[INFO] cloning repository https://github.com/mwing/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/mwing/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwing%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwing%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6995c82beabea1a564e29601ae0797928b472a9
[INFO] testing mwing/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%2Fmwing%2Frust-learning" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwing/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/mwing/rust-learning
[INFO] finished tweaking git repo https://github.com/mwing/rust-learning
[INFO] tweaked toml for git repo https://github.com/mwing/rust-learning written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/mwing/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 7b585fae191baa817813ee2d67326b1126ac5c220f22bce4ccb0df7569039829
[INFO] running `Command { std: "docker" "start" "-a" "7b585fae191baa817813ee2d67326b1126ac5c220f22bce4ccb0df7569039829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b585fae191baa817813ee2d67326b1126ac5c220f22bce4ccb0df7569039829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b585fae191baa817813ee2d67326b1126ac5c220f22bce4ccb0df7569039829", kill_on_drop: false }`
[INFO] [stdout] 7b585fae191baa817813ee2d67326b1126ac5c220f22bce4ccb0df7569039829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 43db4200b1557cd11fa94713895cc264e7948e7ddc76cf1c5d77bafad9fe3966
[INFO] running `Command { std: "docker" "start" "-a" "43db4200b1557cd11fa94713895cc264e7948e7ddc76cf1c5d77bafad9fe3966", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.12
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "43db4200b1557cd11fa94713895cc264e7948e7ddc76cf1c5d77bafad9fe3966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43db4200b1557cd11fa94713895cc264e7948e7ddc76cf1c5d77bafad9fe3966", kill_on_drop: false }`
[INFO] [stdout] 43db4200b1557cd11fa94713895cc264e7948e7ddc76cf1c5d77bafad9fe3966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] c4ccdf159e96f3349dc51e5501b23e9f1e85bcb2439d64c1885b170fda57dccb
[INFO] running `Command { std: "docker" "start" "-a" "c4ccdf159e96f3349dc51e5501b23e9f1e85bcb2439d64c1885b170fda57dccb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-75f122fb4e824d31)
[INFO] running `Command { std: "docker" "inspect" "c4ccdf159e96f3349dc51e5501b23e9f1e85bcb2439d64c1885b170fda57dccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ccdf159e96f3349dc51e5501b23e9f1e85bcb2439d64c1885b170fda57dccb", kill_on_drop: false }`
[INFO] [stdout] c4ccdf159e96f3349dc51e5501b23e9f1e85bcb2439d64c1885b170fda57dccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 9d133eadf4193be9d46b283ef6dcf1baccd0ce86443845b77f2bc33c74154c4c
[INFO] running `Command { std: "docker" "start" "-a" "9d133eadf4193be9d46b283ef6dcf1baccd0ce86443845b77f2bc33c74154c4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-75f122fb4e824d31)
[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" "9d133eadf4193be9d46b283ef6dcf1baccd0ce86443845b77f2bc33c74154c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d133eadf4193be9d46b283ef6dcf1baccd0ce86443845b77f2bc33c74154c4c", kill_on_drop: false }`
[INFO] [stdout] 9d133eadf4193be9d46b283ef6dcf1baccd0ce86443845b77f2bc33c74154c4c