[INFO] fetching crate tokio-socketcan 0.3.1...
[INFO] checking tokio-socketcan-0.3.1 against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] extracting crate tokio-socketcan 0.3.1 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-socketcan 0.3.1 on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 536edf700a232fb73579c9c94c11dd86352fe69150a8bf67a667f710918ef2ee
[INFO] running `Command { std: "docker" "start" "-a" "536edf700a232fb73579c9c94c11dd86352fe69150a8bf67a667f710918ef2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536edf700a232fb73579c9c94c11dd86352fe69150a8bf67a667f710918ef2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536edf700a232fb73579c9c94c11dd86352fe69150a8bf67a667f710918ef2ee", kill_on_drop: false }`
[INFO] [stdout] 536edf700a232fb73579c9c94c11dd86352fe69150a8bf67a667f710918ef2ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9a35f6136c8c7b7596975e0e4a1aaa29d28f74a7e77f3aeb23bc92a27ef435d
[INFO] running `Command { std: "docker" "start" "-a" "b9a35f6136c8c7b7596975e0e4a1aaa29d28f74a7e77f3aeb23bc92a27ef435d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[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 try_from v0.2.2
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stdout] error[E0365]: `std` is only public within the crate, and cannot be re-exported outside
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitflags-0.4.0/src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub use std as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ re-export of crate public `std`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider declaring type or module `std` with `pub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0365`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitflags` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b9a35f6136c8c7b7596975e0e4a1aaa29d28f74a7e77f3aeb23bc92a27ef435d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a35f6136c8c7b7596975e0e4a1aaa29d28f74a7e77f3aeb23bc92a27ef435d", kill_on_drop: false }`
[INFO] [stdout] b9a35f6136c8c7b7596975e0e4a1aaa29d28f74a7e77f3aeb23bc92a27ef435d
