[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] testing JamesPatrickGill/peek-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesPatrickGill%2Fpeek-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JamesPatrickGill/peek-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-3/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: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71bebd545350f8551c3cf7fb043573b98ba97cd78eb2a4e0a595b5b9691f1792
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71bebd545350f8551c3cf7fb043573b98ba97cd78eb2a4e0a595b5b9691f1792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71bebd545350f8551c3cf7fb043573b98ba97cd78eb2a4e0a595b5b9691f1792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bebd545350f8551c3cf7fb043573b98ba97cd78eb2a4e0a595b5b9691f1792", kill_on_drop: false }`
[INFO] [stdout] 71bebd545350f8551c3cf7fb043573b98ba97cd78eb2a4e0a595b5b9691f1792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c66fff6d8c209d4ae610003e6258d2949a92cd1d853d2caebc1c7bd706a3b85
[INFO] running `Command { std: "docker" "start" "-a" "9c66fff6d8c209d4ae610003e6258d2949a92cd1d853d2caebc1c7bd706a3b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.18s
[INFO] running `Command { std: "docker" "inspect" "9c66fff6d8c209d4ae610003e6258d2949a92cd1d853d2caebc1c7bd706a3b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c66fff6d8c209d4ae610003e6258d2949a92cd1d853d2caebc1c7bd706a3b85", kill_on_drop: false }`
[INFO] [stdout] 9c66fff6d8c209d4ae610003e6258d2949a92cd1d853d2caebc1c7bd706a3b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abcb9f390e466f4e4d56c15075b1fc0e3cf59e856d23ee8e6864e02d90054bde
[INFO] running `Command { std: "docker" "start" "-a" "abcb9f390e466f4e4d56c15075b1fc0e3cf59e856d23ee8e6864e02d90054bde", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "abcb9f390e466f4e4d56c15075b1fc0e3cf59e856d23ee8e6864e02d90054bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abcb9f390e466f4e4d56c15075b1fc0e3cf59e856d23ee8e6864e02d90054bde", kill_on_drop: false }`
[INFO] [stdout] abcb9f390e466f4e4d56c15075b1fc0e3cf59e856d23ee8e6864e02d90054bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b258648bb7b7ad2fe199a8d4ca261a342840bd90074fe6259afbb989760e5f3
[INFO] running `Command { std: "docker" "start" "-a" "5b258648bb7b7ad2fe199a8d4ca261a342840bd90074fe6259afbb989760e5f3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `hash_map::IntoIter`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/generic_collection.rs:1:24
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use std::collections::{hash_map::IntoIter, HashMap};
[INFO] [stdout] 
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `peek` (bin "pk" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pk-7d9fc46504523d38)
[INFO] running `Command { std: "docker" "inspect" "5b258648bb7b7ad2fe199a8d4ca261a342840bd90074fe6259afbb989760e5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b258648bb7b7ad2fe199a8d4ca261a342840bd90074fe6259afbb989760e5f3", kill_on_drop: false }`
[INFO] [stdout] 5b258648bb7b7ad2fe199a8d4ca261a342840bd90074fe6259afbb989760e5f3