[INFO] fetching crate bitfield 0.14.0...
[INFO] checking bitfield-0.14.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bitfield 0.14.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bitfield 0.14.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitfield 0.14.0
[INFO] finished tweaking crates.io crate bitfield 0.14.0
[INFO] tweaked toml for crates.io crate bitfield 0.14.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate bitfield 0.14.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eedb74c1fe331fa1518ff1ab37e6b748637ecea2052167e16c4a5d9b4ba3a22c
[INFO] running `Command { std: "docker" "start" "-a" "eedb74c1fe331fa1518ff1ab37e6b748637ecea2052167e16c4a5d9b4ba3a22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eedb74c1fe331fa1518ff1ab37e6b748637ecea2052167e16c4a5d9b4ba3a22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eedb74c1fe331fa1518ff1ab37e6b748637ecea2052167e16c4a5d9b4ba3a22c", kill_on_drop: false }`
[INFO] [stdout] eedb74c1fe331fa1518ff1ab37e6b748637ecea2052167e16c4a5d9b4ba3a22c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b591e9f19cd4f35b0a723199c0e656c33e6cdb2e7cff564dd1c95b675514d6d
[INFO] running `Command { std: "docker" "start" "-a" "8b591e9f19cd4f35b0a723199c0e656c33e6cdb2e7cff564dd1c95b675514d6d", kill_on_drop: false }`
[INFO] [stderr]     Checking bitfield v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> tests/lib.rs:811:9
[INFO] [stdout]     |
[INFO] [stdout] 811 |     use std;
[INFO] [stdout]     |         ^^^ the item `std` is already imported here
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "8b591e9f19cd4f35b0a723199c0e656c33e6cdb2e7cff564dd1c95b675514d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b591e9f19cd4f35b0a723199c0e656c33e6cdb2e7cff564dd1c95b675514d6d", kill_on_drop: false }`
[INFO] [stdout] 8b591e9f19cd4f35b0a723199c0e656c33e6cdb2e7cff564dd1c95b675514d6d
[INFO] checking bitfield-0.14.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bitfield 0.14.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bitfield 0.14.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitfield 0.14.0
[INFO] finished tweaking crates.io crate bitfield 0.14.0
[INFO] tweaked toml for crates.io crate bitfield 0.14.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate bitfield 0.14.0 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07a958b60cf6a03446b4adbed44aa4d4c468ea95e7b9c698ae607e4eab01f761
[INFO] running `Command { std: "docker" "start" "-a" "07a958b60cf6a03446b4adbed44aa4d4c468ea95e7b9c698ae607e4eab01f761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07a958b60cf6a03446b4adbed44aa4d4c468ea95e7b9c698ae607e4eab01f761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a958b60cf6a03446b4adbed44aa4d4c468ea95e7b9c698ae607e4eab01f761", kill_on_drop: false }`
[INFO] [stdout] 07a958b60cf6a03446b4adbed44aa4d4c468ea95e7b9c698ae607e4eab01f761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2757d71b6f0461ead989183b8793d4c3b8922484b399e17e615b020a51f3c3cc
[INFO] running `Command { std: "docker" "start" "-a" "2757d71b6f0461ead989183b8793d4c3b8922484b399e17e615b020a51f3c3cc", kill_on_drop: false }`
[INFO] [stderr]     Checking bitfield v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> tests/lib.rs:811:9
[INFO] [stdout]     |
[INFO] [stdout] 811 |     use std;
[INFO] [stdout]     |         ^^^ the item `std` is already imported here
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "2757d71b6f0461ead989183b8793d4c3b8922484b399e17e615b020a51f3c3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2757d71b6f0461ead989183b8793d4c3b8922484b399e17e615b020a51f3c3cc", kill_on_drop: false }`
[INFO] [stdout] 2757d71b6f0461ead989183b8793d4c3b8922484b399e17e615b020a51f3c3cc
