[INFO] fetching crate pitch_calc 0.12.0...
[INFO] checking pitch_calc-0.12.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate pitch_calc 0.12.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pitch_calc 0.12.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pitch_calc 0.12.0
[INFO] finished tweaking crates.io crate pitch_calc 0.12.0
[INFO] tweaked toml for crates.io crate pitch_calc 0.12.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate pitch_calc 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.1.36
[INFO] [stderr]   Downloaded num-complex v0.1.37
[INFO] [stderr]   Downloaded libc v0.2.22
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cf7da7d453623807bc57f115d6690ff7e2cff62e5d3f118cc13192247ac4299
[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" "2cf7da7d453623807bc57f115d6690ff7e2cff62e5d3f118cc13192247ac4299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cf7da7d453623807bc57f115d6690ff7e2cff62e5d3f118cc13192247ac4299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf7da7d453623807bc57f115d6690ff7e2cff62e5d3f118cc13192247ac4299", kill_on_drop: false }`
[INFO] [stdout] 2cf7da7d453623807bc57f115d6690ff7e2cff62e5d3f118cc13192247ac4299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71fde8e302abf25b4ea8a0688ff9bee961adc5ae3a16e4e04040c3476296cf5
[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" "f71fde8e302abf25b4ea8a0688ff9bee961adc5ae3a16e4e04040c3476296cf5", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking pitch_calc v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.76s
[INFO] running `Command { std: "docker" "inspect" "f71fde8e302abf25b4ea8a0688ff9bee961adc5ae3a16e4e04040c3476296cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71fde8e302abf25b4ea8a0688ff9bee961adc5ae3a16e4e04040c3476296cf5", kill_on_drop: false }`
[INFO] [stdout] f71fde8e302abf25b4ea8a0688ff9bee961adc5ae3a16e4e04040c3476296cf5