[INFO] cloning repository https://github.com/Velfi/failure-fern-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Velfi/failure-fern-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelfi%2Ffailure-fern-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelfi%2Ffailure-fern-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4178a1418c6ca75b0c6b00876303d84233ee0811
[INFO] testing Velfi/failure-fern-example 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%2FVelfi%2Ffailure-fern-example" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Velfi/failure-fern-example 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/Velfi/failure-fern-example
[INFO] finished tweaking git repo https://github.com/Velfi/failure-fern-example
[INFO] tweaked toml for git repo https://github.com/Velfi/failure-fern-example written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Velfi/failure-fern-example 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.6
[INFO] [stderr]   Downloaded fern v0.5.4
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afca3e137e52d5eb090f083949a6e7cefe58534867a4f9801670a6d9401b3ff4
[INFO] running `Command { std: "docker" "start" "-a" "afca3e137e52d5eb090f083949a6e7cefe58534867a4f9801670a6d9401b3ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afca3e137e52d5eb090f083949a6e7cefe58534867a4f9801670a6d9401b3ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afca3e137e52d5eb090f083949a6e7cefe58534867a4f9801670a6d9401b3ff4", kill_on_drop: false }`
[INFO] [stdout] afca3e137e52d5eb090f083949a6e7cefe58534867a4f9801670a6d9401b3ff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ad2e3367a5ffc41cfe018457a7059fd939d917fa784282e6d8b01c376c2ccee2
[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" "ad2e3367a5ffc41cfe018457a7059fd939d917fa784282e6d8b01c376c2ccee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling fern v0.5.4
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling failure-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.95s
[INFO] running `Command { std: "docker" "inspect" "ad2e3367a5ffc41cfe018457a7059fd939d917fa784282e6d8b01c376c2ccee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2e3367a5ffc41cfe018457a7059fd939d917fa784282e6d8b01c376c2ccee2", kill_on_drop: false }`
[INFO] [stdout] ad2e3367a5ffc41cfe018457a7059fd939d917fa784282e6d8b01c376c2ccee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0d8f2f9ad67f7c51ad008acfb6c9d4b83abcf540421de867773a852af3e283e
[INFO] running `Command { std: "docker" "start" "-a" "a0d8f2f9ad67f7c51ad008acfb6c9d4b83abcf540421de867773a852af3e283e", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "a0d8f2f9ad67f7c51ad008acfb6c9d4b83abcf540421de867773a852af3e283e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d8f2f9ad67f7c51ad008acfb6c9d4b83abcf540421de867773a852af3e283e", kill_on_drop: false }`
[INFO] [stdout] a0d8f2f9ad67f7c51ad008acfb6c9d4b83abcf540421de867773a852af3e283e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd8c46487bfdda05142d7388182c165b2962d36fc59df5b27081281d435595d8
[INFO] running `Command { std: "docker" "start" "-a" "cd8c46487bfdda05142d7388182c165b2962d36fc59df5b27081281d435595d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/failure_learn-bd8e216b937036bb)
[INFO] running `Command { std: "docker" "inspect" "cd8c46487bfdda05142d7388182c165b2962d36fc59df5b27081281d435595d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8c46487bfdda05142d7388182c165b2962d36fc59df5b27081281d435595d8", kill_on_drop: false }`
[INFO] [stdout] cd8c46487bfdda05142d7388182c165b2962d36fc59df5b27081281d435595d8