[INFO] cloning repository https://github.com/octowaddle/pier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/octowaddle/pier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctowaddle%2Fpier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctowaddle%2Fpier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48cd633da589b3f8d910bf648b916fa291158bac
[INFO] testing octowaddle/pier against 1.61.0 for beta-1.62-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctowaddle%2Fpier" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/octowaddle/pier on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/octowaddle/pier
[INFO] finished tweaking git repo https://github.com/octowaddle/pier
[INFO] tweaked toml for git repo https://github.com/octowaddle/pier written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/octowaddle/pier already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8fe849a4dd282380a63814cb3613802da76e372de39f12ea1bac4d9988b7f84
[INFO] running `Command { std: "docker" "start" "-a" "c8fe849a4dd282380a63814cb3613802da76e372de39f12ea1bac4d9988b7f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8fe849a4dd282380a63814cb3613802da76e372de39f12ea1bac4d9988b7f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fe849a4dd282380a63814cb3613802da76e372de39f12ea1bac4d9988b7f84", kill_on_drop: false }`
[INFO] [stdout] c8fe849a4dd282380a63814cb3613802da76e372de39f12ea1bac4d9988b7f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 764f21e97effad3ed34cc4d4fc075f568c9541b3383a2bb4eb01785251a43856
[INFO] running `Command { std: "docker" "start" "-a" "764f21e97effad3ed34cc4d4fc075f568c9541b3383a2bb4eb01785251a43856", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling pier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `option`, `self`
[INFO] [stdout]  --> src/main.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, path::{Path, PathBuf}, io::{Write, self}, ffi::OsStr, ops::Index, option};
[INFO] [stdout]   |                                                     ^^^^^  ^^^^                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/main.rs:2:79
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, path::{Path, PathBuf}, io::{Write, self}, ffi::OsStr, ops::Index, option};
[INFO] [stdout]   |                                                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.70s
[INFO] running `Command { std: "docker" "inspect" "764f21e97effad3ed34cc4d4fc075f568c9541b3383a2bb4eb01785251a43856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764f21e97effad3ed34cc4d4fc075f568c9541b3383a2bb4eb01785251a43856", kill_on_drop: false }`
[INFO] [stdout] 764f21e97effad3ed34cc4d4fc075f568c9541b3383a2bb4eb01785251a43856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6af8b909158dd3b8b7d78b14fe4c35672abd827014b5475494ed37e4f56624d
[INFO] running `Command { std: "docker" "start" "-a" "a6af8b909158dd3b8b7d78b14fe4c35672abd827014b5475494ed37e4f56624d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `option`, `self`
[INFO] [stdout]  --> src/main.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, path::{Path, PathBuf}, io::{Write, self}, ffi::OsStr, ops::Index, option};
[INFO] [stdout]   |                                                     ^^^^^  ^^^^                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/main.rs:2:79
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, path::{Path, PathBuf}, io::{Write, self}, ffi::OsStr, ops::Index, option};
[INFO] [stdout]   |                                                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/pier-9f896ed6a3646b4c)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/pier-fe8ea08581e6c6c8)
[INFO] running `Command { std: "docker" "inspect" "a6af8b909158dd3b8b7d78b14fe4c35672abd827014b5475494ed37e4f56624d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6af8b909158dd3b8b7d78b14fe4c35672abd827014b5475494ed37e4f56624d", kill_on_drop: false }`
[INFO] [stdout] a6af8b909158dd3b8b7d78b14fe4c35672abd827014b5475494ed37e4f56624d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d778793948f621cc9eac8ff889b7ac73d7d40b13de084a635f1f5368189844a
[INFO] running `Command { std: "docker" "start" "-a" "8d778793948f621cc9eac8ff889b7ac73d7d40b13de084a635f1f5368189844a", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Write`, `option`, `self`
[INFO] [stderr]  --> src/main.rs:2:53
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{error::Error, path::{Path, PathBuf}, io::{Write, self}, ffi::OsStr, ops::Index, option};
[INFO] [stderr]   |                                                     ^^^^^  ^^^^                           ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Index`
[INFO] [stderr]  --> src/main.rs:2:79
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{error::Error, path::{Path, PathBuf}, io::{Write, self}, ffi::OsStr, ops::Index, option};
[INFO] [stderr]   |                                                                               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pier` (bin "pier" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pier-9f896ed6a3646b4c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test command::tests::check_unavailable_command ... ok
[INFO] [stdout] test command::tests::check_spawn_echo ... ok
[INFO] [stdout] test command::tests::check_available_command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pier-fe8ea08581e6c6c8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pier
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d778793948f621cc9eac8ff889b7ac73d7d40b13de084a635f1f5368189844a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d778793948f621cc9eac8ff889b7ac73d7d40b13de084a635f1f5368189844a", kill_on_drop: false }`
[INFO] [stdout] 8d778793948f621cc9eac8ff889b7ac73d7d40b13de084a635f1f5368189844a