[INFO] fetching crate cargo-profiler 0.1.6...
[INFO] checking cargo-profiler-0.1.6 against beta for pr-78714
[INFO] extracting crate cargo-profiler 0.1.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cargo-profiler 0.1.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84fc89989bbee6b715d032170d9743ffbe4d0123694c27d084f8f0521237f72c
[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" "84fc89989bbee6b715d032170d9743ffbe4d0123694c27d084f8f0521237f72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84fc89989bbee6b715d032170d9743ffbe4d0123694c27d084f8f0521237f72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84fc89989bbee6b715d032170d9743ffbe4d0123694c27d084f8f0521237f72c", kill_on_drop: false }`
[INFO] [stdout] 84fc89989bbee6b715d032170d9743ffbe4d0123694c27d084f8f0521237f72c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 347acb85e104f344841b672b2d30dfc7aee3246223e5199c24b9d3594be02a74
[INFO] running `Command { std: "docker" "start" "-a" "347acb85e104f344841b672b2d30dfc7aee3246223e5199c24b9d3594be02a74", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.bin
[INFO] [stderr] warning: unused manifest key: lib.lib
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling ndarray v0.5.2
[INFO] [stderr]     Checking cargo-profiler v0.1.6 (/opt/rustwide/workdir)
[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]    |                                          ^^^^^^^^^^^^^^ 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 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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    |                                          ^^^^^^^^^^^^^^ 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 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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 associated function `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: `#[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 `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 `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 `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 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: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 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: 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 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: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 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: 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 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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 associated function `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: `#[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 `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 `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 `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 9.02s
[INFO] running `Command { std: "docker" "inspect" "347acb85e104f344841b672b2d30dfc7aee3246223e5199c24b9d3594be02a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347acb85e104f344841b672b2d30dfc7aee3246223e5199c24b9d3594be02a74", kill_on_drop: false }`
[INFO] [stdout] 347acb85e104f344841b672b2d30dfc7aee3246223e5199c24b9d3594be02a74