[INFO] cloning repository https://github.com/pedromfedricci/playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pedromfedricci/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedromfedricci%2Fplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedromfedricci%2Fplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe44f87c4d67a6d548a19a47490a9f44720b050c
[INFO] checking pedromfedricci/playground against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedromfedricci%2Fplayground" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pedromfedricci/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/pedromfedricci/playground
[INFO] finished tweaking git repo https://github.com/pedromfedricci/playground
[INFO] tweaked toml for git repo https://github.com/pedromfedricci/playground written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/pedromfedricci/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] [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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] be7170ff4f084c649273091af8bc61eaff0498f6ae5b838d4a3d8b3792bbb6a4
[INFO] running `Command { std: "docker" "start" "-a" "be7170ff4f084c649273091af8bc61eaff0498f6ae5b838d4a3d8b3792bbb6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7170ff4f084c649273091af8bc61eaff0498f6ae5b838d4a3d8b3792bbb6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7170ff4f084c649273091af8bc61eaff0498f6ae5b838d4a3d8b3792bbb6a4", kill_on_drop: false }`
[INFO] [stdout] be7170ff4f084c649273091af8bc61eaff0498f6ae5b838d4a3d8b3792bbb6a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 3e5398d00362be04a36637b8bbb832cda3edb118790a185448a2186d188994d0
[INFO] running `Command { std: "docker" "start" "-a" "3e5398d00362be04a36637b8bbb832cda3edb118790a185448a2186d188994d0", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking playground v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/binary_tree.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/drop_check.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/rc.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/closure_traits.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/arc.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/into_iter.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/iterators.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/std_in_out.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking playground v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "3e5398d00362be04a36637b8bbb832cda3edb118790a185448a2186d188994d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5398d00362be04a36637b8bbb832cda3edb118790a185448a2186d188994d0", kill_on_drop: false }`
[INFO] [stdout] 3e5398d00362be04a36637b8bbb832cda3edb118790a185448a2186d188994d0