[INFO] fetching crate ws2can 0.1.0...
[INFO] checking ws2can-0.1.0 against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] extracting crate ws2can 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ws2can 0.1.0
[INFO] finished tweaking crates.io crate ws2can 0.1.0
[INFO] tweaked toml for crates.io crate ws2can 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws2can 0.1.0 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 ws2can 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6442b45e96461c75697b6b8b42b51cb800eee661e29a98d53321ae8a812879a3
[INFO] running `Command { std: "docker" "start" "-a" "6442b45e96461c75697b6b8b42b51cb800eee661e29a98d53321ae8a812879a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6442b45e96461c75697b6b8b42b51cb800eee661e29a98d53321ae8a812879a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6442b45e96461c75697b6b8b42b51cb800eee661e29a98d53321ae8a812879a3", kill_on_drop: false }`
[INFO] [stdout] 6442b45e96461c75697b6b8b42b51cb800eee661e29a98d53321ae8a812879a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b11f6544072b40604cfabb24e69100a5d6837f77d75f97c29b704bb526b42ad3
[INFO] running `Command { std: "docker" "start" "-a" "b11f6544072b40604cfabb24e69100a5d6837f77d75f97c29b704bb526b42ad3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking once_cell v1.7.2
[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 url v2.2.1
[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" "b11f6544072b40604cfabb24e69100a5d6837f77d75f97c29b704bb526b42ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11f6544072b40604cfabb24e69100a5d6837f77d75f97c29b704bb526b42ad3", kill_on_drop: false }`
[INFO] [stdout] b11f6544072b40604cfabb24e69100a5d6837f77d75f97c29b704bb526b42ad3
