[INFO] fetching crate halbu 0.1.0...
[INFO] checking halbu-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate halbu 0.1.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate halbu 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3bf8032b2493227429546aaf05be91119c6afec71e1741961f30a4e7a3f3d7b
[INFO] running `Command { std: "docker" "start" "-a" "e3bf8032b2493227429546aaf05be91119c6afec71e1741961f30a4e7a3f3d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3bf8032b2493227429546aaf05be91119c6afec71e1741961f30a4e7a3f3d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bf8032b2493227429546aaf05be91119c6afec71e1741961f30a4e7a3f3d7b", kill_on_drop: false }`
[INFO] [stdout] e3bf8032b2493227429546aaf05be91119c6afec71e1741961f30a4e7a3f3d7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f848ec222f88c7a8c92d80320415386cc65fc52a0eafcacca9f6f6cf60884fd6
[INFO] running `Command { std: "docker" "start" "-a" "f848ec222f88c7a8c92d80320415386cc65fc52a0eafcacca9f6f6cf60884fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_with_macros v3.13.0
[INFO] [stderr]     Checking serde_with v3.13.0
[INFO] [stderr]     Checking csv v1.3.1
[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)]` 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 23.55s
[INFO] running `Command { std: "docker" "inspect" "f848ec222f88c7a8c92d80320415386cc65fc52a0eafcacca9f6f6cf60884fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f848ec222f88c7a8c92d80320415386cc65fc52a0eafcacca9f6f6cf60884fd6", kill_on_drop: false }`
[INFO] [stdout] f848ec222f88c7a8c92d80320415386cc65fc52a0eafcacca9f6f6cf60884fd6