[INFO] fetching crate wk 0.5.0...
[INFO] checking wk-0.5.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate wk 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate wk 0.5.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wk 0.5.0
[INFO] finished tweaking crates.io crate wk 0.5.0
[INFO] tweaked toml for crates.io crate wk 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate wk 0.5.0 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded app_dirs v1.2.1
[INFO] [stderr]   Downloaded os_pipe v0.8.2
[INFO] [stderr]   Downloaded whoami v0.5.3
[INFO] [stderr]   Downloaded shared_child v0.3.4
[INFO] [stderr]   Downloaded duct v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d06defd18f502c3741e9ec7d08465c3b7dd1963cfa2ffbefbef0edcf90869f1
[INFO] running `Command { std: "docker" "start" "-a" "9d06defd18f502c3741e9ec7d08465c3b7dd1963cfa2ffbefbef0edcf90869f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d06defd18f502c3741e9ec7d08465c3b7dd1963cfa2ffbefbef0edcf90869f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d06defd18f502c3741e9ec7d08465c3b7dd1963cfa2ffbefbef0edcf90869f1", kill_on_drop: false }`
[INFO] [stdout] 9d06defd18f502c3741e9ec7d08465c3b7dd1963cfa2ffbefbef0edcf90869f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 116f56e9952eadde15f117440580d789dfa1326afe768dcd030fae0ab2369bc9
[INFO] running `Command { std: "docker" "start" "-a" "116f56e9952eadde15f117440580d789dfa1326afe768dcd030fae0ab2369bc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking whoami v0.5.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking os_pipe v0.8.2
[INFO] [stderr]     Checking duct v0.12.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking wk v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `force` is never read
[INFO] [stdout]    --> src/main.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 |     Init { force: bool },
[INFO] [stdout]     |     ----   ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `force` is never read
[INFO] [stdout]    --> src/main.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 |     Init { force: bool },
[INFO] [stdout]     |     ----   ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 4.37s
[INFO] running `Command { std: "docker" "inspect" "116f56e9952eadde15f117440580d789dfa1326afe768dcd030fae0ab2369bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116f56e9952eadde15f117440580d789dfa1326afe768dcd030fae0ab2369bc9", kill_on_drop: false }`
[INFO] [stdout] 116f56e9952eadde15f117440580d789dfa1326afe768dcd030fae0ab2369bc9