[INFO] fetching crate cargo-profiler 0.1.6...
[INFO] checking cargo-profiler-0.1.6 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-profiler 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cargo-profiler 0.1.6 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-profiler 0.1.6
[INFO] finished tweaking crates.io crate cargo-profiler 0.1.6
[INFO] tweaked toml for crates.io crate cargo-profiler 0.1.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages
[INFO] [stderr]       Adding aho-corasick v0.5.3 (latest: v1.1.3)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
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[INFO] [stderr]       Adding matrixmultiply v0.1.15 (latest: v0.3.8)
[INFO] [stderr]       Adding memchr v0.1.11 (latest: v2.7.2)
[INFO] [stderr]       Adding ndarray v0.5.2 (latest: v0.15.6)
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[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
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[INFO] [stderr]       Adding regex v0.1.80 (latest: v1.10.4)
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[INFO] [stderr]       Adding rustc_version v0.1.7 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.1.20 (latest: v1.0.22)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
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[INFO] [stderr]       Adding thread_local v0.2.7 (latest: v1.1.8)
[INFO] [stderr]       Adding utf8-ranges v0.1.3 (latest: v1.0.5)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.bin
[INFO] [stderr] warning: unused manifest key: lib.lib
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded ndarray v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eafc99bf46da38943496e7a5dbe42d0c35bb225e1ad0ab339486b0dce1cba36
[INFO] running `Command { std: "docker" "start" "-a" "8eafc99bf46da38943496e7a5dbe42d0c35bb225e1ad0ab339486b0dce1cba36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eafc99bf46da38943496e7a5dbe42d0c35bb225e1ad0ab339486b0dce1cba36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eafc99bf46da38943496e7a5dbe42d0c35bb225e1ad0ab339486b0dce1cba36", kill_on_drop: false }`
[INFO] [stdout] 8eafc99bf46da38943496e7a5dbe42d0c35bb225e1ad0ab339486b0dce1cba36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 737584bbd798ed02587d590e22b17da21406ccd7c24c8a03a4f4b4b884cf51cb
[INFO] running `Command { std: "docker" "start" "-a" "737584bbd798ed02587d590e22b17da21406ccd7c24c8a03a4f4b4b884cf51cb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.bin
[INFO] [stderr] warning: unused manifest key: lib.lib
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling ndarray v0.5.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking cargo-profiler v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/display.rs:56:89
[INFO] [stdout]    |
[INFO] [stdout] 56 |                           \n\x1b[32mTotal LL D-Cache Misses\x1b[0m...{} ({}%)\t\x1b[0m\n\n\
[INFO] [stdout]    |  _________________________________________________________________________________________^
[INFO] [stdout] 57 | |
[INFO] [stdout] 58 | |                     ",
[INFO] [stdout]    | |____________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/display.rs:56:89
[INFO] [stdout]    |
[INFO] [stdout] 56 |                           \n\x1b[32mTotal LL D-Cache Misses\x1b[0m...{} ({}%)\t\x1b[0m\n\n\
[INFO] [stdout]    |  _________________________________________________________________________________________^
[INFO] [stdout] 57 | |
[INFO] [stdout] 58 | |                     ",
[INFO] [stdout]    | |____________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/display.rs:60:42
[INFO] [stdout]    |
[INFO] [stdout] 60 |                        fmt_thousands_sep((ir + dr + dw), ','),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -                        fmt_thousands_sep((ir + dr + dw), ','),
[INFO] [stdout] 60 +                        fmt_thousands_sep(ir + dr + dw, ','),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cargo.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let package_name = try!(get_package_name());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/display.rs:60:42
[INFO] [stdout]    |
[INFO] [stdout] 60 |                        fmt_thousands_sep((ir + dr + dw), ','),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -                        fmt_thousands_sep((ir + dr + dw), ','),
[INFO] [stdout] 60 +                        fmt_thousands_sep(ir + dr + dw, ','),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cargo.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let package_name = try!(get_package_name());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/err.rs:136:32
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/err.rs:136:32
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/err.rs:129:48
[INFO] [stdout]     |
[INFO] [stdout] 129 |             ProfError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/err.rs:129:48
[INFO] [stdout]     |
[INFO] [stdout] 129 |             ProfError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/parse/callgrind.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             func.drain(idx..).collect::<String>();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let _ = func.drain(idx..).collect::<String>();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/parse/cachegrind.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             func.drain(idx..).collect::<String>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = func.drain(idx..).collect::<String>();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/parse/callgrind.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             func.drain(idx..).collect::<String>();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let _ = func.drain(idx..).collect::<String>();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/parse/cachegrind.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             func.drain(idx..).collect::<String>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = func.drain(idx..).collect::<String>();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/display.rs:56:89
[INFO] [stdout]    |
[INFO] [stdout] 56 |                           \n\x1b[32mTotal LL D-Cache Misses\x1b[0m...{} ({}%)\t\x1b[0m\n\n\
[INFO] [stdout]    |  _________________________________________________________________________________________^
[INFO] [stdout] 57 | |
[INFO] [stdout] 58 | |                     ",
[INFO] [stdout]    | |____________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/display.rs:56:89
[INFO] [stdout]    |
[INFO] [stdout] 56 |                           \n\x1b[32mTotal LL D-Cache Misses\x1b[0m...{} ({}%)\t\x1b[0m\n\n\
[INFO] [stdout]    |  _________________________________________________________________________________________^
[INFO] [stdout] 57 | |
[INFO] [stdout] 58 | |                     ",
[INFO] [stdout]    | |____________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/display.rs:60:42
[INFO] [stdout]    |
[INFO] [stdout] 60 |                        fmt_thousands_sep((ir + dr + dw), ','),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -                        fmt_thousands_sep((ir + dr + dw), ','),
[INFO] [stdout] 60 +                        fmt_thousands_sep(ir + dr + dw, ','),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cargo.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let package_name = try!(get_package_name());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     try!(Command::new("rm")
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     try!(Command::new("rm")
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:147:39
[INFO] [stdout]     |
[INFO] [stdout] 147 |         Profiler::CallGrind { .. } => try!(profiler.callgrind_cli(&binary, &binargs)),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:148:40
[INFO] [stdout]     |
[INFO] [stdout] 148 |         Profiler::CacheGrind { .. } => try!(profiler.cachegrind_cli(&binary, &binargs)),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/display.rs:60:42
[INFO] [stdout]    |
[INFO] [stdout] 60 |                        fmt_thousands_sep((ir + dr + dw), ','),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -                        fmt_thousands_sep((ir + dr + dw), ','),
[INFO] [stdout] 60 +                        fmt_thousands_sep(ir + dr + dw, ','),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cargo.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let package_name = try!(get_package_name());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     try!(Command::new("rm")
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     try!(Command::new("rm")
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:147:39
[INFO] [stdout]     |
[INFO] [stdout] 147 |         Profiler::CallGrind { .. } => try!(profiler.callgrind_cli(&binary, &binargs)),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:148:40
[INFO] [stdout]     |
[INFO] [stdout] 148 |         Profiler::CacheGrind { .. } => try!(profiler.cachegrind_cli(&binary, &binargs)),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/cachegrind.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         lazy_static! {
[INFO] [stdout] 90 | |            static ref CACHEGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 91 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 92 | |            static ref ERROR_REGEX : Regex = Regex::new(r"Valgrind's memory management: out of memory").unwrap();
[INFO] [stdout] 93 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse/callgrind.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         lazy_static! {
[INFO] [stdout] 49 | |            static ref CALLGRIND_REGEX : Regex = Regex::new(r"\d+\s*[a-zA-Z]*$*_*:*/+\.*@*-*|\d+\s*[a-zA-Z]*$*_*\?+:*/*\.*-*@*-*").unwrap();
[INFO] [stdout] 50 | |            static ref COMPILER_TRASH: Regex = Regex::new(r"\$\w{2}\$|\$\w{3}\$").unwrap();
[INFO] [stdout] 51 | |            static ref ERROR_REGEX : Regex = Regex::new(r"out of memory").unwrap();
[INFO] [stdout] 52 | |
[INFO] [stdout] 53 | |        }
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/err.rs:136:32
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/err.rs:136:32
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/err.rs:129:48
[INFO] [stdout]     |
[INFO] [stdout] 129 |             ProfError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/err.rs:129:48
[INFO] [stdout]     |
[INFO] [stdout] 129 |             ProfError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/parse/cachegrind.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             func.drain(idx..).collect::<String>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = func.drain(idx..).collect::<String>();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/parse/callgrind.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             func.drain(idx..).collect::<String>();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let _ = func.drain(idx..).collect::<String>();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/parse/cachegrind.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             func.drain(idx..).collect::<String>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = func.drain(idx..).collect::<String>();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/parse/callgrind.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             func.drain(idx..).collect::<String>();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let _ = func.drain(idx..).collect::<String>();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "737584bbd798ed02587d590e22b17da21406ccd7c24c8a03a4f4b4b884cf51cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737584bbd798ed02587d590e22b17da21406ccd7c24c8a03a4f4b4b884cf51cb", kill_on_drop: false }`
[INFO] [stdout] 737584bbd798ed02587d590e22b17da21406ccd7c24c8a03a4f4b4b884cf51cb
[INFO] checking cargo-profiler-0.1.6 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cargo-profiler 0.1.6 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cargo-profiler 0.1.6 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-profiler 0.1.6
[INFO] finished tweaking crates.io crate cargo-profiler 0.1.6
[INFO] tweaked toml for crates.io crate cargo-profiler 0.1.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.bin
[INFO] [stderr] warning: unused manifest key: lib.lib
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d70315fbd292df472508900a913dcb3773f2552dc2020917b5f2b7fd710aeb4e
[INFO] running `Command { std: "docker" "start" "-a" "d70315fbd292df472508900a913dcb3773f2552dc2020917b5f2b7fd710aeb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d70315fbd292df472508900a913dcb3773f2552dc2020917b5f2b7fd710aeb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70315fbd292df472508900a913dcb3773f2552dc2020917b5f2b7fd710aeb4e", kill_on_drop: false }`
[INFO] [stdout] d70315fbd292df472508900a913dcb3773f2552dc2020917b5f2b7fd710aeb4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f7a5ae3210fcb4e15a72a3111a95bd321c54458f37289a70014fb7596f593c5
[INFO] running `Command { std: "docker" "start" "-a" "3f7a5ae3210fcb4e15a72a3111a95bd321c54458f37289a70014fb7596f593c5", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.bin
[INFO] [stderr] warning: unused manifest key: lib.lib
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling ndarray v0.5.2
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.80/src/exec.rs:726:13
[INFO] [stdout]     |
[INFO] [stdout] 726 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 727 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 728 | |                 &self.cache,
[INFO] [stdout] 729 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 736 | |                 Quit => return Some(Quit),
[INFO] [stdout] 737 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20
[INFO] [stdout]      |
[INFO] [stdout] 1387 |             _ => { panic!(); }
[INFO] [stdout]      |                    ^^^^^^^^ cannot infer type
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3f7a5ae3210fcb4e15a72a3111a95bd321c54458f37289a70014fb7596f593c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7a5ae3210fcb4e15a72a3111a95bd321c54458f37289a70014fb7596f593c5", kill_on_drop: false }`
[INFO] [stdout] 3f7a5ae3210fcb4e15a72a3111a95bd321c54458f37289a70014fb7596f593c5