[INFO] cloning repository https://github.com/tyanakaz/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyanakaz/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyanakaz%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyanakaz%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1db519dd3c175ae51cdf4c4e43c735525bfd7e7f
[INFO] testing tyanakaz/rust-learning against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyanakaz%2Frust-learning" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyanakaz/rust-learning on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyanakaz/rust-learning
[INFO] finished tweaking git repo https://github.com/tyanakaz/rust-learning
[INFO] tweaked toml for git repo https://github.com/tyanakaz/rust-learning written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tyanakaz/rust-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5da33514acf5d252d7ecbcf080e9814ecec6ab0fdcca7a2ec0657aa30aa15916
[INFO] running `Command { std: "docker" "start" "-a" "5da33514acf5d252d7ecbcf080e9814ecec6ab0fdcca7a2ec0657aa30aa15916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5da33514acf5d252d7ecbcf080e9814ecec6ab0fdcca7a2ec0657aa30aa15916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da33514acf5d252d7ecbcf080e9814ecec6ab0fdcca7a2ec0657aa30aa15916", kill_on_drop: false }`
[INFO] [stdout] 5da33514acf5d252d7ecbcf080e9814ecec6ab0fdcca7a2ec0657aa30aa15916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea05adb1a2cd09a4cfdee06ed9bb2baf15ffc0ac2b4ff81c942b1b6538407cdc
[INFO] running `Command { std: "docker" "start" "-a" "ea05adb1a2cd09a4cfdee06ed9bb2baf15ffc0ac2b4ff81c942b1b6538407cdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "ea05adb1a2cd09a4cfdee06ed9bb2baf15ffc0ac2b4ff81c942b1b6538407cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea05adb1a2cd09a4cfdee06ed9bb2baf15ffc0ac2b4ff81c942b1b6538407cdc", kill_on_drop: false }`
[INFO] [stdout] ea05adb1a2cd09a4cfdee06ed9bb2baf15ffc0ac2b4ff81c942b1b6538407cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65825cc449985ecb4e210c7079b3ac7709d6cd87652806e03bef1948258ff504
[INFO] running `Command { std: "docker" "start" "-a" "65825cc449985ecb4e210c7079b3ac7709d6cd87652806e03bef1948258ff504", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learning-b72e45504e910010)
[INFO] running `Command { std: "docker" "inspect" "65825cc449985ecb4e210c7079b3ac7709d6cd87652806e03bef1948258ff504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65825cc449985ecb4e210c7079b3ac7709d6cd87652806e03bef1948258ff504", kill_on_drop: false }`
[INFO] [stdout] 65825cc449985ecb4e210c7079b3ac7709d6cd87652806e03bef1948258ff504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76afe0c2d5c09be628d05c1e103f5a7f83633f7781c44cb7f885d1c682a35672
[INFO] running `Command { std: "docker" "start" "-a" "76afe0c2d5c09be628d05c1e103f5a7f83633f7781c44cb7f885d1c682a35672", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learning-b72e45504e910010)
[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" "76afe0c2d5c09be628d05c1e103f5a7f83633f7781c44cb7f885d1c682a35672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76afe0c2d5c09be628d05c1e103f5a7f83633f7781c44cb7f885d1c682a35672", kill_on_drop: false }`
[INFO] [stdout] 76afe0c2d5c09be628d05c1e103f5a7f83633f7781c44cb7f885d1c682a35672