[INFO] fetching crate crucible 0.0.0...
[INFO] testing crucible-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate crucible 0.0.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate crucible 0.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded mpmc v0.1.6
[INFO] [stderr]   Downloaded allan v0.2.4
[INFO] [stderr]   Downloaded tiny_http v0.5.9
[INFO] [stderr]   Downloaded tic v0.2.4
[INFO] [stderr]   Downloaded waterfall v0.7.1
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded histogram v0.6.9
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded png v0.7.0
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded hsl v0.1.1
[INFO] [stderr]   Downloaded stb_truetype v0.1.2
[INFO] [stderr]   Downloaded heatmap v0.6.6
[INFO] [stderr]   Downloaded clocksource v0.2.4
[INFO] [stderr]   Downloaded rusttype v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad7e74ef7dad3fb43485261e8b7d9d2e272176084c8985b04533c77c5a0e05b9
[INFO] running `Command { std: "docker" "start" "-a" "ad7e74ef7dad3fb43485261e8b7d9d2e272176084c8985b04533c77c5a0e05b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7e74ef7dad3fb43485261e8b7d9d2e272176084c8985b04533c77c5a0e05b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7e74ef7dad3fb43485261e8b7d9d2e272176084c8985b04533c77c5a0e05b9", kill_on_drop: false }`
[INFO] [stdout] ad7e74ef7dad3fb43485261e8b7d9d2e272176084c8985b04533c77c5a0e05b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 551e34044fd52b71e3851f73589b6679ecea43351d6769eadde7eb301a7ce38d
[INFO] running `Command { std: "docker" "start" "-a" "551e34044fd52b71e3851f73589b6679ecea43351d6769eadde7eb301a7ce38d", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling histogram v0.6.9
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling hsl v0.1.1
[INFO] [stderr]    Compiling allan v0.2.4
[INFO] [stderr]    Compiling mpmc v0.1.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling clocksource v0.2.4
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling stb_truetype v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling heatmap v0.6.6
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rusttype v0.1.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling waterfall v0.7.1
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling url v0.2.38
[INFO] [stderr]    Compiling tiny_http v0.5.9
[INFO] [stderr]    Compiling tic v0.2.4
[INFO] [stderr]    Compiling crucible v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/metrics.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.85s
[INFO] running `Command { std: "docker" "inspect" "551e34044fd52b71e3851f73589b6679ecea43351d6769eadde7eb301a7ce38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551e34044fd52b71e3851f73589b6679ecea43351d6769eadde7eb301a7ce38d", kill_on_drop: false }`
[INFO] [stdout] 551e34044fd52b71e3851f73589b6679ecea43351d6769eadde7eb301a7ce38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c760ddd89dd36922c57065b59f441df896b44cfd1a3016cb3c2ab70d92c69d4f
[INFO] running `Command { std: "docker" "start" "-a" "c760ddd89dd36922c57065b59f441df896b44cfd1a3016cb3c2ab70d92c69d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crucible v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/metrics.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "c760ddd89dd36922c57065b59f441df896b44cfd1a3016cb3c2ab70d92c69d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c760ddd89dd36922c57065b59f441df896b44cfd1a3016cb3c2ab70d92c69d4f", kill_on_drop: false }`
[INFO] [stdout] c760ddd89dd36922c57065b59f441df896b44cfd1a3016cb3c2ab70d92c69d4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 477994bbe38890e73b75d9c567c6a3ed2c33df2fa02496029f67cd5ed272c505
[INFO] running `Command { std: "docker" "start" "-a" "477994bbe38890e73b75d9c567c6a3ed2c33df2fa02496029f67cd5ed272c505", kill_on_drop: false }`
[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: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crucible` (bin "crucible" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crucible-0b84829ac997a2de)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "477994bbe38890e73b75d9c567c6a3ed2c33df2fa02496029f67cd5ed272c505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477994bbe38890e73b75d9c567c6a3ed2c33df2fa02496029f67cd5ed272c505", kill_on_drop: false }`
[INFO] [stdout] 477994bbe38890e73b75d9c567c6a3ed2c33df2fa02496029f67cd5ed272c505