[INFO] cloning repository https://github.com/duncanrhamill/rust_eyre_panic_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duncanrhamill/rust_eyre_panic_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduncanrhamill%2Frust_eyre_panic_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduncanrhamill%2Frust_eyre_panic_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8edaac5ee43735a0f2eeffcd09318360266280fc
[INFO] checking duncanrhamill/rust_eyre_panic_test against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduncanrhamill%2Frust_eyre_panic_test" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duncanrhamill/rust_eyre_panic_test on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/duncanrhamill/rust_eyre_panic_test
[INFO] finished tweaking git repo https://github.com/duncanrhamill/rust_eyre_panic_test
[INFO] tweaked toml for git repo https://github.com/duncanrhamill/rust_eyre_panic_test written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/duncanrhamill/rust_eyre_panic_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] b5d284f5e60e0a2fc67c26d9a801afb40932840970862eeb30b0b8a71f3d6361
[INFO] running `Command { std: "docker" "start" "-a" "b5d284f5e60e0a2fc67c26d9a801afb40932840970862eeb30b0b8a71f3d6361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d284f5e60e0a2fc67c26d9a801afb40932840970862eeb30b0b8a71f3d6361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d284f5e60e0a2fc67c26d9a801afb40932840970862eeb30b0b8a71f3d6361", kill_on_drop: false }`
[INFO] [stdout] b5d284f5e60e0a2fc67c26d9a801afb40932840970862eeb30b0b8a71f3d6361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 140a6ad94e648f1b03d03b12b0729b25c1accb29b95720d31b3bfd3cc7d43dd0
[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" "140a6ad94e648f1b03d03b12b0729b25c1accb29b95720d31b3bfd3cc7d43dd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking panic_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "140a6ad94e648f1b03d03b12b0729b25c1accb29b95720d31b3bfd3cc7d43dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140a6ad94e648f1b03d03b12b0729b25c1accb29b95720d31b3bfd3cc7d43dd0", kill_on_drop: false }`
[INFO] [stdout] 140a6ad94e648f1b03d03b12b0729b25c1accb29b95720d31b3bfd3cc7d43dd0