[INFO] cloning repository https://github.com/MurphyWZhu/muLeetCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MurphyWZhu/muLeetCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurphyWZhu%2FmuLeetCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurphyWZhu%2FmuLeetCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48795672bc893a975f188de314538d75159420c6
[INFO] testing MurphyWZhu/muLeetCode 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%2FMurphyWZhu%2FmuLeetCode" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MurphyWZhu/muLeetCode 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/MurphyWZhu/muLeetCode
[INFO] finished tweaking git repo https://github.com/MurphyWZhu/muLeetCode
[INFO] tweaked toml for git repo https://github.com/MurphyWZhu/muLeetCode written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/MurphyWZhu/muLeetCode 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]     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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] a756322de59623bb6ed5698e50b9c362df1aeaa92cc002e70132289656f2f5d3
[INFO] running `Command { std: "docker" "start" "-a" "a756322de59623bb6ed5698e50b9c362df1aeaa92cc002e70132289656f2f5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a756322de59623bb6ed5698e50b9c362df1aeaa92cc002e70132289656f2f5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a756322de59623bb6ed5698e50b9c362df1aeaa92cc002e70132289656f2f5d3", kill_on_drop: false }`
[INFO] [stdout] a756322de59623bb6ed5698e50b9c362df1aeaa92cc002e70132289656f2f5d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] ec9c4e1d34ca20e3f39c1916a9c36ad6c874af287b8c91a40527b317c75a679e
[INFO] running `Command { std: "docker" "start" "-a" "ec9c4e1d34ca20e3f39c1916a9c36ad6c874af287b8c91a40527b317c75a679e", kill_on_drop: false }`
[INFO] [stderr]    Compiling muLeetCode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `muLeetCode` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `mu_leet_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ec9c4e1d34ca20e3f39c1916a9c36ad6c874af287b8c91a40527b317c75a679e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9c4e1d34ca20e3f39c1916a9c36ad6c874af287b8c91a40527b317c75a679e", kill_on_drop: false }`
[INFO] [stdout] ec9c4e1d34ca20e3f39c1916a9c36ad6c874af287b8c91a40527b317c75a679e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 190e50e6a2889bccf70153f6229f07533c441170e9864edcc548377b3474f9ea
[INFO] running `Command { std: "docker" "start" "-a" "190e50e6a2889bccf70153f6229f07533c441170e9864edcc548377b3474f9ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling muLeetCode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `muLeetCode` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `mu_leet_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "190e50e6a2889bccf70153f6229f07533c441170e9864edcc548377b3474f9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190e50e6a2889bccf70153f6229f07533c441170e9864edcc548377b3474f9ea", kill_on_drop: false }`
[INFO] [stdout] 190e50e6a2889bccf70153f6229f07533c441170e9864edcc548377b3474f9ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] a97f8fa2286f8dd3946eaad47f56d1e23f88782fafd9de1ef0ed425817d8d4ec
[INFO] running `Command { std: "docker" "start" "-a" "a97f8fa2286f8dd3946eaad47f56d1e23f88782fafd9de1ef0ed425817d8d4ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: crate `muLeetCode` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mu_leet_code`
[INFO] [stderr] 
[INFO] [stderr] warning: `muLeetCode` (bin "muLeetCode" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/muLeetCode-145eb9ae01b6cd77)
[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" "a97f8fa2286f8dd3946eaad47f56d1e23f88782fafd9de1ef0ed425817d8d4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97f8fa2286f8dd3946eaad47f56d1e23f88782fafd9de1ef0ed425817d8d4ec", kill_on_drop: false }`
[INFO] [stdout] a97f8fa2286f8dd3946eaad47f56d1e23f88782fafd9de1ef0ed425817d8d4ec