[INFO] crate oscillator 0.1.0 is already in cache
[INFO] testing oscillator-0.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate oscillator 0.1.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate oscillator 0.1.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate oscillator 0.1.0
[INFO] finished tweaking crates.io crate oscillator 0.1.0
[INFO] tweaked toml for crates.io crate oscillator 0.1.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] f071efefb2a715cccff5e26ca5037bea1f9ad152dbb332a6683949f3a33c64f2
[INFO] running `"docker" "start" "-a" "f071efefb2a715cccff5e26ca5037bea1f9ad152dbb332a6683949f3a33c64f2"`
[INFO] [stderr]    Compiling stopwatch v0.0.6
[INFO] [stderr]    Compiling oscillator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "f071efefb2a715cccff5e26ca5037bea1f9ad152dbb332a6683949f3a33c64f2"`
[INFO] running `"docker" "rm" "-f" "f071efefb2a715cccff5e26ca5037bea1f9ad152dbb332a6683949f3a33c64f2"`
[INFO] [stdout] f071efefb2a715cccff5e26ca5037bea1f9ad152dbb332a6683949f3a33c64f2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c1a13f8741994b5bce737efb4a5c9732aa8d8aa6925fca4e22a71c8fdfb5dbe4
[INFO] running `"docker" "start" "-a" "c1a13f8741994b5bce737efb4a5c9732aa8d8aa6925fca4e22a71c8fdfb5dbe4"`
[INFO] [stderr]    Compiling oscillator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut timer = Stopwatch::start_new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lib.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut timer = Stopwatch::start_new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "c1a13f8741994b5bce737efb4a5c9732aa8d8aa6925fca4e22a71c8fdfb5dbe4"`
[INFO] running `"docker" "rm" "-f" "c1a13f8741994b5bce737efb4a5c9732aa8d8aa6925fca4e22a71c8fdfb5dbe4"`
[INFO] [stdout] c1a13f8741994b5bce737efb4a5c9732aa8d8aa6925fca4e22a71c8fdfb5dbe4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 4788e577aaba33718a55ce7e267b2b6a60f5a86104c7cfe535adfddca9a17a4c
[INFO] running `"docker" "start" "-a" "4788e577aaba33718a55ce7e267b2b6a60f5a86104c7cfe535adfddca9a17a4c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/oscillator-cfdaaedb75c0bede
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-5065bcc91f80542c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_new ... ok
[INFO] [stdout] test test_null_freq ... ok
[INFO] [stdout] test test_cycle ... ok
[INFO] [stdout] test test_freq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests oscillator
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4788e577aaba33718a55ce7e267b2b6a60f5a86104c7cfe535adfddca9a17a4c"`
[INFO] running `"docker" "rm" "-f" "4788e577aaba33718a55ce7e267b2b6a60f5a86104c7cfe535adfddca9a17a4c"`
[INFO] [stdout] 4788e577aaba33718a55ce7e267b2b6a60f5a86104c7cfe535adfddca9a17a4c