[INFO] cloning repository https://github.com/arkmadj/fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arkmadj/fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farkmadj%2Ffibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farkmadj%2Ffibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09f7dfdb0b5ed295c22613829571620cd76b5252
[INFO] checking arkmadj/fibonacci against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farkmadj%2Ffibonacci" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arkmadj/fibonacci
[INFO] finished tweaking git repo https://github.com/arkmadj/fibonacci
[INFO] tweaked toml for git repo https://github.com/arkmadj/fibonacci written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arkmadj/fibonacci on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arkmadj/fibonacci 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a533cea72f6dace3dbb86337274ab12007209a2fbe256e9082b37e0e4ec0352d
[INFO] running `Command { std: "docker" "start" "-a" "a533cea72f6dace3dbb86337274ab12007209a2fbe256e9082b37e0e4ec0352d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a533cea72f6dace3dbb86337274ab12007209a2fbe256e9082b37e0e4ec0352d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a533cea72f6dace3dbb86337274ab12007209a2fbe256e9082b37e0e4ec0352d", kill_on_drop: false }`
[INFO] [stdout] a533cea72f6dace3dbb86337274ab12007209a2fbe256e9082b37e0e4ec0352d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 542d5c015b8031cdff0125d0efd92dc60d7b632c0b687cbd4bc9cbc26df9d62c
[INFO] running `Command { std: "docker" "start" "-a" "542d5c015b8031cdff0125d0efd92dc60d7b632c0b687cbd4bc9cbc26df9d62c", kill_on_drop: false }`
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "542d5c015b8031cdff0125d0efd92dc60d7b632c0b687cbd4bc9cbc26df9d62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542d5c015b8031cdff0125d0efd92dc60d7b632c0b687cbd4bc9cbc26df9d62c", kill_on_drop: false }`
[INFO] [stdout] 542d5c015b8031cdff0125d0efd92dc60d7b632c0b687cbd4bc9cbc26df9d62c