[INFO] cloning repository https://github.com/jculverhouse/fibonacci_race
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jculverhouse/fibonacci_race" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjculverhouse%2Ffibonacci_race", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjculverhouse%2Ffibonacci_race'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67267e7289d85a30189ff9bc78f3f738863b8084
[INFO] checking jculverhouse/fibonacci_race against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjculverhouse%2Ffibonacci_race" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jculverhouse/fibonacci_race on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jculverhouse/fibonacci_race
[INFO] finished tweaking git repo https://github.com/jculverhouse/fibonacci_race
[INFO] tweaked toml for git repo https://github.com/jculverhouse/fibonacci_race written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jculverhouse/fibonacci_race already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-lite v0.1.8
[INFO] [stderr]   Downloaded parking v1.0.5
[INFO] [stderr]   Downloaded event-listener v2.2.0
[INFO] [stderr]   Downloaded concurrent-queue v1.1.1
[INFO] [stderr]   Downloaded cached_proc_macro v0.1.2
[INFO] [stderr]   Downloaded cached v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaba0b107eff22cd1e62f05bc51e1440c8ab20980d1da05942c166f4c37070f0
[INFO] running `Command { std: "docker" "start" "-a" "eaba0b107eff22cd1e62f05bc51e1440c8ab20980d1da05942c166f4c37070f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaba0b107eff22cd1e62f05bc51e1440c8ab20980d1da05942c166f4c37070f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaba0b107eff22cd1e62f05bc51e1440c8ab20980d1da05942c166f4c37070f0", kill_on_drop: false }`
[INFO] [stdout] eaba0b107eff22cd1e62f05bc51e1440c8ab20980d1da05942c166f4c37070f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8332d4644b3617bfa256b65ea44967022871948cb561f30ab722d0f60dfe1f72
[INFO] running `Command { std: "docker" "start" "-a" "8332d4644b3617bfa256b65ea44967022871948cb561f30ab722d0f60dfe1f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling fastrand v1.3.3
[INFO] [stderr]    Compiling parking v1.0.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling event-listener v2.2.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking async-channel v1.1.1
[INFO] [stderr]    Compiling futures-lite v0.1.8
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]    Compiling cached_proc_macro v0.1.2
[INFO] [stderr]     Checking cached v0.16.0
[INFO] [stderr]     Checking fibonacci_race v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.68s
[INFO] running `Command { std: "docker" "inspect" "8332d4644b3617bfa256b65ea44967022871948cb561f30ab722d0f60dfe1f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8332d4644b3617bfa256b65ea44967022871948cb561f30ab722d0f60dfe1f72", kill_on_drop: false }`
[INFO] [stdout] 8332d4644b3617bfa256b65ea44967022871948cb561f30ab722d0f60dfe1f72