[INFO] crate crucible 0.0.0 is already in cache
[INFO] testing crucible-0.0.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate crucible 0.0.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate crucible 0.0.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate crucible 0.0.0
[INFO] finished tweaking crates.io crate crucible 0.0.0
[INFO] tweaked toml for crates.io crate crucible 0.0.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5bf20cd62524ecac554eee746e5586893762fb9a37343ef5079f56bb8dc0a3b0
[INFO] running `"docker" "start" "-a" "5bf20cd62524ecac554eee746e5586893762fb9a37343ef5079f56bb8dc0a3b0"`
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling histogram v0.6.9
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling hsl v0.1.1
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling mpmc v0.1.5
[INFO] [stderr]    Compiling allan v0.2.4
[INFO] [stderr]    Compiling clocksource v0.2.4
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling heatmap v0.6.6
[INFO] [stderr]    Compiling stb_truetype v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling rusttype v0.1.2
[INFO] [stderr]    Compiling tiny_http v0.5.9
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling waterfall v0.7.1
[INFO] [stderr]    Compiling tic v0.2.4
[INFO] [stderr]    Compiling crucible v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/metrics.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.44s
[INFO] running `"docker" "inspect" "5bf20cd62524ecac554eee746e5586893762fb9a37343ef5079f56bb8dc0a3b0"`
[INFO] running `"docker" "rm" "-f" "5bf20cd62524ecac554eee746e5586893762fb9a37343ef5079f56bb8dc0a3b0"`
[INFO] [stdout] 5bf20cd62524ecac554eee746e5586893762fb9a37343ef5079f56bb8dc0a3b0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] c39b1a7654ef2cc3002843d1a0dfbce4c8c1eef905da326028ae787bcda8eb7e
[INFO] running `"docker" "start" "-a" "c39b1a7654ef2cc3002843d1a0dfbce4c8c1eef905da326028ae787bcda8eb7e"`
[INFO] [stderr]    Compiling crucible v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/metrics.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c39b1a7654ef2cc3002843d1a0dfbce4c8c1eef905da326028ae787bcda8eb7e"`
[INFO] running `"docker" "rm" "-f" "c39b1a7654ef2cc3002843d1a0dfbce4c8c1eef905da326028ae787bcda8eb7e"`
[INFO] [stdout] c39b1a7654ef2cc3002843d1a0dfbce4c8c1eef905da326028ae787bcda8eb7e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 9c34455badb67763ec1f20d4d9d127923740193ef754a6f7fe72f3b1f88d2cb8
[INFO] running `"docker" "start" "-a" "9c34455badb67763ec1f20d4d9d127923740193ef754a6f7fe72f3b1f88d2cb8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crucible-eb280cca5d57347b
[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" "9c34455badb67763ec1f20d4d9d127923740193ef754a6f7fe72f3b1f88d2cb8"`
[INFO] running `"docker" "rm" "-f" "9c34455badb67763ec1f20d4d9d127923740193ef754a6f7fe72f3b1f88d2cb8"`
[INFO] [stdout] 9c34455badb67763ec1f20d4d9d127923740193ef754a6f7fe72f3b1f88d2cb8