[INFO] fetching crate megumax 0.3.0...
[INFO] checking megumax-0.3.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate megumax 0.3.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate megumax 0.3.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded futures-lite v1.8.0
[INFO] [stderr]   Downloaded fastrand v1.3.5
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded async-channel v1.4.2
[INFO] [stderr]   Downloaded structopt v0.3.18
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded async-rwlock v1.3.0
[INFO] [stderr]   Downloaded nb-connect v1.0.1
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded async-walkdir v0.2.0
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.25
[INFO] [stderr]   Downloaded pin-project v0.4.25
[INFO] [stderr]   Downloaded megumax-template v0.1.0
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] [stderr]   Downloaded polling v1.1.0
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded async-lock v2.2.0
[INFO] [stderr]   Downloaded async-process v1.0.0
[INFO] [stderr]   Downloaded async-barrier v1.1.0
[INFO] [stderr]   Downloaded async-net v1.4.6
[INFO] [stderr]   Downloaded async-fs v1.3.0
[INFO] [stderr]   Downloaded async-semaphore v1.2.0
[INFO] [stderr]   Downloaded smol v1.2.2
[INFO] [stderr]   Downloaded async-io v1.1.6
[INFO] [stderr]   Downloaded flexi_logger v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23f680c34e915dbe2c7b81272afae6288cb6fc43dae22ef586efa52d01903e5e
[INFO] running `Command { std: "docker" "start" "-a" "23f680c34e915dbe2c7b81272afae6288cb6fc43dae22ef586efa52d01903e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23f680c34e915dbe2c7b81272afae6288cb6fc43dae22ef586efa52d01903e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f680c34e915dbe2c7b81272afae6288cb6fc43dae22ef586efa52d01903e5e", kill_on_drop: false }`
[INFO] [stdout] 23f680c34e915dbe2c7b81272afae6288cb6fc43dae22ef586efa52d01903e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2488e5d9576b27f96397717a8c211e996c539bd6a1e74e7862c63b4b4525f5ed
[INFO] running `Command { std: "docker" "start" "-a" "2488e5d9576b27f96397717a8c211e996c539bd6a1e74e7862c63b4b4525f5ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking megumax-template v0.1.0
[INFO] [stderr]     Checking flexi_logger v0.16.1
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.35s
[INFO] running `Command { std: "docker" "inspect" "2488e5d9576b27f96397717a8c211e996c539bd6a1e74e7862c63b4b4525f5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2488e5d9576b27f96397717a8c211e996c539bd6a1e74e7862c63b4b4525f5ed", kill_on_drop: false }`
[INFO] [stdout] 2488e5d9576b27f96397717a8c211e996c539bd6a1e74e7862c63b4b4525f5ed