[INFO] cloning repository https://github.com/digyx/BowSeq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/digyx/BowSeq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigyx%2FBowSeq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigyx%2FBowSeq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 131b0b732c5621b8b35e9f3f39bcf25297534fdd
[INFO] checking digyx/BowSeq against master#4455c8937007f3cc3c078375a335d86dbab391ce for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigyx%2FBowSeq" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/digyx/BowSeq
[INFO] finished tweaking git repo https://github.com/digyx/BowSeq
[INFO] tweaked toml for git repo https://github.com/digyx/BowSeq written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/digyx/BowSeq on toolchain 4455c8937007f3cc3c078375a335d86dbab391ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/digyx/BowSeq 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" "+4455c8937007f3cc3c078375a335d86dbab391ce" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c414987f47a1cda15f6a4e89c887858e77aa605dfe6cd198a3beae61d62194a
[INFO] running `Command { std: "docker" "start" "-a" "7c414987f47a1cda15f6a4e89c887858e77aa605dfe6cd198a3beae61d62194a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c414987f47a1cda15f6a4e89c887858e77aa605dfe6cd198a3beae61d62194a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c414987f47a1cda15f6a4e89c887858e77aa605dfe6cd198a3beae61d62194a", kill_on_drop: false }`
[INFO] [stdout] 7c414987f47a1cda15f6a4e89c887858e77aa605dfe6cd198a3beae61d62194a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47450a94195bce9fc1e1a8b7fe59803328f2ced695641a4f40e280721d641fe
[INFO] running `Command { std: "docker" "start" "-a" "c47450a94195bce9fc1e1a8b7fe59803328f2ced695641a4f40e280721d641fe", kill_on_drop: false }`
[INFO] [stderr]     Checking bowseq v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `term` is never read
[INFO] [stdout]  --> src/sequence.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct StandaloneSequence {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 9 |     term: AlphaBeta,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StandaloneSequence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `term` is never read
[INFO] [stdout]  --> src/sequence.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct StandaloneSequence {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 9 |     term: AlphaBeta,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StandaloneSequence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "c47450a94195bce9fc1e1a8b7fe59803328f2ced695641a4f40e280721d641fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47450a94195bce9fc1e1a8b7fe59803328f2ced695641a4f40e280721d641fe", kill_on_drop: false }`
[INFO] [stdout] c47450a94195bce9fc1e1a8b7fe59803328f2ced695641a4f40e280721d641fe