[INFO] cloning repository https://github.com/nybblesio/mystery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nybblesio/mystery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnybblesio%2Fmystery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnybblesio%2Fmystery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f170331671c5f21ef406603600118ccee921949a
[INFO] testing nybblesio/mystery against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnybblesio%2Fmystery" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nybblesio/mystery on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nybblesio/mystery
[INFO] finished tweaking git repo https://github.com/nybblesio/mystery
[INFO] tweaked toml for git repo https://github.com/nybblesio/mystery written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/nybblesio/mystery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eee32ea33bf35549604442dfb77c398b08e98bb87bdc73119df8eb52ea37268f
[INFO] running `Command { std: "docker" "start" "-a" "eee32ea33bf35549604442dfb77c398b08e98bb87bdc73119df8eb52ea37268f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eee32ea33bf35549604442dfb77c398b08e98bb87bdc73119df8eb52ea37268f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee32ea33bf35549604442dfb77c398b08e98bb87bdc73119df8eb52ea37268f", kill_on_drop: false }`
[INFO] [stdout] eee32ea33bf35549604442dfb77c398b08e98bb87bdc73119df8eb52ea37268f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d64b3de964964ea10334b380063e23e88c14453e7194c384dbc42503c0737c39
[INFO] running `Command { std: "docker" "start" "-a" "d64b3de964964ea10334b380063e23e88c14453e7194c384dbc42503c0737c39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mystery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "d64b3de964964ea10334b380063e23e88c14453e7194c384dbc42503c0737c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64b3de964964ea10334b380063e23e88c14453e7194c384dbc42503c0737c39", kill_on_drop: false }`
[INFO] [stdout] d64b3de964964ea10334b380063e23e88c14453e7194c384dbc42503c0737c39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36690dd801434dfdda20cf8e4e8fec9d68c0ec3b7435a0c8fb74b1aa8e699a05
[INFO] running `Command { std: "docker" "start" "-a" "36690dd801434dfdda20cf8e4e8fec9d68c0ec3b7435a0c8fb74b1aa8e699a05", kill_on_drop: false }`
[INFO] [stderr]    Compiling mystery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "36690dd801434dfdda20cf8e4e8fec9d68c0ec3b7435a0c8fb74b1aa8e699a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36690dd801434dfdda20cf8e4e8fec9d68c0ec3b7435a0c8fb74b1aa8e699a05", kill_on_drop: false }`
[INFO] [stdout] 36690dd801434dfdda20cf8e4e8fec9d68c0ec3b7435a0c8fb74b1aa8e699a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6030d20e60bf7b3287f5f345b22d4aaa5b6c68b3efb98d1a7292fbc2de5b5c2e
[INFO] running `Command { std: "docker" "start" "-a" "6030d20e60bf7b3287f5f345b22d4aaa5b6c68b3efb98d1a7292fbc2de5b5c2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mystery-ade6568b744c1566)
[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" "6030d20e60bf7b3287f5f345b22d4aaa5b6c68b3efb98d1a7292fbc2de5b5c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6030d20e60bf7b3287f5f345b22d4aaa5b6c68b3efb98d1a7292fbc2de5b5c2e", kill_on_drop: false }`
[INFO] [stdout] 6030d20e60bf7b3287f5f345b22d4aaa5b6c68b3efb98d1a7292fbc2de5b5c2e