[INFO] fetching crate magnum 1.0.0...
[INFO] checking magnum-1.0.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate magnum 1.0.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate magnum 1.0.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magnum 1.0.0
[INFO] finished tweaking crates.io crate magnum 1.0.0
[INFO] tweaked toml for crates.io crate magnum 1.0.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded minimp3 v0.5.1
[INFO] [stderr]   Downloaded ogg v0.8.0
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded oboe v0.4.2
[INFO] [stderr]   Downloaded stdweb v0.1.3
[INFO] [stderr]   Downloaded cpal v0.13.4
[INFO] [stderr]   Downloaded ringbuf v0.2.6
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.8
[INFO] [stderr]   Downloaded jni v0.18.0
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded basedrop v0.1.2
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded caf v0.1.0
[INFO] [stderr]   Downloaded alsa v0.5.0
[INFO] [stderr]   Downloaded audiopus v0.2.0
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded oboe-sys v0.4.2
[INFO] [stderr]   Downloaded coreaudio-rs v0.10.0
[INFO] [stderr]   Downloaded kira v0.5.3
[INFO] [stderr]   Downloaded clang-sys v1.2.0
[INFO] [stderr]   Downloaded bitreader v0.3.4
[INFO] [stderr]   Downloaded bindgen v0.56.0
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded audiopus_sys v0.1.8
[INFO] [stderr]   Downloaded nix v0.20.1
[INFO] [stderr]   Downloaded lewton v0.10.2
[INFO] [stderr]   Downloaded rodio v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f5839ef71a29d97b1ab3bdc6b0ad69d59b065313f20e097c38e5562c5f7d798
[INFO] running `Command { std: "docker" "start" "-a" "6f5839ef71a29d97b1ab3bdc6b0ad69d59b065313f20e097c38e5562c5f7d798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5839ef71a29d97b1ab3bdc6b0ad69d59b065313f20e097c38e5562c5f7d798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5839ef71a29d97b1ab3bdc6b0ad69d59b065313f20e097c38e5562c5f7d798", kill_on_drop: false }`
[INFO] [stdout] 6f5839ef71a29d97b1ab3bdc6b0ad69d59b065313f20e097c38e5562c5f7d798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b96bb8c0b433b5f5f33d393a52105a8f336d83b564558d38447ed1d341eda28
[INFO] running `Command { std: "docker" "start" "-a" "8b96bb8c0b433b5f5f33d393a52105a8f336d83b564558d38447ed1d341eda28", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitreader v0.3.4
[INFO] [stderr]     Checking caf v0.1.0
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling audiopus_sys v0.1.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking audiopus v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking magnum v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `Command { std: "docker" "inspect" "8b96bb8c0b433b5f5f33d393a52105a8f336d83b564558d38447ed1d341eda28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b96bb8c0b433b5f5f33d393a52105a8f336d83b564558d38447ed1d341eda28", kill_on_drop: false }`
[INFO] [stdout] 8b96bb8c0b433b5f5f33d393a52105a8f336d83b564558d38447ed1d341eda28