[INFO] fetching crate mantis 0.0.1...
[INFO] testing mantis-0.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mantis 0.0.1 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate mantis 0.0.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mantis 0.0.1
[INFO] finished tweaking crates.io crate mantis 0.0.1
[INFO] tweaked toml for crates.io crate mantis 0.0.1 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate mantis 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be389f67de1b4214addfddb1628c68536e2bccdc16165e8c97a6027f5f8662b6
[INFO] running `Command { std: "docker" "start" "-a" "be389f67de1b4214addfddb1628c68536e2bccdc16165e8c97a6027f5f8662b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be389f67de1b4214addfddb1628c68536e2bccdc16165e8c97a6027f5f8662b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be389f67de1b4214addfddb1628c68536e2bccdc16165e8c97a6027f5f8662b6", kill_on_drop: false }`
[INFO] [stdout] be389f67de1b4214addfddb1628c68536e2bccdc16165e8c97a6027f5f8662b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d57e26eb43134cfbb614714cfa50feb87ecefc543fb7077604e6c385374b6a52
[INFO] running `Command { std: "docker" "start" "-a" "d57e26eb43134cfbb614714cfa50feb87ecefc543fb7077604e6c385374b6a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling mantis v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "d57e26eb43134cfbb614714cfa50feb87ecefc543fb7077604e6c385374b6a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57e26eb43134cfbb614714cfa50feb87ecefc543fb7077604e6c385374b6a52", kill_on_drop: false }`
[INFO] [stdout] d57e26eb43134cfbb614714cfa50feb87ecefc543fb7077604e6c385374b6a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88c264e39bae9a8c57ccdf804f3aa82a32871278082c8a1b2b4deb320260b16a
[INFO] running `Command { std: "docker" "start" "-a" "88c264e39bae9a8c57ccdf804f3aa82a32871278082c8a1b2b4deb320260b16a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mantis v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "88c264e39bae9a8c57ccdf804f3aa82a32871278082c8a1b2b4deb320260b16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c264e39bae9a8c57ccdf804f3aa82a32871278082c8a1b2b4deb320260b16a", kill_on_drop: false }`
[INFO] [stdout] 88c264e39bae9a8c57ccdf804f3aa82a32871278082c8a1b2b4deb320260b16a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2c83de19a8f8709f0e3e9048c8a042b027edb685799cbce7a9a161f596cbd62
[INFO] running `Command { std: "docker" "start" "-a" "a2c83de19a8f8709f0e3e9048c8a042b027edb685799cbce7a9a161f596cbd62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mantis-1f525787ad21a64d)
[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" "a2c83de19a8f8709f0e3e9048c8a042b027edb685799cbce7a9a161f596cbd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c83de19a8f8709f0e3e9048c8a042b027edb685799cbce7a9a161f596cbd62", kill_on_drop: false }`
[INFO] [stdout] a2c83de19a8f8709f0e3e9048c8a042b027edb685799cbce7a9a161f596cbd62