[INFO] fetching crate duct 0.13.6...
[INFO] checking duct-0.13.6 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate duct 0.13.6 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate duct 0.13.6 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate duct 0.13.6
[INFO] finished tweaking crates.io crate duct 0.13.6
[INFO] tweaked toml for crates.io crate duct 0.13.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate duct 0.13.6 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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
[INFO] [stderr]   Downloaded os_pipe v1.1.2
[INFO] [stderr]   Downloaded windows-sys v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1702a0acdbd2475132d8b0227ea8488d7fe2a24b9bfab07a61513ef2d2ef6767
[INFO] running `Command { std: "docker" "start" "-a" "1702a0acdbd2475132d8b0227ea8488d7fe2a24b9bfab07a61513ef2d2ef6767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1702a0acdbd2475132d8b0227ea8488d7fe2a24b9bfab07a61513ef2d2ef6767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1702a0acdbd2475132d8b0227ea8488d7fe2a24b9bfab07a61513ef2d2ef6767", kill_on_drop: false }`
[INFO] [stdout] 1702a0acdbd2475132d8b0227ea8488d7fe2a24b9bfab07a61513ef2d2ef6767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d15c6256925f98a977f9117d4705cc20870594561d4b85649bfc874d8313218b
[INFO] running `Command { std: "docker" "start" "-a" "d15c6256925f98a977f9117d4705cc20870594561d4b85649bfc874d8313218b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]     Checking os_pipe v1.1.2
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking duct v0.13.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/unix.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     use super::{libc, HandleExt};
[INFO] [stdout]    |                 ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "d15c6256925f98a977f9117d4705cc20870594561d4b85649bfc874d8313218b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15c6256925f98a977f9117d4705cc20870594561d4b85649bfc874d8313218b", kill_on_drop: false }`
[INFO] [stdout] d15c6256925f98a977f9117d4705cc20870594561d4b85649bfc874d8313218b