[INFO] cloning repository https://github.com/tom-code/rust-matc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tom-code/rust-matc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftom-code%2Frust-matc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftom-code%2Frust-matc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33c76497bcef453357194317da034bae73a61570
[INFO] checking tom-code/rust-matc/33c76497bcef453357194317da034bae73a61570 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftom-code%2Frust-matc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tom-code/rust-matc
[INFO] finished tweaking git repo https://github.com/tom-code/rust-matc
[INFO] tweaked toml for git repo https://github.com/tom-code/rust-matc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tom-code/rust-matc on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tom-code/rust-matc 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flagset v0.4.6
[INFO] [stderr]   Downloaded tls_codec_derive v0.4.1
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[INFO] [stderr]   Downloaded x509-cert v0.2.5
[INFO] [stderr]   Downloaded ccm v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52546af011779f6af44adcd02fa783f63a1769c189ac1c20b24499a61eee7b0a
[INFO] running `Command { std: "docker" "start" "-a" "52546af011779f6af44adcd02fa783f63a1769c189ac1c20b24499a61eee7b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52546af011779f6af44adcd02fa783f63a1769c189ac1c20b24499a61eee7b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52546af011779f6af44adcd02fa783f63a1769c189ac1c20b24499a61eee7b0a", kill_on_drop: false }`
[INFO] [stdout] 52546af011779f6af44adcd02fa783f63a1769c189ac1c20b24499a61eee7b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 096387d6fca92a28061bed58470fd2b12500cb783e0ff6861705b61de7cdc427
[INFO] running `Command { std: "docker" "start" "-a" "096387d6fca92a28061bed58470fd2b12500cb783e0ff6861705b61de7cdc427", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking zeroize v1.8.1
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[INFO] [stderr]    Compiling der_derive v0.7.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
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[INFO] [stderr]     Checking matc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `transport` is never read
[INFO] [stdout]   --> src/controller.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Controller {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 15 |     certmanager: Arc<dyn certmanager::CertManager>,
[INFO] [stdout] 16 |     transport: Arc<transport::Transport>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `transport` is never read
[INFO] [stdout]   --> src/controller.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Controller {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 15 |     certmanager: Arc<dyn certmanager::CertManager>,
[INFO] [stdout] 16 |     transport: Arc<transport::Transport>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.13s
[INFO] running `Command { std: "docker" "inspect" "096387d6fca92a28061bed58470fd2b12500cb783e0ff6861705b61de7cdc427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096387d6fca92a28061bed58470fd2b12500cb783e0ff6861705b61de7cdc427", kill_on_drop: false }`
[INFO] [stdout] 096387d6fca92a28061bed58470fd2b12500cb783e0ff6861705b61de7cdc427