[INFO] fetching crate tokio-socketcan 0.3.1...
[INFO] checking tokio-socketcan-0.3.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate tokio-socketcan 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tokio-socketcan 0.3.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-socketcan 0.3.1
[INFO] finished tweaking crates.io crate tokio-socketcan 0.3.1
[INFO] tweaked toml for crates.io crate tokio-socketcan 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio-socketcan 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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 mio v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ff2fcac3864d880ba08445aa0307509f054e4f8225acfad5db487ad4641b22f
[INFO] running `Command { std: "docker" "start" "-a" "5ff2fcac3864d880ba08445aa0307509f054e4f8225acfad5db487ad4641b22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ff2fcac3864d880ba08445aa0307509f054e4f8225acfad5db487ad4641b22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff2fcac3864d880ba08445aa0307509f054e4f8225acfad5db487ad4641b22f", kill_on_drop: false }`
[INFO] [stdout] 5ff2fcac3864d880ba08445aa0307509f054e4f8225acfad5db487ad4641b22f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cd2f991492a7fc358d1141017f3e6a0a90669758dcd992d66c8675d80a7411f
[INFO] running `Command { std: "docker" "start" "-a" "9cd2f991492a7fc358d1141017f3e6a0a90669758dcd992d66c8675d80a7411f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-socketcan v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9cd2f991492a7fc358d1141017f3e6a0a90669758dcd992d66c8675d80a7411f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd2f991492a7fc358d1141017f3e6a0a90669758dcd992d66c8675d80a7411f", kill_on_drop: false }`
[INFO] [stdout] 9cd2f991492a7fc358d1141017f3e6a0a90669758dcd992d66c8675d80a7411f