[INFO] fetching crate cargo-rbrew 0.0.5...
[INFO] checking cargo-rbrew-0.0.5 against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] extracting crate cargo-rbrew 0.0.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cargo-rbrew 0.0.5
[INFO] finished tweaking crates.io crate cargo-rbrew 0.0.5
[INFO] tweaked toml for crates.io crate cargo-rbrew 0.0.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-rbrew 0.0.5 on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-rbrew 0.0.5 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking cargo-rbrew-0.0.5 against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] extracting crate cargo-rbrew 0.0.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cargo-rbrew 0.0.5
[INFO] finished tweaking crates.io crate cargo-rbrew 0.0.5
[INFO] tweaked toml for crates.io crate cargo-rbrew 0.0.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-rbrew 0.0.5 on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-rbrew 0.0.5 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argp_derive v0.3.0
[INFO] [stderr]   Downloaded unicode-width v0.1.12
[INFO] [stderr]   Downloaded argp v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 931e8de85f76f38a11682e65185f5a65b94a01e617a15a81af5d50426d33bb60
[INFO] running `Command { std: "docker" "start" "-a" "931e8de85f76f38a11682e65185f5a65b94a01e617a15a81af5d50426d33bb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "931e8de85f76f38a11682e65185f5a65b94a01e617a15a81af5d50426d33bb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931e8de85f76f38a11682e65185f5a65b94a01e617a15a81af5d50426d33bb60", kill_on_drop: false }`
[INFO] [stdout] 931e8de85f76f38a11682e65185f5a65b94a01e617a15a81af5d50426d33bb60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3027a9e297d16eb90b8b787cc06fbf996b80fd51f3d187a59cdd100995f2ddb8
[INFO] running `Command { std: "docker" "start" "-a" "3027a9e297d16eb90b8b787cc06fbf996b80fd51f3d187a59cdd100995f2ddb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling cargo-rbrew v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling argp_derive v0.3.0
[INFO] [stderr]     Checking argp v0.3.0
[INFO] [stdout] warning: unused variable: `target_json`
[INFO] [stdout]    --> src/lib.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let target_json = match util::rbrew_target_file(target_json_ident) {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_json`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_json`
[INFO] [stdout]    --> src/lib.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let target_json = match util::rbrew_target_file(target_json_ident) {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_json`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "3027a9e297d16eb90b8b787cc06fbf996b80fd51f3d187a59cdd100995f2ddb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3027a9e297d16eb90b8b787cc06fbf996b80fd51f3d187a59cdd100995f2ddb8", kill_on_drop: false }`
[INFO] [stdout] 3027a9e297d16eb90b8b787cc06fbf996b80fd51f3d187a59cdd100995f2ddb8
