[INFO] cloning repository https://github.com/yskszk63/cargo-llvmcov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yskszk63/cargo-llvmcov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fcargo-llvmcov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fcargo-llvmcov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e6bb53f5fa52b4a989a862aad1220562f1e1595
[INFO] checking yskszk63/cargo-llvmcov against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fcargo-llvmcov" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yskszk63/cargo-llvmcov
[INFO] finished tweaking git repo https://github.com/yskszk63/cargo-llvmcov
[INFO] tweaked toml for git repo https://github.com/yskszk63/cargo-llvmcov written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yskszk63/cargo-llvmcov on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yskszk63/cargo-llvmcov 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b6d6f21c6c71f78c77d96ec314e6b675370a0f96ae4ec93f50b4e0e677b598d
[INFO] running `Command { std: "docker" "start" "-a" "3b6d6f21c6c71f78c77d96ec314e6b675370a0f96ae4ec93f50b4e0e677b598d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6d6f21c6c71f78c77d96ec314e6b675370a0f96ae4ec93f50b4e0e677b598d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6d6f21c6c71f78c77d96ec314e6b675370a0f96ae4ec93f50b4e0e677b598d", kill_on_drop: false }`
[INFO] [stdout] 3b6d6f21c6c71f78c77d96ec314e6b675370a0f96ae4ec93f50b4e0e677b598d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8866f6f5891be09d8b287b39054647daede8b8f68bc48a2a6df496724d25f61b
[INFO] running `Command { std: "docker" "start" "-a" "8866f6f5891be09d8b287b39054647daede8b8f68bc48a2a6df496724d25f61b", kill_on_drop: false }`
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[INFO] [stderr]     Checking cargo-llvmcov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Mock(Vec<u8>, bool),
[INFO] [stdout]    |     ----          ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Output` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 59 -     Mock(Vec<u8>, bool),
[INFO] [stdout] 59 +     Mock(Vec<u8>, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.30s
[INFO] running `Command { std: "docker" "inspect" "8866f6f5891be09d8b287b39054647daede8b8f68bc48a2a6df496724d25f61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8866f6f5891be09d8b287b39054647daede8b8f68bc48a2a6df496724d25f61b", kill_on_drop: false }`
[INFO] [stdout] 8866f6f5891be09d8b287b39054647daede8b8f68bc48a2a6df496724d25f61b