[INFO] fetching crate specfn 0.0.0...
[INFO] testing specfn-0.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate specfn 0.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate specfn 0.0.0 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 specfn 0.0.0
[INFO] finished tweaking crates.io crate specfn 0.0.0
[INFO] tweaked toml for crates.io crate specfn 0.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11bff5843cbe2bbe62e4839508026b09de6167d19ba0fbdfa4528077855aee1d
[INFO] running `Command { std: "docker" "start" "-a" "11bff5843cbe2bbe62e4839508026b09de6167d19ba0fbdfa4528077855aee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11bff5843cbe2bbe62e4839508026b09de6167d19ba0fbdfa4528077855aee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bff5843cbe2bbe62e4839508026b09de6167d19ba0fbdfa4528077855aee1d", kill_on_drop: false }`
[INFO] [stdout] 11bff5843cbe2bbe62e4839508026b09de6167d19ba0fbdfa4528077855aee1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0c363d03c6d0210ef5d4a60e93df92acf9eaaf53f0a8ce3adcc0b6a5e26e902
[INFO] running `Command { std: "docker" "start" "-a" "d0c363d03c6d0210ef5d4a60e93df92acf9eaaf53f0a8ce3adcc0b6a5e26e902", kill_on_drop: false }`
[INFO] [stderr]    Compiling specfn v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "d0c363d03c6d0210ef5d4a60e93df92acf9eaaf53f0a8ce3adcc0b6a5e26e902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c363d03c6d0210ef5d4a60e93df92acf9eaaf53f0a8ce3adcc0b6a5e26e902", kill_on_drop: false }`
[INFO] [stdout] d0c363d03c6d0210ef5d4a60e93df92acf9eaaf53f0a8ce3adcc0b6a5e26e902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b8d8ca428bb53d87eb86e4158fc98c3508acc6b15b8c7a2d7d4b217f5467895
[INFO] running `Command { std: "docker" "start" "-a" "5b8d8ca428bb53d87eb86e4158fc98c3508acc6b15b8c7a2d7d4b217f5467895", kill_on_drop: false }`
[INFO] [stderr]    Compiling specfn v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "5b8d8ca428bb53d87eb86e4158fc98c3508acc6b15b8c7a2d7d4b217f5467895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8d8ca428bb53d87eb86e4158fc98c3508acc6b15b8c7a2d7d4b217f5467895", kill_on_drop: false }`
[INFO] [stdout] 5b8d8ca428bb53d87eb86e4158fc98c3508acc6b15b8c7a2d7d4b217f5467895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41025fcd996a5148e14c9539bb07c5488637aca9c9dd44cfd60eb43a0bb666fe
[INFO] running `Command { std: "docker" "start" "-a" "41025fcd996a5148e14c9539bb07c5488637aca9c9dd44cfd60eb43a0bb666fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/specfn-3d2f7de19b39cd2a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests specfn
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "41025fcd996a5148e14c9539bb07c5488637aca9c9dd44cfd60eb43a0bb666fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41025fcd996a5148e14c9539bb07c5488637aca9c9dd44cfd60eb43a0bb666fe", kill_on_drop: false }`
[INFO] [stdout] 41025fcd996a5148e14c9539bb07c5488637aca9c9dd44cfd60eb43a0bb666fe