[INFO] crate cargo-profiler 0.1.6 is already in cache
[INFO] checking cargo-profiler-0.1.6 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate cargo-profiler 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-profiler 0.1.6 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bf4cd851755f2bb34402ccaff230eadd821bf15d5f1045e0e14ce86580f772b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1bf4cd851755f2bb34402ccaff230eadd821bf15d5f1045e0e14ce86580f772b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf4cd851755f2bb34402ccaff230eadd821bf15d5f1045e0e14ce86580f772b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf4cd851755f2bb34402ccaff230eadd821bf15d5f1045e0e14ce86580f772b", kill_on_drop: false }`
[INFO] [stdout] 1bf4cd851755f2bb34402ccaff230eadd821bf15d5f1045e0e14ce86580f772b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd01f70e7b896a193db54376509efecb1823a4d1ddb4581c999d3078adfecf13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd01f70e7b896a193db54376509efecb1823a4d1ddb4581c999d3078adfecf13", 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 autocfg v1.0.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[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 ansi_term v0.11.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling ndarray v0.5.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking cargo-profiler v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 `std::iter::Iterator::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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: 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]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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: 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]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 `std::iter::Iterator::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `Command { std: "docker" "inspect" "bd01f70e7b896a193db54376509efecb1823a4d1ddb4581c999d3078adfecf13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd01f70e7b896a193db54376509efecb1823a4d1ddb4581c999d3078adfecf13", kill_on_drop: false }`
[INFO] [stdout] bd01f70e7b896a193db54376509efecb1823a4d1ddb4581c999d3078adfecf13