[INFO] cloning repository https://github.com/gavynriebau/filesystem_race_condition_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gavynriebau/filesystem_race_condition_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavynriebau%2Ffilesystem_race_condition_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavynriebau%2Ffilesystem_race_condition_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d24771306120ef7022e234597155efebadd92c1
[INFO] checking gavynriebau/filesystem_race_condition_bug against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavynriebau%2Ffilesystem_race_condition_bug" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gavynriebau/filesystem_race_condition_bug on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gavynriebau/filesystem_race_condition_bug
[INFO] finished tweaking git repo https://github.com/gavynriebau/filesystem_race_condition_bug
[INFO] tweaked toml for git repo https://github.com/gavynriebau/filesystem_race_condition_bug written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gavynriebau/filesystem_race_condition_bug 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded filesystem v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b330829ccd7c6e0ecbc5a3970eda16cf1e7d3852eb3109bf48616b312eb26117
[INFO] running `Command { std: "docker" "start" "-a" "b330829ccd7c6e0ecbc5a3970eda16cf1e7d3852eb3109bf48616b312eb26117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b330829ccd7c6e0ecbc5a3970eda16cf1e7d3852eb3109bf48616b312eb26117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b330829ccd7c6e0ecbc5a3970eda16cf1e7d3852eb3109bf48616b312eb26117", kill_on_drop: false }`
[INFO] [stdout] b330829ccd7c6e0ecbc5a3970eda16cf1e7d3852eb3109bf48616b312eb26117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 695a492a07f4923496e4037c9bbd95c848c9cb4080eb1e5e18d7eee9f3b9d9d8
[INFO] running `Command { std: "docker" "start" "-a" "695a492a07f4923496e4037c9bbd95c848c9cb4080eb1e5e18d7eee9f3b9d9d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking filesystem v0.4.2
[INFO] [stderr]     Checking filesystem_race_condition_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `filesystem::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use filesystem::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `filesystem_race_condition_bug`
[INFO] [stdout]   --> src/main.rs:61:2
[INFO] [stdout]    |
[INFO] [stdout] 61 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `filesystem_race_condition_bug` (bin "filesystem_race_condition_bug") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "695a492a07f4923496e4037c9bbd95c848c9cb4080eb1e5e18d7eee9f3b9d9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695a492a07f4923496e4037c9bbd95c848c9cb4080eb1e5e18d7eee9f3b9d9d8", kill_on_drop: false }`
[INFO] [stdout] 695a492a07f4923496e4037c9bbd95c848c9cb4080eb1e5e18d7eee9f3b9d9d8
[INFO] checking gavynriebau/filesystem_race_condition_bug against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavynriebau%2Ffilesystem_race_condition_bug" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gavynriebau/filesystem_race_condition_bug on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gavynriebau/filesystem_race_condition_bug
[INFO] finished tweaking git repo https://github.com/gavynriebau/filesystem_race_condition_bug
[INFO] tweaked toml for git repo https://github.com/gavynriebau/filesystem_race_condition_bug written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gavynriebau/filesystem_race_condition_bug 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f80c54b827d70f099adbebdc3662a447c703705ebf0e610dbbe65bd2493f2161
[INFO] running `Command { std: "docker" "start" "-a" "f80c54b827d70f099adbebdc3662a447c703705ebf0e610dbbe65bd2493f2161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f80c54b827d70f099adbebdc3662a447c703705ebf0e610dbbe65bd2493f2161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80c54b827d70f099adbebdc3662a447c703705ebf0e610dbbe65bd2493f2161", kill_on_drop: false }`
[INFO] [stdout] f80c54b827d70f099adbebdc3662a447c703705ebf0e610dbbe65bd2493f2161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82927bf132d12d6aab5d209ff2f13f570345dfc6521085998c26067fe88aa3de
[INFO] running `Command { std: "docker" "start" "-a" "82927bf132d12d6aab5d209ff2f13f570345dfc6521085998c26067fe88aa3de", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "82927bf132d12d6aab5d209ff2f13f570345dfc6521085998c26067fe88aa3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82927bf132d12d6aab5d209ff2f13f570345dfc6521085998c26067fe88aa3de", kill_on_drop: false }`
[INFO] [stdout] 82927bf132d12d6aab5d209ff2f13f570345dfc6521085998c26067fe88aa3de