[INFO] cloning repository https://github.com/davidbegin/messing-with-options
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidbegin/messing-with-options" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbegin%2Fmessing-with-options", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbegin%2Fmessing-with-options'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65e12c190816a8c19eb50e5b7a8a4fad71203260
[INFO] testing davidbegin/messing-with-options against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbegin%2Fmessing-with-options" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidbegin/messing-with-options 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 git repo https://github.com/davidbegin/messing-with-options
[INFO] finished tweaking git repo https://github.com/davidbegin/messing-with-options
[INFO] tweaked toml for git repo https://github.com/davidbegin/messing-with-options written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/davidbegin/messing-with-options 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 04df09c213ab64472ba04de2e75811f24c624fb79cf59d15369f56e38e1a180d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04df09c213ab64472ba04de2e75811f24c624fb79cf59d15369f56e38e1a180d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04df09c213ab64472ba04de2e75811f24c624fb79cf59d15369f56e38e1a180d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04df09c213ab64472ba04de2e75811f24c624fb79cf59d15369f56e38e1a180d", kill_on_drop: false }`
[INFO] [stdout] 04df09c213ab64472ba04de2e75811f24c624fb79cf59d15369f56e38e1a180d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f027b5cab6da64a6e79206f0cc8a93e7d36c819e7b0ce31fdaba7cb50228c16b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f027b5cab6da64a6e79206f0cc8a93e7d36c819e7b0ce31fdaba7cb50228c16b", kill_on_drop: false }`
[INFO] [stderr]    Compiling messin_with_options v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "f027b5cab6da64a6e79206f0cc8a93e7d36c819e7b0ce31fdaba7cb50228c16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f027b5cab6da64a6e79206f0cc8a93e7d36c819e7b0ce31fdaba7cb50228c16b", kill_on_drop: false }`
[INFO] [stdout] f027b5cab6da64a6e79206f0cc8a93e7d36c819e7b0ce31fdaba7cb50228c16b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 71b0f8ddb3422d4e8165a229be8cdaf2337447148d5f9a10ad868373223eda19
[INFO] running `Command { std: "docker" "start" "-a" "71b0f8ddb3422d4e8165a229be8cdaf2337447148d5f9a10ad868373223eda19", kill_on_drop: false }`
[INFO] [stderr]    Compiling messin_with_options v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "71b0f8ddb3422d4e8165a229be8cdaf2337447148d5f9a10ad868373223eda19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b0f8ddb3422d4e8165a229be8cdaf2337447148d5f9a10ad868373223eda19", kill_on_drop: false }`
[INFO] [stdout] 71b0f8ddb3422d4e8165a229be8cdaf2337447148d5f9a10ad868373223eda19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e6b2044331a4e7db33ea32fc49c845e41207f2e80e773b401a96bcbfdb1ca517
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6b2044331a4e7db33ea32fc49c845e41207f2e80e773b401a96bcbfdb1ca517", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/messin_with_options-837d575e8ace2688)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::longest_toolbox_tests::length_returns_0_if_the_vector_is_empty ... ok
[INFO] [stdout] test tests::longest_toolbox_tests::length_returns_the_longest_length ... ok
[INFO] [stdout] test tests::shortest_toolbox_tests::length_returns_0_if_the_vector_is_empty ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/messin_with_options-432ae9594af62381)
[INFO] [stdout] test tests::shortest_toolbox_tests::length_returns_the_shortest_length ... ok
[INFO] [stderr]    Doc-tests messin_with_options
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] [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" "e6b2044331a4e7db33ea32fc49c845e41207f2e80e773b401a96bcbfdb1ca517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b2044331a4e7db33ea32fc49c845e41207f2e80e773b401a96bcbfdb1ca517", kill_on_drop: false }`
[INFO] [stdout] e6b2044331a4e7db33ea32fc49c845e41207f2e80e773b401a96bcbfdb1ca517