[INFO] cloning repository https://github.com/nickmertin/bug-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickmertin/bug-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmertin%2Fbug-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmertin%2Fbug-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04978b4a2952cb97f30f11044ebb62efad6daf78
[INFO] checking nickmertin/bug-example against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmertin%2Fbug-example" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickmertin/bug-example 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] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nickmertin/bug-example
[INFO] finished tweaking git repo https://github.com/nickmertin/bug-example
[INFO] tweaked toml for git repo https://github.com/nickmertin/bug-example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nickmertin/bug-example 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4671f0d26f64b9392b69d334176f350783508094a42e8154b5d93a7de2519f9a
[INFO] running `Command { std: "docker" "start" "-a" "4671f0d26f64b9392b69d334176f350783508094a42e8154b5d93a7de2519f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4671f0d26f64b9392b69d334176f350783508094a42e8154b5d93a7de2519f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4671f0d26f64b9392b69d334176f350783508094a42e8154b5d93a7de2519f9a", kill_on_drop: false }`
[INFO] [stdout] 4671f0d26f64b9392b69d334176f350783508094a42e8154b5d93a7de2519f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 76bc725a3ef3cfd709b68e544e9ed2ddb065f17405d84e029fd4508a339a4f51
[INFO] running `Command { std: "docker" "start" "-a" "76bc725a3ef3cfd709b68e544e9ed2ddb065f17405d84e029fd4508a339a4f51", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling stm32g0 v0.13.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling bug-example v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32g0xx-hal v0.1.0
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 33.36s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling bug-example v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "76bc725a3ef3cfd709b68e544e9ed2ddb065f17405d84e029fd4508a339a4f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bc725a3ef3cfd709b68e544e9ed2ddb065f17405d84e029fd4508a339a4f51", kill_on_drop: false }`
[INFO] [stdout] 76bc725a3ef3cfd709b68e544e9ed2ddb065f17405d84e029fd4508a339a4f51