[INFO] fetching crate railsgun 2.0.0...
[INFO] checking railsgun-2.0.0 against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] extracting crate railsgun 2.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate railsgun 2.0.0 on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate railsgun 2.0.0
[INFO] finished tweaking crates.io crate railsgun 2.0.0
[INFO] tweaked toml for crates.io crate railsgun 2.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a95d0f264d17cf76baae3bb5b59172465deaf5df1f977a55db8318c1dd2ecbab
[INFO] running `Command { std: "docker" "start" "-a" "a95d0f264d17cf76baae3bb5b59172465deaf5df1f977a55db8318c1dd2ecbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a95d0f264d17cf76baae3bb5b59172465deaf5df1f977a55db8318c1dd2ecbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95d0f264d17cf76baae3bb5b59172465deaf5df1f977a55db8318c1dd2ecbab", kill_on_drop: false }`
[INFO] [stdout] a95d0f264d17cf76baae3bb5b59172465deaf5df1f977a55db8318c1dd2ecbab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 108c55838c8bfe7921586ff3ce2b02ccd4f2b619de3c5e45a83dadc55d2b88c8
[INFO] running `Command { std: "docker" "start" "-a" "108c55838c8bfe7921586ff3ce2b02ccd4f2b619de3c5e45a83dadc55d2b88c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking railsgun v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 165 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 165 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.99s
[INFO] running `Command { std: "docker" "inspect" "108c55838c8bfe7921586ff3ce2b02ccd4f2b619de3c5e45a83dadc55d2b88c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108c55838c8bfe7921586ff3ce2b02ccd4f2b619de3c5e45a83dadc55d2b88c8", kill_on_drop: false }`
[INFO] [stdout] 108c55838c8bfe7921586ff3ce2b02ccd4f2b619de3c5e45a83dadc55d2b88c8