[INFO] fetching crate try_into_opt 0.1.0...
[INFO] testing try_into_opt-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate try_into_opt 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate try_into_opt 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate try_into_opt 0.1.0
[INFO] finished tweaking crates.io crate try_into_opt 0.1.0
[INFO] tweaked toml for crates.io crate try_into_opt 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 986805bfa36ead750f0b814a1dc57a9b5b4eb557deb91bb5dbac07bd6863ce35
[INFO] running `Command { std: "docker" "start" "-a" "986805bfa36ead750f0b814a1dc57a9b5b4eb557deb91bb5dbac07bd6863ce35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "986805bfa36ead750f0b814a1dc57a9b5b4eb557deb91bb5dbac07bd6863ce35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986805bfa36ead750f0b814a1dc57a9b5b4eb557deb91bb5dbac07bd6863ce35", kill_on_drop: false }`
[INFO] [stdout] 986805bfa36ead750f0b814a1dc57a9b5b4eb557deb91bb5dbac07bd6863ce35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0065dba81becef2b039d690bb19baf1dd2a84f31274052a2bbcc953d7785a82a
[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" "0065dba81becef2b039d690bb19baf1dd2a84f31274052a2bbcc953d7785a82a", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_into_opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "0065dba81becef2b039d690bb19baf1dd2a84f31274052a2bbcc953d7785a82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0065dba81becef2b039d690bb19baf1dd2a84f31274052a2bbcc953d7785a82a", kill_on_drop: false }`
[INFO] [stdout] 0065dba81becef2b039d690bb19baf1dd2a84f31274052a2bbcc953d7785a82a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a320fda4b0aebb751da7664ee4630436bc8641654b467de7fd53eeed4da0c3e3
[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" "a320fda4b0aebb751da7664ee4630436bc8641654b467de7fd53eeed4da0c3e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_into_opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "a320fda4b0aebb751da7664ee4630436bc8641654b467de7fd53eeed4da0c3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a320fda4b0aebb751da7664ee4630436bc8641654b467de7fd53eeed4da0c3e3", kill_on_drop: false }`
[INFO] [stdout] a320fda4b0aebb751da7664ee4630436bc8641654b467de7fd53eeed4da0c3e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 18cdba0dc3d6b345f0514b07fd5c16890a99ba2925b2b2cd33d8f6f9e51e1f08
[INFO] running `Command { std: "docker" "start" "-a" "18cdba0dc3d6b345f0514b07fd5c16890a99ba2925b2b2cd33d8f6f9e51e1f08", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/try_into_opt-232eb75db60c721d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests try_into_opt
[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 1 test
[INFO] [stdout] test src/lib.rs - try_into_opt (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18cdba0dc3d6b345f0514b07fd5c16890a99ba2925b2b2cd33d8f6f9e51e1f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18cdba0dc3d6b345f0514b07fd5c16890a99ba2925b2b2cd33d8f6f9e51e1f08", kill_on_drop: false }`
[INFO] [stdout] 18cdba0dc3d6b345f0514b07fd5c16890a99ba2925b2b2cd33d8f6f9e51e1f08