[INFO] fetching crate atsamd21e 0.9.0...
[INFO] checking atsamd21e-0.9.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate atsamd21e 0.9.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate atsamd21e 0.9.0 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 atsamd21e 0.9.0
[INFO] finished tweaking crates.io crate atsamd21e 0.9.0
[INFO] tweaked toml for crates.io crate atsamd21e 0.9.0 written to /workspace/builds/worker-15/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 2c040cf9b12868d2ec52f6f9f20113a693e24041dff10725d13c9539ac97eb4e
[INFO] running `Command { std: "docker" "start" "-a" "2c040cf9b12868d2ec52f6f9f20113a693e24041dff10725d13c9539ac97eb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c040cf9b12868d2ec52f6f9f20113a693e24041dff10725d13c9539ac97eb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c040cf9b12868d2ec52f6f9f20113a693e24041dff10725d13c9539ac97eb4e", kill_on_drop: false }`
[INFO] [stdout] 2c040cf9b12868d2ec52f6f9f20113a693e24041dff10725d13c9539ac97eb4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 406d5fd77ae6ad1f57713cd458172f2168271931b117d50c5cff1b4a6c73428b
[INFO] running `Command { std: "docker" "start" "-a" "406d5fd77ae6ad1f57713cd458172f2168271931b117d50c5cff1b4a6c73428b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atsamd21e v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "406d5fd77ae6ad1f57713cd458172f2168271931b117d50c5cff1b4a6c73428b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406d5fd77ae6ad1f57713cd458172f2168271931b117d50c5cff1b4a6c73428b", kill_on_drop: false }`
[INFO] [stdout] 406d5fd77ae6ad1f57713cd458172f2168271931b117d50c5cff1b4a6c73428b