[INFO] cloning repository https://github.com/dalekatwork/rust-nth-fibonaci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dalekatwork/rust-nth-fibonaci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalekatwork%2Frust-nth-fibonaci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalekatwork%2Frust-nth-fibonaci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db4270760b12479d5cc26c29627e49b73be4903c
[INFO] checking dalekatwork/rust-nth-fibonaci against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalekatwork%2Frust-nth-fibonaci" "/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/dalekatwork/rust-nth-fibonaci on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dalekatwork/rust-nth-fibonaci
[INFO] finished tweaking git repo https://github.com/dalekatwork/rust-nth-fibonaci
[INFO] tweaked toml for git repo https://github.com/dalekatwork/rust-nth-fibonaci written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dalekatwork/rust-nth-fibonaci already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a88f340ed909a7dc753334ea8936e5e6919660aff8c0a6bf926d906e891d9cfc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a88f340ed909a7dc753334ea8936e5e6919660aff8c0a6bf926d906e891d9cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a88f340ed909a7dc753334ea8936e5e6919660aff8c0a6bf926d906e891d9cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88f340ed909a7dc753334ea8936e5e6919660aff8c0a6bf926d906e891d9cfc", kill_on_drop: false }`
[INFO] [stdout] a88f340ed909a7dc753334ea8936e5e6919660aff8c0a6bf926d906e891d9cfc
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 964c8a2a75748286fe54e6958b8b8397e685a4313b5e5939f62aff7bbf146ccd
[INFO] running `Command { std: "docker" "start" "-a" "964c8a2a75748286fe54e6958b8b8397e685a4313b5e5939f62aff7bbf146ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.69s
[INFO] running `Command { std: "docker" "inspect" "964c8a2a75748286fe54e6958b8b8397e685a4313b5e5939f62aff7bbf146ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964c8a2a75748286fe54e6958b8b8397e685a4313b5e5939f62aff7bbf146ccd", kill_on_drop: false }`
[INFO] [stdout] 964c8a2a75748286fe54e6958b8b8397e685a4313b5e5939f62aff7bbf146ccd