[INFO] cloning repository https://github.com/Alumin112/challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alumin112/challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlumin112%2Fchallenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlumin112%2Fchallenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 247c611b6f595fc0226f958d5dc67d6fb7620714
[INFO] testing Alumin112/challenges against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlumin112%2Fchallenges" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alumin112/challenges on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alumin112/challenges
[INFO] finished tweaking git repo https://github.com/Alumin112/challenges
[INFO] tweaked toml for git repo https://github.com/Alumin112/challenges written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/Alumin112/challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5772913a550edb7ecd17ec0ac4550a599dbf933fe67a944df60ab77b1b2a7a18
[INFO] running `Command { std: "docker" "start" "-a" "5772913a550edb7ecd17ec0ac4550a599dbf933fe67a944df60ab77b1b2a7a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5772913a550edb7ecd17ec0ac4550a599dbf933fe67a944df60ab77b1b2a7a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5772913a550edb7ecd17ec0ac4550a599dbf933fe67a944df60ab77b1b2a7a18", kill_on_drop: false }`
[INFO] [stdout] 5772913a550edb7ecd17ec0ac4550a599dbf933fe67a944df60ab77b1b2a7a18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12121f1117f2d49d963ff1330bf34fba8306b5038d33f6c494028de36df427d
[INFO] running `Command { std: "docker" "start" "-a" "a12121f1117f2d49d963ff1330bf34fba8306b5038d33f6c494028de36df427d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "a12121f1117f2d49d963ff1330bf34fba8306b5038d33f6c494028de36df427d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12121f1117f2d49d963ff1330bf34fba8306b5038d33f6c494028de36df427d", kill_on_drop: false }`
[INFO] [stdout] a12121f1117f2d49d963ff1330bf34fba8306b5038d33f6c494028de36df427d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 727a0216c8c2feb7ac946337ecf3ee202e376f3a72501073f261f9d17b4bc164
[INFO] running `Command { std: "docker" "start" "-a" "727a0216c8c2feb7ac946337ecf3ee202e376f3a72501073f261f9d17b4bc164", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "727a0216c8c2feb7ac946337ecf3ee202e376f3a72501073f261f9d17b4bc164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727a0216c8c2feb7ac946337ecf3ee202e376f3a72501073f261f9d17b4bc164", kill_on_drop: false }`
[INFO] [stdout] 727a0216c8c2feb7ac946337ecf3ee202e376f3a72501073f261f9d17b4bc164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76a0ca663f13200f50a6cad62959d7b16ab2a79d402a29e83f4129858273db7f
[INFO] running `Command { std: "docker" "start" "-a" "76a0ca663f13200f50a6cad62959d7b16ab2a79d402a29e83f4129858273db7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/challenges-0b2bef06df4cdf4c)
[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" "76a0ca663f13200f50a6cad62959d7b16ab2a79d402a29e83f4129858273db7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a0ca663f13200f50a6cad62959d7b16ab2a79d402a29e83f4129858273db7f", kill_on_drop: false }`
[INFO] [stdout] 76a0ca663f13200f50a6cad62959d7b16ab2a79d402a29e83f4129858273db7f