[INFO] cloning repository https://github.com/JamesPatrickGill/peek-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamesPatrickGill/peek-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesPatrickGill%2Fpeek-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesPatrickGill%2Fpeek-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8ba03fc2deb191be744a67dd13f422788e805b6
[INFO] checking JamesPatrickGill/peek-rs against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesPatrickGill%2Fpeek-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JamesPatrickGill/peek-rs on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JamesPatrickGill/peek-rs
[INFO] finished tweaking git repo https://github.com/JamesPatrickGill/peek-rs
[INFO] tweaked toml for git repo https://github.com/JamesPatrickGill/peek-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JamesPatrickGill/peek-rs 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" "+fc545c6b951a304df08b327c158f92678582f435" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dtoa v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b77c12b8b3af1c4f2e24140210b963adf18c03cf4e03fe7c0e7c87dd26d03dd0
[INFO] running `Command { std: "docker" "start" "-a" "b77c12b8b3af1c4f2e24140210b963adf18c03cf4e03fe7c0e7c87dd26d03dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b77c12b8b3af1c4f2e24140210b963adf18c03cf4e03fe7c0e7c87dd26d03dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77c12b8b3af1c4f2e24140210b963adf18c03cf4e03fe7c0e7c87dd26d03dd0", kill_on_drop: false }`
[INFO] [stdout] b77c12b8b3af1c4f2e24140210b963adf18c03cf4e03fe7c0e7c87dd26d03dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 582cfb62cac97a48b7b5548c26ea2f35d500e7ceeab0c89ef0d33a95ab35278d
[INFO] running `Command { std: "docker" "start" "-a" "582cfb62cac97a48b7b5548c26ea2f35d500e7ceeab0c89ef0d33a95ab35278d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking peek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash_map::IntoIter`
[INFO] [stdout]  --> src/generic_collection.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{hash_map::IntoIter, HashMap};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_map::IntoIter`
[INFO] [stdout]  --> src/generic_collection.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{hash_map::IntoIter, HashMap};
[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 4.64s
[INFO] running `Command { std: "docker" "inspect" "582cfb62cac97a48b7b5548c26ea2f35d500e7ceeab0c89ef0d33a95ab35278d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582cfb62cac97a48b7b5548c26ea2f35d500e7ceeab0c89ef0d33a95ab35278d", kill_on_drop: false }`
[INFO] [stdout] 582cfb62cac97a48b7b5548c26ea2f35d500e7ceeab0c89ef0d33a95ab35278d