[INFO] fetching crate can 0.2.1-alpha.4...
[INFO] checking can-0.2.1-alpha.4 against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656
[INFO] extracting crate can 0.2.1-alpha.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate can 0.2.1-alpha.4 on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate can 0.2.1-alpha.4
[INFO] finished tweaking crates.io crate can 0.2.1-alpha.4
[INFO] tweaked toml for crates.io crate can 0.2.1-alpha.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (latest: v0.6.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (latest: v0.7.0)
[INFO] [stderr]       Adding bitflags v0.4.0 (latest: v2.6.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding embedded-can v0.3.0 (latest: v0.4.1)
[INFO] [stderr]       Adding hex v0.2.0 (latest: v0.4.3)
[INFO] [stderr]       Adding itertools v0.4.19 (latest: v0.13.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding nix v0.5.1 (latest: v0.29.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding socketcan v1.7.0 (latest: v3.3.0)
[INFO] [stderr]       Adding try_from v0.2.2 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded socketcan v1.7.0
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded embedded-can v0.3.0
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db3724fa7a758d2e8303dd25150559648fd6a358efbdd0a2c7b4f6e3ecb6c142
[INFO] running `Command { std: "docker" "start" "-a" "db3724fa7a758d2e8303dd25150559648fd6a358efbdd0a2c7b4f6e3ecb6c142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db3724fa7a758d2e8303dd25150559648fd6a358efbdd0a2c7b4f6e3ecb6c142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3724fa7a758d2e8303dd25150559648fd6a358efbdd0a2c7b4f6e3ecb6c142", kill_on_drop: false }`
[INFO] [stdout] db3724fa7a758d2e8303dd25150559648fd6a358efbdd0a2c7b4f6e3ecb6c142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1e09fda2b043da14ac17ef8fe35ba1d8cea9128492447401c8911036b1988e
[INFO] running `Command { std: "docker" "start" "-a" "ff1e09fda2b043da14ac17ef8fe35ba1d8cea9128492447401c8911036b1988e", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking embedded-can v0.3.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]     Checking can v0.2.1-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "ff1e09fda2b043da14ac17ef8fe35ba1d8cea9128492447401c8911036b1988e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1e09fda2b043da14ac17ef8fe35ba1d8cea9128492447401c8911036b1988e", kill_on_drop: false }`
[INFO] [stdout] ff1e09fda2b043da14ac17ef8fe35ba1d8cea9128492447401c8911036b1988e
[INFO] checking can-0.2.1-alpha.4 against try#0c9c19b42881b7ee3d3f268d2369726c7f8dddfd for pr-127656
[INFO] extracting crate can 0.2.1-alpha.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate can 0.2.1-alpha.4 on toolchain 0c9c19b42881b7ee3d3f268d2369726c7f8dddfd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate can 0.2.1-alpha.4
[INFO] finished tweaking crates.io crate can 0.2.1-alpha.4
[INFO] tweaked toml for crates.io crate can 0.2.1-alpha.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (latest: v0.6.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (latest: v0.7.0)
[INFO] [stderr]       Adding bitflags v0.4.0 (latest: v2.6.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding embedded-can v0.3.0 (latest: v0.4.1)
[INFO] [stderr]       Adding hex v0.2.0 (latest: v0.4.3)
[INFO] [stderr]       Adding itertools v0.4.19 (latest: v0.13.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding nix v0.5.1 (latest: v0.29.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding socketcan v1.7.0 (latest: v3.3.0)
[INFO] [stderr]       Adding try_from v0.2.2 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45e83e538c5c19df7c4baa4dc636b668d0c9608efc18a885f8238e5cd8f81af9
[INFO] running `Command { std: "docker" "start" "-a" "45e83e538c5c19df7c4baa4dc636b668d0c9608efc18a885f8238e5cd8f81af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45e83e538c5c19df7c4baa4dc636b668d0c9608efc18a885f8238e5cd8f81af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e83e538c5c19df7c4baa4dc636b668d0c9608efc18a885f8238e5cd8f81af9", kill_on_drop: false }`
[INFO] [stdout] 45e83e538c5c19df7c4baa4dc636b668d0c9608efc18a885f8238e5cd8f81af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d31a87301af6dfaf02a22b8117b9da4dd295fc76ebceaf79711104d172d924cd
[INFO] running `Command { std: "docker" "start" "-a" "d31a87301af6dfaf02a22b8117b9da4dd295fc76ebceaf79711104d172d924cd", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking embedded-can v0.3.0
[INFO] [stdout] error[E0365]: extern crate `std` is private and cannot be re-exported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bitflags-0.4.0/src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub use std as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider making the `extern crate` item publicly accessible
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0365`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitflags` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d31a87301af6dfaf02a22b8117b9da4dd295fc76ebceaf79711104d172d924cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31a87301af6dfaf02a22b8117b9da4dd295fc76ebceaf79711104d172d924cd", kill_on_drop: false }`
[INFO] [stdout] d31a87301af6dfaf02a22b8117b9da4dd295fc76ebceaf79711104d172d924cd