[INFO] fetching crate swap 0.1.0...
[INFO] checking swap-0.1.0 against master#008bc1d587b4f9d7197eb159922dd2080eea9284 for pr-104746-1
[INFO] extracting crate swap 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate swap 0.1.0 on toolchain 008bc1d587b4f9d7197eb159922dd2080eea9284
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+008bc1d587b4f9d7197eb159922dd2080eea9284" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swap 0.1.0
[INFO] finished tweaking crates.io crate swap 0.1.0
[INFO] tweaked toml for crates.io crate swap 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+008bc1d587b4f9d7197eb159922dd2080eea9284" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+008bc1d587b4f9d7197eb159922dd2080eea9284" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+008bc1d587b4f9d7197eb159922dd2080eea9284" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7afb2fb0fb5d4efa5082039faf0f4bcd49237044393db9c05892efc558bee45e
[INFO] running `Command { std: "docker" "start" "-a" "7afb2fb0fb5d4efa5082039faf0f4bcd49237044393db9c05892efc558bee45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7afb2fb0fb5d4efa5082039faf0f4bcd49237044393db9c05892efc558bee45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afb2fb0fb5d4efa5082039faf0f4bcd49237044393db9c05892efc558bee45e", kill_on_drop: false }`
[INFO] [stdout] 7afb2fb0fb5d4efa5082039faf0f4bcd49237044393db9c05892efc558bee45e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+008bc1d587b4f9d7197eb159922dd2080eea9284" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41a9437daedc436239ccc6ed2bf2fa30056e8022bc14340e08cac1f563f32ab1
[INFO] running `Command { std: "docker" "start" "-a" "41a9437daedc436239ccc6ed2bf2fa30056e8022bc14340e08cac1f563f32ab1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking swap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "41a9437daedc436239ccc6ed2bf2fa30056e8022bc14340e08cac1f563f32ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a9437daedc436239ccc6ed2bf2fa30056e8022bc14340e08cac1f563f32ab1", kill_on_drop: false }`
[INFO] [stdout] 41a9437daedc436239ccc6ed2bf2fa30056e8022bc14340e08cac1f563f32ab1