[INFO] fetching crate halbu 0.1.0...
[INFO] checking halbu-0.1.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate halbu 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate halbu 0.1.0
[INFO] finished tweaking crates.io crate halbu 0.1.0
[INFO] tweaked toml for crates.io crate halbu 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate halbu 0.1.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 485d9028e4c565b2c7133e8f0b1bb0c43cafca7c4ba19e2756cf02dc571236a1
[INFO] running `Command { std: "docker" "start" "-a" "485d9028e4c565b2c7133e8f0b1bb0c43cafca7c4ba19e2756cf02dc571236a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "485d9028e4c565b2c7133e8f0b1bb0c43cafca7c4ba19e2756cf02dc571236a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485d9028e4c565b2c7133e8f0b1bb0c43cafca7c4ba19e2756cf02dc571236a1", kill_on_drop: false }`
[INFO] [stdout] 485d9028e4c565b2c7133e8f0b1bb0c43cafca7c4ba19e2756cf02dc571236a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66be685e57a204004c42e7d6e73225ff2e1ad59f1fca4d1f8a64dcbefe5cc95b
[INFO] running `Command { std: "docker" "start" "-a" "66be685e57a204004c42e7d6e73225ff2e1ad59f1fca4d1f8a64dcbefe5cc95b", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.15.1
[INFO] [stderr]     Checking serde_with v3.15.1
[INFO] [stderr]     Checking halbu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::*`
[INFO] [stdout]    --> src/lib.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |     use crate::utils::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]    --> src/lib.rs:379:27
[INFO] [stdout]     |
[INFO] [stdout] 379 |     use std::{path::Path, time::Duration};
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "66be685e57a204004c42e7d6e73225ff2e1ad59f1fca4d1f8a64dcbefe5cc95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66be685e57a204004c42e7d6e73225ff2e1ad59f1fca4d1f8a64dcbefe5cc95b", kill_on_drop: false }`
[INFO] [stdout] 66be685e57a204004c42e7d6e73225ff2e1ad59f1fca4d1f8a64dcbefe5cc95b