[INFO] cloning repository https://github.com/mattcollier/rust-regex-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattcollier/rust-regex-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcollier%2Frust-regex-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcollier%2Frust-regex-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d98e8a0157ca13462a06fef05f919a4a0fd687b1
[INFO] checking mattcollier/rust-regex-demo against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcollier%2Frust-regex-demo" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcollier/rust-regex-demo 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/mattcollier/rust-regex-demo
[INFO] finished tweaking git repo https://github.com/mattcollier/rust-regex-demo
[INFO] tweaked toml for git repo https://github.com/mattcollier/rust-regex-demo written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/mattcollier/rust-regex-demo 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 701dfd33c84a372c63f7a9fa71c98be5c0c251c1c7b85743faf73f5eaf9b76ce
[INFO] running `Command { std: "docker" "start" "-a" "701dfd33c84a372c63f7a9fa71c98be5c0c251c1c7b85743faf73f5eaf9b76ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701dfd33c84a372c63f7a9fa71c98be5c0c251c1c7b85743faf73f5eaf9b76ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701dfd33c84a372c63f7a9fa71c98be5c0c251c1c7b85743faf73f5eaf9b76ce", kill_on_drop: false }`
[INFO] [stdout] 701dfd33c84a372c63f7a9fa71c98be5c0c251c1c7b85743faf73f5eaf9b76ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 0a94992e8f70373267c20111253c3c2fd544b88a734a51d7233404b3c7fbd7a4
[INFO] running `Command { std: "docker" "start" "-a" "0a94992e8f70373267c20111253c3c2fd544b88a734a51d7233404b3c7fbd7a4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking regex-demo v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.34s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking regex-demo v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "0a94992e8f70373267c20111253c3c2fd544b88a734a51d7233404b3c7fbd7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a94992e8f70373267c20111253c3c2fd544b88a734a51d7233404b3c7fbd7a4", kill_on_drop: false }`
[INFO] [stdout] 0a94992e8f70373267c20111253c3c2fd544b88a734a51d7233404b3c7fbd7a4