[INFO] fetching crate two-lock-queue 0.1.1...
[INFO] checking two-lock-queue-0.1.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate two-lock-queue 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate two-lock-queue 0.1.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate two-lock-queue 0.1.1
[INFO] finished tweaking crates.io crate two-lock-queue 0.1.1
[INFO] tweaked toml for crates.io crate two-lock-queue 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5323d979253662e43481b201340444c477102940977dc1cdf6615fe30b21ce09
[INFO] running `Command { std: "docker" "start" "-a" "5323d979253662e43481b201340444c477102940977dc1cdf6615fe30b21ce09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5323d979253662e43481b201340444c477102940977dc1cdf6615fe30b21ce09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5323d979253662e43481b201340444c477102940977dc1cdf6615fe30b21ce09", kill_on_drop: false }`
[INFO] [stdout] 5323d979253662e43481b201340444c477102940977dc1cdf6615fe30b21ce09
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28980be9937531ccc27bb580d8b9873dfa0a57cfddac49e83710cf04510049c4
[INFO] running `Command { std: "docker" "start" "-a" "28980be9937531ccc27bb580d8b9873dfa0a57cfddac49e83710cf04510049c4", kill_on_drop: false }`
[INFO] [stderr]     Checking two-lock-queue v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:702:21
[INFO] [stdout]     |
[INFO] [stdout] 700 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] 701 |     use std::thread;
[INFO] [stdout] 702 |     use std::time::{Duration, Instant};
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:63:9
[INFO] [stdout]     |
[INFO] [stdout] 63  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Instant` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:702:31
[INFO] [stdout]     |
[INFO] [stdout] 700 |     use super::*;
[INFO] [stdout]     |         -------- the item `Instant` is already imported here
[INFO] [stdout] 701 |     use std::thread;
[INFO] [stdout] 702 |     use std::time::{Duration, Instant};
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `two-lock-queue` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "28980be9937531ccc27bb580d8b9873dfa0a57cfddac49e83710cf04510049c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28980be9937531ccc27bb580d8b9873dfa0a57cfddac49e83710cf04510049c4", kill_on_drop: false }`
[INFO] [stdout] 28980be9937531ccc27bb580d8b9873dfa0a57cfddac49e83710cf04510049c4