[INFO] fetching crate containing 0.1.0-preview...
[INFO] checking containing-0.1.0-preview against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate containing 0.1.0-preview into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate containing 0.1.0-preview
[INFO] finished tweaking crates.io crate containing 0.1.0-preview
[INFO] tweaked toml for crates.io crate containing 0.1.0-preview written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate containing 0.1.0-preview on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate containing 0.1.0-preview 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.140
[INFO] [stderr]   Downloaded if_rust_version v1.0.0
[INFO] [stderr]   Downloaded parse_arg v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd7d0c8fca462d3d3935a1934da7d2dc1f6d39d575ff2ee85a28e634fe2d5cec
[INFO] running `Command { std: "docker" "start" "-a" "dd7d0c8fca462d3d3935a1934da7d2dc1f6d39d575ff2ee85a28e634fe2d5cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd7d0c8fca462d3d3935a1934da7d2dc1f6d39d575ff2ee85a28e634fe2d5cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7d0c8fca462d3d3935a1934da7d2dc1f6d39d575ff2ee85a28e634fe2d5cec", kill_on_drop: false }`
[INFO] [stdout] dd7d0c8fca462d3d3935a1934da7d2dc1f6d39d575ff2ee85a28e634fe2d5cec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2ae38c990231f4bd1b27fb494798f651fd34daef6921cf120c1385a0a06b4c8
[INFO] running `Command { std: "docker" "start" "-a" "d2ae38c990231f4bd1b27fb494798f651fd34daef6921cf120c1385a0a06b4c8", kill_on_drop: false }`
[INFO] [stderr]     Checking containing v0.1.0-preview (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `impl_reserve`
[INFO] [stdout]   --> src/alloc_impls.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) use impl_reserve;
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_reserve`
[INFO] [stdout]   --> src/alloc_impls.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) use impl_reserve;
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "d2ae38c990231f4bd1b27fb494798f651fd34daef6921cf120c1385a0a06b4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ae38c990231f4bd1b27fb494798f651fd34daef6921cf120c1385a0a06b4c8", kill_on_drop: false }`
[INFO] [stdout] d2ae38c990231f4bd1b27fb494798f651fd34daef6921cf120c1385a0a06b4c8
