[INFO] cloning repository https://github.com/minihdl/plaza
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minihdl/plaza" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminihdl%2Fplaza", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminihdl%2Fplaza'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7c3159e1b837f9f75aa7ac9eec21ae52a49e6c8
[INFO] checking minihdl/plaza against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminihdl%2Fplaza" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minihdl/plaza on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minihdl/plaza
[INFO] finished tweaking git repo https://github.com/minihdl/plaza
[INFO] tweaked toml for git repo https://github.com/minihdl/plaza written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/minihdl/plaza already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-20/source/examples/hex7seg.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f97223c0b4290d93bb108831fb73e61006fdd484d5dee577bd32521c67bd673f
[INFO] running `Command { std: "docker" "start" "-a" "f97223c0b4290d93bb108831fb73e61006fdd484d5dee577bd32521c67bd673f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f97223c0b4290d93bb108831fb73e61006fdd484d5dee577bd32521c67bd673f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97223c0b4290d93bb108831fb73e61006fdd484d5dee577bd32521c67bd673f", kill_on_drop: false }`
[INFO] [stdout] f97223c0b4290d93bb108831fb73e61006fdd484d5dee577bd32521c67bd673f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b1c3be07fabd418690da5a3b84b083dd946fdd6e6ae8832ff7bfff261f48cfb
[INFO] running `Command { std: "docker" "start" "-a" "3b1c3be07fabd418690da5a3b84b083dd946fdd6e6ae8832ff7bfff261f48cfb", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/hex7seg.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking internship v0.2.0
[INFO] [stderr]     Checking plaza v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.64s
[INFO] running `Command { std: "docker" "inspect" "3b1c3be07fabd418690da5a3b84b083dd946fdd6e6ae8832ff7bfff261f48cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1c3be07fabd418690da5a3b84b083dd946fdd6e6ae8832ff7bfff261f48cfb", kill_on_drop: false }`
[INFO] [stdout] 3b1c3be07fabd418690da5a3b84b083dd946fdd6e6ae8832ff7bfff261f48cfb