[INFO] cloning repository https://github.com/rtificr/in
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rtificr/in" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtificr%2Fin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtificr%2Fin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f705da20c90eb31461723e7d6d2911dd6404b80e
[INFO] checking rtificr/in against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtificr%2Fin" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rtificr/in
[INFO] finished tweaking git repo https://github.com/rtificr/in
[INFO] tweaked toml for git repo https://github.com/rtificr/in written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rtificr/in on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rtificr/in 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58a2fa0d74369ff9c73b0e059b1c31a5a3f454814ad46d2d71720085c862a532
[INFO] running `Command { std: "docker" "start" "-a" "58a2fa0d74369ff9c73b0e059b1c31a5a3f454814ad46d2d71720085c862a532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a2fa0d74369ff9c73b0e059b1c31a5a3f454814ad46d2d71720085c862a532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a2fa0d74369ff9c73b0e059b1c31a5a3f454814ad46d2d71720085c862a532", kill_on_drop: false }`
[INFO] [stdout] 58a2fa0d74369ff9c73b0e059b1c31a5a3f454814ad46d2d71720085c862a532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1c36dba8216e8975487364347e984473b48cb06f0c8f098af4f69930f4ea2ac
[INFO] running `Command { std: "docker" "start" "-a" "f1c36dba8216e8975487364347e984473b48cb06f0c8f098af4f69930f4ea2ac", kill_on_drop: false }`
[INFO] [stderr]     Checking in v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[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 0.08s
[INFO] running `Command { std: "docker" "inspect" "f1c36dba8216e8975487364347e984473b48cb06f0c8f098af4f69930f4ea2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c36dba8216e8975487364347e984473b48cb06f0c8f098af4f69930f4ea2ac", kill_on_drop: false }`
[INFO] [stdout] f1c36dba8216e8975487364347e984473b48cb06f0c8f098af4f69930f4ea2ac