[INFO] cloning repository https://github.com/kindlychung/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kindlychung/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkindlychung%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkindlychung%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea2657d0388bd22bcb88cd6a76370b5ade6f1e30
[INFO] testing kindlychung/learn_rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkindlychung%2Flearn_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kindlychung/learn_rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kindlychung/learn_rust
[INFO] finished tweaking git repo https://github.com/kindlychung/learn_rust
[INFO] tweaked toml for git repo https://github.com/kindlychung/learn_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/kindlychung/learn_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c4c8b74a35652db1f4aee63a38af25c2186a69d6ac4a8c4d180305c00f9ae08
[INFO] running `Command { std: "docker" "start" "-a" "5c4c8b74a35652db1f4aee63a38af25c2186a69d6ac4a8c4d180305c00f9ae08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c4c8b74a35652db1f4aee63a38af25c2186a69d6ac4a8c4d180305c00f9ae08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4c8b74a35652db1f4aee63a38af25c2186a69d6ac4a8c4d180305c00f9ae08", kill_on_drop: false }`
[INFO] [stdout] 5c4c8b74a35652db1f4aee63a38af25c2186a69d6ac4a8c4d180305c00f9ae08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bfaa5606df7f2634d310c53dea0a86cfce54ce78c62aa39899c1aeee9a758cd
[INFO] running `Command { std: "docker" "start" "-a" "4bfaa5606df7f2634d310c53dea0a86cfce54ce78c62aa39899c1aeee9a758cd", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] [stderr]    Compiling libc v0.2.9
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "4bfaa5606df7f2634d310c53dea0a86cfce54ce78c62aa39899c1aeee9a758cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bfaa5606df7f2634d310c53dea0a86cfce54ce78c62aa39899c1aeee9a758cd", kill_on_drop: false }`
[INFO] [stdout] 4bfaa5606df7f2634d310c53dea0a86cfce54ce78c62aa39899c1aeee9a758cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fedf75383b70d8a72991cef28609629583cd926ec45cfc142f13739d5927f30c
[INFO] running `Command { std: "docker" "start" "-a" "fedf75383b70d8a72991cef28609629583cd926ec45cfc142f13739d5927f30c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "fedf75383b70d8a72991cef28609629583cd926ec45cfc142f13739d5927f30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedf75383b70d8a72991cef28609629583cd926ec45cfc142f13739d5927f30c", kill_on_drop: false }`
[INFO] [stdout] fedf75383b70d8a72991cef28609629583cd926ec45cfc142f13739d5927f30c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d7838b8fffcd4f03e0615a681416ae4982b9e191eb5c61c800653ac7a43ab24
[INFO] running `Command { std: "docker" "start" "-a" "9d7838b8fffcd4f03e0615a681416ae4982b9e191eb5c61c800653ac7a43ab24", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_rust-1ff2839010a0133d)
[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" "9d7838b8fffcd4f03e0615a681416ae4982b9e191eb5c61c800653ac7a43ab24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7838b8fffcd4f03e0615a681416ae4982b9e191eb5c61c800653ac7a43ab24", kill_on_drop: false }`
[INFO] [stdout] 9d7838b8fffcd4f03e0615a681416ae4982b9e191eb5c61c800653ac7a43ab24