[INFO] cloning repository https://github.com/dbohn/learn-rust-ls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbohn/learn-rust-ls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbohn%2Flearn-rust-ls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbohn%2Flearn-rust-ls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24b988a0b42ee77b73e25f3aa0e9763b618b8076
[INFO] testing dbohn/learn-rust-ls against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbohn%2Flearn-rust-ls" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbohn/learn-rust-ls on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dbohn/learn-rust-ls
[INFO] finished tweaking git repo https://github.com/dbohn/learn-rust-ls
[INFO] tweaked toml for git repo https://github.com/dbohn/learn-rust-ls written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/dbohn/learn-rust-ls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3a0bd0e8ea75f15891065868ce2486d07869969946fd4fcf055bc8611d5fc2e
[INFO] running `Command { std: "docker" "start" "-a" "d3a0bd0e8ea75f15891065868ce2486d07869969946fd4fcf055bc8611d5fc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3a0bd0e8ea75f15891065868ce2486d07869969946fd4fcf055bc8611d5fc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a0bd0e8ea75f15891065868ce2486d07869969946fd4fcf055bc8611d5fc2e", kill_on_drop: false }`
[INFO] [stdout] d3a0bd0e8ea75f15891065868ce2486d07869969946fd4fcf055bc8611d5fc2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc064f823dd106c79cde31f7c245e9c485b6ebe8bfb379b3fdc03375f7467639
[INFO] running `Command { std: "docker" "start" "-a" "cc064f823dd106c79cde31f7c245e9c485b6ebe8bfb379b3fdc03375f7467639", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.20s
[INFO] running `Command { std: "docker" "inspect" "cc064f823dd106c79cde31f7c245e9c485b6ebe8bfb379b3fdc03375f7467639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc064f823dd106c79cde31f7c245e9c485b6ebe8bfb379b3fdc03375f7467639", kill_on_drop: false }`
[INFO] [stdout] cc064f823dd106c79cde31f7c245e9c485b6ebe8bfb379b3fdc03375f7467639
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e32614a994bd359d9d832466e5e50f7168927a6002e7a4da535a08d620de948
[INFO] running `Command { std: "docker" "start" "-a" "6e32614a994bd359d9d832466e5e50f7168927a6002e7a4da535a08d620de948", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "6e32614a994bd359d9d832466e5e50f7168927a6002e7a4da535a08d620de948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e32614a994bd359d9d832466e5e50f7168927a6002e7a4da535a08d620de948", kill_on_drop: false }`
[INFO] [stdout] 6e32614a994bd359d9d832466e5e50f7168927a6002e7a4da535a08d620de948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 769ebaae755094a001c8a2256f0662c04a494a05943d02d8b40bd02198d978cb
[INFO] running `Command { std: "docker" "start" "-a" "769ebaae755094a001c8a2256f0662c04a494a05943d02d8b40bd02198d978cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.85s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ls-17f80e0e1175e2f5)
[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" "769ebaae755094a001c8a2256f0662c04a494a05943d02d8b40bd02198d978cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769ebaae755094a001c8a2256f0662c04a494a05943d02d8b40bd02198d978cb", kill_on_drop: false }`
[INFO] [stdout] 769ebaae755094a001c8a2256f0662c04a494a05943d02d8b40bd02198d978cb