[INFO] cloning repository https://github.com/Sebastian-Rob-Cam/read_file
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sebastian-Rob-Cam/read_file" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastian-Rob-Cam%2Fread_file", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastian-Rob-Cam%2Fread_file'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec2f5bb106e11b0e78819b411ac2e6164ffc905b
[INFO] checking Sebastian-Rob-Cam/read_file/ec2f5bb106e11b0e78819b411ac2e6164ffc905b against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastian-Rob-Cam%2Fread_file" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-5-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[INFO] checking Sebastian-Rob-Cam/read_file/ec2f5bb106e11b0e78819b411ac2e6164ffc905b against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastian-Rob-Cam%2Fread_file" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sebastian-Rob-Cam/read_file on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sebastian-Rob-Cam/read_file
[INFO] finished tweaking git repo https://github.com/Sebastian-Rob-Cam/read_file
[INFO] tweaked toml for git repo https://github.com/Sebastian-Rob-Cam/read_file written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sebastian-Rob-Cam/read_file 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c369979e78eb6fd8e03f8cc94ab4c5c42d412ec6569c819d7dc3b68735622b78
[INFO] running `Command { std: "docker" "start" "-a" "c369979e78eb6fd8e03f8cc94ab4c5c42d412ec6569c819d7dc3b68735622b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c369979e78eb6fd8e03f8cc94ab4c5c42d412ec6569c819d7dc3b68735622b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c369979e78eb6fd8e03f8cc94ab4c5c42d412ec6569c819d7dc3b68735622b78", kill_on_drop: false }`
[INFO] [stdout] c369979e78eb6fd8e03f8cc94ab4c5c42d412ec6569c819d7dc3b68735622b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e1770924cffd84c4f4eb147c719a13162d8a91aa80fe683d287bde9317e53e
[INFO] running `Command { std: "docker" "start" "-a" "b0e1770924cffd84c4f4eb147c719a13162d8a91aa80fe683d287bde9317e53e", kill_on_drop: false }`
[INFO] [stderr]     Checking read_files v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "b0e1770924cffd84c4f4eb147c719a13162d8a91aa80fe683d287bde9317e53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e1770924cffd84c4f4eb147c719a13162d8a91aa80fe683d287bde9317e53e", kill_on_drop: false }`
[INFO] [stdout] b0e1770924cffd84c4f4eb147c719a13162d8a91aa80fe683d287bde9317e53e