[INFO] fetching crate uu_who 0.0.6...
[INFO] checking uu_who-0.0.6 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate uu_who 0.0.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate uu_who 0.0.6 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_who 0.0.6
[INFO] finished tweaking crates.io crate uu_who 0.0.6
[INFO] tweaked toml for crates.io crate uu_who 0.0.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate uu_who 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 242376a68988ccf9c24e44668915b13cd560e0e3331eda4ca23d94b915fc2351
[INFO] running `Command { std: "docker" "start" "-a" "242376a68988ccf9c24e44668915b13cd560e0e3331eda4ca23d94b915fc2351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "242376a68988ccf9c24e44668915b13cd560e0e3331eda4ca23d94b915fc2351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242376a68988ccf9c24e44668915b13cd560e0e3331eda4ca23d94b915fc2351", kill_on_drop: false }`
[INFO] [stdout] 242376a68988ccf9c24e44668915b13cd560e0e3331eda4ca23d94b915fc2351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecfefb7b8c4e88222e1012dbfb0ee60c386c0df6797216f69109a6545d91070e
[INFO] running `Command { std: "docker" "start" "-a" "ecfefb7b8c4e88222e1012dbfb0ee60c386c0df6797216f69109a6545d91070e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking uucore v0.0.8
[INFO] [stderr]    Compiling uucore_procs v0.0.5
[INFO] [stderr]     Checking uu_who v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `has_records`
[INFO] [stdout]    --> src/who.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     has_records: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `has_records`
[INFO] [stdout]    --> src/who.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     has_records: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[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 9.32s
[INFO] running `Command { std: "docker" "inspect" "ecfefb7b8c4e88222e1012dbfb0ee60c386c0df6797216f69109a6545d91070e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecfefb7b8c4e88222e1012dbfb0ee60c386c0df6797216f69109a6545d91070e", kill_on_drop: false }`
[INFO] [stdout] ecfefb7b8c4e88222e1012dbfb0ee60c386c0df6797216f69109a6545d91070e