[INFO] fetching crate megumax 0.3.0...
[INFO] building megumax-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate megumax 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate megumax 0.3.0
[INFO] finished tweaking crates.io crate megumax 0.3.0
[INFO] tweaked toml for crates.io crate megumax 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate megumax 0.3.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate megumax 0.3.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded megumax-template v0.1.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded smol v1.2.2
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.25
[INFO] [stderr]   Downloaded pin-project v0.4.25
[INFO] [stderr]   Downloaded async-walkdir v0.2.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.18
[INFO] [stderr]   Downloaded async-net v1.4.6
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded flexi_logger v0.16.1
[INFO] [stderr]   Downloaded polling v1.1.0
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded async-process v1.0.0
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded fastrand v1.3.5
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded async-fs v1.3.0
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded async-io v1.1.6
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded async-channel v1.4.2
[INFO] [stderr]   Downloaded async-rwlock v1.3.0
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] [stderr]   Downloaded async-lock v2.2.0
[INFO] [stderr]   Downloaded futures-lite v1.8.0
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded async-semaphore v1.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded async-barrier v1.1.0
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded nb-connect v1.0.1
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f1b7eda3bef9af9f84ad3dd83795d4e964161b6b9e3964113e105cef26dc70
[INFO] running `Command { std: "docker" "start" "-a" "18f1b7eda3bef9af9f84ad3dd83795d4e964161b6b9e3964113e105cef26dc70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f1b7eda3bef9af9f84ad3dd83795d4e964161b6b9e3964113e105cef26dc70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f1b7eda3bef9af9f84ad3dd83795d4e964161b6b9e3964113e105cef26dc70", kill_on_drop: false }`
[INFO] [stdout] 18f1b7eda3bef9af9f84ad3dd83795d4e964161b6b9e3964113e105cef26dc70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba65f4c8404210ecadad8bf62b45ebed3ace6aeb5eb1be9ae0b6d58eeabafbbd
[INFO] running `Command { std: "docker" "start" "-a" "ba65f4c8404210ecadad8bf62b45ebed3ace6aeb5eb1be9ae0b6d58eeabafbbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling shellexpand v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling megumax-template v0.1.0
[INFO] [stderr]    Compiling flexi_logger v0.16.1
[INFO] [stderr]    Compiling structopt v0.3.18
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling megumax v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]   --> src/core/walker.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub use ignore::{DirEntry, Walk as Iter, WalkBuilder};
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.39s
[INFO] running `Command { std: "docker" "inspect" "ba65f4c8404210ecadad8bf62b45ebed3ace6aeb5eb1be9ae0b6d58eeabafbbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba65f4c8404210ecadad8bf62b45ebed3ace6aeb5eb1be9ae0b6d58eeabafbbd", kill_on_drop: false }`
[INFO] [stdout] ba65f4c8404210ecadad8bf62b45ebed3ace6aeb5eb1be9ae0b6d58eeabafbbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad78ac6f48e39fca9d8b46cb48e5708a5d946dcbe507dd02963c601bdda14309
[INFO] running `Command { std: "docker" "start" "-a" "ad78ac6f48e39fca9d8b46cb48e5708a5d946dcbe507dd02963c601bdda14309", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]   --> src/core/walker.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub use ignore::{DirEntry, Walk as Iter, WalkBuilder};
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling megumax v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]   --> src/core/walker.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub use ignore::{DirEntry, Walk as Iter, WalkBuilder};
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "ad78ac6f48e39fca9d8b46cb48e5708a5d946dcbe507dd02963c601bdda14309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad78ac6f48e39fca9d8b46cb48e5708a5d946dcbe507dd02963c601bdda14309", kill_on_drop: false }`
[INFO] [stdout] ad78ac6f48e39fca9d8b46cb48e5708a5d946dcbe507dd02963c601bdda14309