[INFO] fetching crate me-cell 0.1.0...
[INFO] testing me-cell-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate me-cell 0.1.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate me-cell 0.1.0 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 crates.io crate me-cell 0.1.0
[INFO] finished tweaking crates.io crate me-cell 0.1.0
[INFO] tweaked toml for crates.io crate me-cell 0.1.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 949cb080bba639d4ea02f525a8ee50e4b578d4e4f00843c3879e0726fd7064cf
[INFO] running `Command { std: "docker" "start" "-a" "949cb080bba639d4ea02f525a8ee50e4b578d4e4f00843c3879e0726fd7064cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "949cb080bba639d4ea02f525a8ee50e4b578d4e4f00843c3879e0726fd7064cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949cb080bba639d4ea02f525a8ee50e4b578d4e4f00843c3879e0726fd7064cf", kill_on_drop: false }`
[INFO] [stdout] 949cb080bba639d4ea02f525a8ee50e4b578d4e4f00843c3879e0726fd7064cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 9dd92f1316185fef9abd2ac05c2634deaa9455865516bf43da5bb2d60c4892e2
[INFO] running `Command { std: "docker" "start" "-a" "9dd92f1316185fef9abd2ac05c2634deaa9455865516bf43da5bb2d60c4892e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling me-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "9dd92f1316185fef9abd2ac05c2634deaa9455865516bf43da5bb2d60c4892e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd92f1316185fef9abd2ac05c2634deaa9455865516bf43da5bb2d60c4892e2", kill_on_drop: false }`
[INFO] [stdout] 9dd92f1316185fef9abd2ac05c2634deaa9455865516bf43da5bb2d60c4892e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] a10b0d521928a979f82d7aa297c1c7875f8dee37196cfc658357ba338bfebbeb
[INFO] running `Command { std: "docker" "start" "-a" "a10b0d521928a979f82d7aa297c1c7875f8dee37196cfc658357ba338bfebbeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling me-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "a10b0d521928a979f82d7aa297c1c7875f8dee37196cfc658357ba338bfebbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10b0d521928a979f82d7aa297c1c7875f8dee37196cfc658357ba338bfebbeb", kill_on_drop: false }`
[INFO] [stdout] a10b0d521928a979f82d7aa297c1c7875f8dee37196cfc658357ba338bfebbeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] b5d68a569a1aad64e82d56e3eec44e8817e4fc80d6753f8439e4a5d22d8135c7
[INFO] running `Command { std: "docker" "start" "-a" "b5d68a569a1aad64e82d56e3eec44e8817e4fc80d6753f8439e4a5d22d8135c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/me_cell-d4b05149b6aa385f)
[INFO] [stderr]    Doc-tests me-cell
[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" "b5d68a569a1aad64e82d56e3eec44e8817e4fc80d6753f8439e4a5d22d8135c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d68a569a1aad64e82d56e3eec44e8817e4fc80d6753f8439e4a5d22d8135c7", kill_on_drop: false }`
[INFO] [stdout] b5d68a569a1aad64e82d56e3eec44e8817e4fc80d6753f8439e4a5d22d8135c7