[INFO] cloning repository https://github.com/corodiak/Rust_Excercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corodiak/Rust_Excercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 058f4d2499ffbd7d39660fd272bd7f33f07012e1
[INFO] testing corodiak/Rust_Excercises against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corodiak/Rust_Excercises 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/corodiak/Rust_Excercises
[INFO] finished tweaking git repo https://github.com/corodiak/Rust_Excercises
[INFO] tweaked toml for git repo https://github.com/corodiak/Rust_Excercises written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/corodiak/Rust_Excercises 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f418021be1aaf6176ce44d98b8f97d50d781b86efa363e3c1f0b36e6a76317e8
[INFO] running `Command { std: "docker" "start" "-a" "f418021be1aaf6176ce44d98b8f97d50d781b86efa363e3c1f0b36e6a76317e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f418021be1aaf6176ce44d98b8f97d50d781b86efa363e3c1f0b36e6a76317e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f418021be1aaf6176ce44d98b8f97d50d781b86efa363e3c1f0b36e6a76317e8", kill_on_drop: false }`
[INFO] [stdout] f418021be1aaf6176ce44d98b8f97d50d781b86efa363e3c1f0b36e6a76317e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6d292f5076fcfa8413b1da5179a979fe5fd48e32c648d51dc9c083b209b3ead2
[INFO] running `Command { std: "docker" "start" "-a" "6d292f5076fcfa8413b1da5179a979fe5fd48e32c648d51dc9c083b209b3ead2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling excercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "6d292f5076fcfa8413b1da5179a979fe5fd48e32c648d51dc9c083b209b3ead2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d292f5076fcfa8413b1da5179a979fe5fd48e32c648d51dc9c083b209b3ead2", kill_on_drop: false }`
[INFO] [stdout] 6d292f5076fcfa8413b1da5179a979fe5fd48e32c648d51dc9c083b209b3ead2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7601a6512a2445cefd56a7b9caffd3058a63bb43cb173fd8903af7b5de2fcf55
[INFO] running `Command { std: "docker" "start" "-a" "7601a6512a2445cefd56a7b9caffd3058a63bb43cb173fd8903af7b5de2fcf55", kill_on_drop: false }`
[INFO] [stderr]    Compiling excercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "7601a6512a2445cefd56a7b9caffd3058a63bb43cb173fd8903af7b5de2fcf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7601a6512a2445cefd56a7b9caffd3058a63bb43cb173fd8903af7b5de2fcf55", kill_on_drop: false }`
[INFO] [stdout] 7601a6512a2445cefd56a7b9caffd3058a63bb43cb173fd8903af7b5de2fcf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b3dd93de2cc1fd21f8b4c77fbfe80702880d013eadeec976a4cfa98fd866bb8d
[INFO] running `Command { std: "docker" "start" "-a" "b3dd93de2cc1fd21f8b4c77fbfe80702880d013eadeec976a4cfa98fd866bb8d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/excercises-c23155ef001ab7eb)
[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" "b3dd93de2cc1fd21f8b4c77fbfe80702880d013eadeec976a4cfa98fd866bb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3dd93de2cc1fd21f8b4c77fbfe80702880d013eadeec976a4cfa98fd866bb8d", kill_on_drop: false }`
[INFO] [stdout] b3dd93de2cc1fd21f8b4c77fbfe80702880d013eadeec976a4cfa98fd866bb8d