[INFO] cloning repository https://github.com/jbevarts/rustPlayground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbevarts/rustPlayground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbevarts%2FrustPlayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbevarts%2FrustPlayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e8f226403894fa743af39387a891d286ca6f0d0
[INFO] testing jbevarts/rustPlayground against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbevarts%2FrustPlayground" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbevarts/rustPlayground on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbevarts/rustPlayground
[INFO] finished tweaking git repo https://github.com/jbevarts/rustPlayground
[INFO] tweaked toml for git repo https://github.com/jbevarts/rustPlayground written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/jbevarts/rustPlayground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83d6136fd1130a798343e8eaf9d59eeb91ef9d45fe4aab80777479d733b8e1c7
[INFO] running `Command { std: "docker" "start" "-a" "83d6136fd1130a798343e8eaf9d59eeb91ef9d45fe4aab80777479d733b8e1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83d6136fd1130a798343e8eaf9d59eeb91ef9d45fe4aab80777479d733b8e1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d6136fd1130a798343e8eaf9d59eeb91ef9d45fe4aab80777479d733b8e1c7", kill_on_drop: false }`
[INFO] [stdout] 83d6136fd1130a798343e8eaf9d59eeb91ef9d45fe4aab80777479d733b8e1c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 876484c78d2bfee65a2fc66d43dafd0eb2a89d595d98ea80b2e6c3e8f9e58b0e
[INFO] running `Command { std: "docker" "start" "-a" "876484c78d2bfee65a2fc66d43dafd0eb2a89d595d98ea80b2e6c3e8f9e58b0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "876484c78d2bfee65a2fc66d43dafd0eb2a89d595d98ea80b2e6c3e8f9e58b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876484c78d2bfee65a2fc66d43dafd0eb2a89d595d98ea80b2e6c3e8f9e58b0e", kill_on_drop: false }`
[INFO] [stdout] 876484c78d2bfee65a2fc66d43dafd0eb2a89d595d98ea80b2e6c3e8f9e58b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06cee606bc6e23193292b0227c2f1f2ca7b539bab5240cebf9a3829d5ad7060c
[INFO] running `Command { std: "docker" "start" "-a" "06cee606bc6e23193292b0227c2f1f2ca7b539bab5240cebf9a3829d5ad7060c", kill_on_drop: false }`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "06cee606bc6e23193292b0227c2f1f2ca7b539bab5240cebf9a3829d5ad7060c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cee606bc6e23193292b0227c2f1f2ca7b539bab5240cebf9a3829d5ad7060c", kill_on_drop: false }`
[INFO] [stdout] 06cee606bc6e23193292b0227c2f1f2ca7b539bab5240cebf9a3829d5ad7060c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea423543ffc36cbdccb7443460bc33265e9f3c4ffb442a9b55b1db102c206838
[INFO] running `Command { std: "docker" "start" "-a" "ea423543ffc36cbdccb7443460bc33265e9f3c4ffb442a9b55b1db102c206838", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/playground-28c719ff76e14141)
[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" "ea423543ffc36cbdccb7443460bc33265e9f3c4ffb442a9b55b1db102c206838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea423543ffc36cbdccb7443460bc33265e9f3c4ffb442a9b55b1db102c206838", kill_on_drop: false }`
[INFO] [stdout] ea423543ffc36cbdccb7443460bc33265e9f3c4ffb442a9b55b1db102c206838