[INFO] cloning repository https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drock00/Rustastic--Collections-3-Part-Challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d8afa08d7692ff78a0fc26bc987ecfc78614b94
[INFO] testing drock00/Rustastic--Collections-3-Part-Challenge against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] finished tweaking git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] tweaked toml for git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutation v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4819de57156163b36ba76be806917277b7807a4d8f03a0244b844e629ff53c05
[INFO] running `Command { std: "docker" "start" "-a" "4819de57156163b36ba76be806917277b7807a4d8f03a0244b844e629ff53c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4819de57156163b36ba76be806917277b7807a4d8f03a0244b844e629ff53c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4819de57156163b36ba76be806917277b7807a4d8f03a0244b844e629ff53c05", kill_on_drop: false }`
[INFO] [stdout] 4819de57156163b36ba76be806917277b7807a4d8f03a0244b844e629ff53c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27cbc2561f0ee29a469a52db5e4ca13462104acfb517bc29ebbc285faa4b8c8
[INFO] running `Command { std: "docker" "start" "-a" "a27cbc2561f0ee29a469a52db5e4ca13462104acfb517bc29ebbc285faa4b8c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling permutation v0.2.5
[INFO] [stderr]    Compiling collections_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "a27cbc2561f0ee29a469a52db5e4ca13462104acfb517bc29ebbc285faa4b8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27cbc2561f0ee29a469a52db5e4ca13462104acfb517bc29ebbc285faa4b8c8", kill_on_drop: false }`
[INFO] [stdout] a27cbc2561f0ee29a469a52db5e4ca13462104acfb517bc29ebbc285faa4b8c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a601916cec7e38b9e6137400ce9eba32738c1fc7e7a99b1ad1fc8a1727f7f037
[INFO] running `Command { std: "docker" "start" "-a" "a601916cec7e38b9e6137400ce9eba32738c1fc7e7a99b1ad1fc8a1727f7f037", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling collections_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "a601916cec7e38b9e6137400ce9eba32738c1fc7e7a99b1ad1fc8a1727f7f037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a601916cec7e38b9e6137400ce9eba32738c1fc7e7a99b1ad1fc8a1727f7f037", kill_on_drop: false }`
[INFO] [stdout] a601916cec7e38b9e6137400ce9eba32738c1fc7e7a99b1ad1fc8a1727f7f037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc5178e920541028edec28f07bf2ce93f46dfd31afa1ade46d54d32fec1e09f4
[INFO] running `Command { std: "docker" "start" "-a" "cc5178e920541028edec28f07bf2ce93f46dfd31afa1ade46d54d32fec1e09f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collections_hw-486cb04030d4e036)
[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" "cc5178e920541028edec28f07bf2ce93f46dfd31afa1ade46d54d32fec1e09f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5178e920541028edec28f07bf2ce93f46dfd31afa1ade46d54d32fec1e09f4", kill_on_drop: false }`
[INFO] [stdout] cc5178e920541028edec28f07bf2ce93f46dfd31afa1ade46d54d32fec1e09f4