[INFO] fetching crate instrument 0.2.0...
[INFO] testing instrument-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate instrument 0.2.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate instrument 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate instrument 0.2.0
[INFO] finished tweaking crates.io crate instrument 0.2.0
[INFO] tweaked toml for crates.io crate instrument 0.2.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ac4b4c74139e34034d8affb2e2ccfd6e4b15e8e50de14ce4e47d59be59b9a0
[INFO] running `Command { std: "docker" "start" "-a" "83ac4b4c74139e34034d8affb2e2ccfd6e4b15e8e50de14ce4e47d59be59b9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ac4b4c74139e34034d8affb2e2ccfd6e4b15e8e50de14ce4e47d59be59b9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ac4b4c74139e34034d8affb2e2ccfd6e4b15e8e50de14ce4e47d59be59b9a0", kill_on_drop: false }`
[INFO] [stdout] 83ac4b4c74139e34034d8affb2e2ccfd6e4b15e8e50de14ce4e47d59be59b9a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4092d399946a9bf3f9970ec893afe938e81f9379d25c94df22df8b000fe46c5f
[INFO] running `Command { std: "docker" "start" "-a" "4092d399946a9bf3f9970ec893afe938e81f9379d25c94df22df8b000fe46c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling time_calc v0.11.1
[INFO] [stderr]    Compiling pitch_calc v0.11.1
[INFO] [stderr]    Compiling instrument v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "4092d399946a9bf3f9970ec893afe938e81f9379d25c94df22df8b000fe46c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4092d399946a9bf3f9970ec893afe938e81f9379d25c94df22df8b000fe46c5f", kill_on_drop: false }`
[INFO] [stdout] 4092d399946a9bf3f9970ec893afe938e81f9379d25c94df22df8b000fe46c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 411bbc8e159c67c0c8951609ded5c9408625ca603e48ea16ffdf830f80e96ef5
[INFO] running `Command { std: "docker" "start" "-a" "411bbc8e159c67c0c8951609ded5c9408625ca603e48ea16ffdf830f80e96ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling instrument v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "411bbc8e159c67c0c8951609ded5c9408625ca603e48ea16ffdf830f80e96ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411bbc8e159c67c0c8951609ded5c9408625ca603e48ea16ffdf830f80e96ef5", kill_on_drop: false }`
[INFO] [stdout] 411bbc8e159c67c0c8951609ded5c9408625ca603e48ea16ffdf830f80e96ef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b629f2f4ecd1c4686b83e85c0a23bda3c51e713de949bdbfcf9b1bb59301fceb
[INFO] running `Command { std: "docker" "start" "-a" "b629f2f4ecd1c4686b83e85c0a23bda3c51e713de949bdbfcf9b1bb59301fceb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/instrument-3bfa09e44b878ff8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests instrument
[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] [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" "b629f2f4ecd1c4686b83e85c0a23bda3c51e713de949bdbfcf9b1bb59301fceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b629f2f4ecd1c4686b83e85c0a23bda3c51e713de949bdbfcf9b1bb59301fceb", kill_on_drop: false }`
[INFO] [stdout] b629f2f4ecd1c4686b83e85c0a23bda3c51e713de949bdbfcf9b1bb59301fceb