[INFO] cloning repository https://github.com/laopo001/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laopo001/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0153976f77719f018ce55b078ea93b29039f3fc
[INFO] checking laopo001/rust_playground against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Frust_playground" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laopo001/rust_playground 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/laopo001/rust_playground
[INFO] finished tweaking git repo https://github.com/laopo001/rust_playground
[INFO] tweaked toml for git repo https://github.com/laopo001/rust_playground written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/laopo001/rust_playground 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 82bbc68ebade2ecc54429dbaa64b6fdc83bc88225a947b567cbe13309d6477a6
[INFO] running `Command { std: "docker" "start" "-a" "82bbc68ebade2ecc54429dbaa64b6fdc83bc88225a947b567cbe13309d6477a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82bbc68ebade2ecc54429dbaa64b6fdc83bc88225a947b567cbe13309d6477a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bbc68ebade2ecc54429dbaa64b6fdc83bc88225a947b567cbe13309d6477a6", kill_on_drop: false }`
[INFO] [stdout] 82bbc68ebade2ecc54429dbaa64b6fdc83bc88225a947b567cbe13309d6477a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9717c5d5a905baa85533edb14655bb575a90f8481d80b03dbc1ab73309b401b4
[INFO] running `Command { std: "docker" "start" "-a" "9717c5d5a905baa85533edb14655bb575a90f8481d80b03dbc1ab73309b401b4", 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 libc v0.2.70
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rust_playground v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/main3.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/main4.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/closure.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/log.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/return_struct.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/main5.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/main6.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/slice.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/main2.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rust_playground v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "9717c5d5a905baa85533edb14655bb575a90f8481d80b03dbc1ab73309b401b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9717c5d5a905baa85533edb14655bb575a90f8481d80b03dbc1ab73309b401b4", kill_on_drop: false }`
[INFO] [stdout] 9717c5d5a905baa85533edb14655bb575a90f8481d80b03dbc1ab73309b401b4