[INFO] fetching crate mvbitfield 0.2.0...
[INFO] checking mvbitfield-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate mvbitfield 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mvbitfield 0.2.0
[INFO] finished tweaking crates.io crate mvbitfield 0.2.0
[INFO] tweaked toml for crates.io crate mvbitfield 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mvbitfield 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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 bitint v0.1.1
[INFO] [stderr]   Downloaded bitint-macros v0.1.1
[INFO] [stderr]   Downloaded mvbitfield-macros v0.2.0
[INFO] [stderr]   Downloaded assume v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90518bc0c6c6e5c87ca8a58ef483974aa1c1fd0474cd183bf728334dc4bca90c
[INFO] running `Command { std: "docker" "start" "-a" "90518bc0c6c6e5c87ca8a58ef483974aa1c1fd0474cd183bf728334dc4bca90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90518bc0c6c6e5c87ca8a58ef483974aa1c1fd0474cd183bf728334dc4bca90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90518bc0c6c6e5c87ca8a58ef483974aa1c1fd0474cd183bf728334dc4bca90c", kill_on_drop: false }`
[INFO] [stdout] 90518bc0c6c6e5c87ca8a58ef483974aa1c1fd0474cd183bf728334dc4bca90c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e5c0cffa715a5c0ef2a387121927b632fd500b56535045d7416042e6243ae9
[INFO] running `Command { std: "docker" "start" "-a" "75e5c0cffa715a5c0ef2a387121927b632fd500b56535045d7416042e6243ae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking assume v0.5.0
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking toml v0.9.5
[INFO] [stderr]    Compiling bitint-macros v0.1.1
[INFO] [stderr]    Compiling mvbitfield-macros v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking bitint v0.1.1
[INFO] [stderr]     Checking trybuild v1.0.110
[INFO] [stderr]     Checking mvbitfield v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:344:15
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub trait Sealed {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:344:15
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub trait Sealed {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `Command { std: "docker" "inspect" "75e5c0cffa715a5c0ef2a387121927b632fd500b56535045d7416042e6243ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e5c0cffa715a5c0ef2a387121927b632fd500b56535045d7416042e6243ae9", kill_on_drop: false }`
[INFO] [stdout] 75e5c0cffa715a5c0ef2a387121927b632fd500b56535045d7416042e6243ae9