[INFO] cloning repository https://github.com/tynril/rust-book-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tynril/rust-book-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftynril%2Frust-book-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftynril%2Frust-book-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db3abfb770ee682c5d11bfb068992150da38dde3
[INFO] checking tynril/rust-book-study against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftynril%2Frust-book-study" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tynril/rust-book-study on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tynril/rust-book-study
[INFO] finished tweaking git repo https://github.com/tynril/rust-book-study
[INFO] tweaked toml for git repo https://github.com/tynril/rust-book-study written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/tynril/rust-book-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.6.7
[INFO] [stderr]   Downloaded httparse v1.1.0
[INFO] [stderr]   Downloaded language-tags v0.2.0
[INFO] [stderr]   Downloaded mio v0.5.0
[INFO] [stderr]   Downloaded miow v0.1.1
[INFO] [stderr]   Downloaded gcc v0.3.21
[INFO] [stderr]   Downloaded openssl-sys-extras v0.7.4
[INFO] [stderr]   Downloaded num v0.1.29
[INFO] [stderr]   Downloaded rustc_version v0.1.4
[INFO] [stderr]   Downloaded num_cpus v0.2.10
[INFO] [stderr]   Downloaded mime v0.1.1
[INFO] [stderr]   Downloaded openssl v0.7.4
[INFO] [stderr]   Downloaded url v0.5.2
[INFO] [stderr]   Downloaded time v0.1.34
[INFO] [stderr]   Downloaded net2 v0.2.20
[INFO] [stderr]   Downloaded log v0.3.4
[INFO] [stderr]   Downloaded openssl-sys v0.7.4
[INFO] [stderr]   Downloaded nix v0.4.2
[INFO] [stderr]   Downloaded libc v0.2.4
[INFO] [stderr]   Downloaded unicase v1.1.1
[INFO] [stderr]   Downloaded hyper v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fa94757b864a529bf51828ff1f6e18d1bdaaabd6e32d42cacd2712bd3423747
[INFO] running `Command { std: "docker" "start" "-a" "7fa94757b864a529bf51828ff1f6e18d1bdaaabd6e32d42cacd2712bd3423747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fa94757b864a529bf51828ff1f6e18d1bdaaabd6e32d42cacd2712bd3423747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa94757b864a529bf51828ff1f6e18d1bdaaabd6e32d42cacd2712bd3423747", kill_on_drop: false }`
[INFO] [stdout] 7fa94757b864a529bf51828ff1f6e18d1bdaaabd6e32d42cacd2712bd3423747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c9839736077162e775608c5a5ad0fb70dcc3b20e74a64a84c9653ff3e1b2aa6
[INFO] running `Command { std: "docker" "start" "-a" "5c9839736077162e775608c5a5ad0fb70dcc3b20e74a64a84c9653ff3e1b2aa6", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "5c9839736077162e775608c5a5ad0fb70dcc3b20e74a64a84c9653ff3e1b2aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9839736077162e775608c5a5ad0fb70dcc3b20e74a64a84c9653ff3e1b2aa6", kill_on_drop: false }`
[INFO] [stdout] 5c9839736077162e775608c5a5ad0fb70dcc3b20e74a64a84c9653ff3e1b2aa6