[INFO] fetching crate match_opt 0.1.2...
[INFO] testing match_opt-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate match_opt 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate match_opt 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate match_opt 0.1.2
[INFO] finished tweaking crates.io crate match_opt 0.1.2
[INFO] tweaked toml for crates.io crate match_opt 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2b9a21701d483d714660e60708f1029a9c95910e5ca5d5d63b316b77e82879b
[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" "b2b9a21701d483d714660e60708f1029a9c95910e5ca5d5d63b316b77e82879b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2b9a21701d483d714660e60708f1029a9c95910e5ca5d5d63b316b77e82879b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b9a21701d483d714660e60708f1029a9c95910e5ca5d5d63b316b77e82879b", kill_on_drop: false }`
[INFO] [stdout] b2b9a21701d483d714660e60708f1029a9c95910e5ca5d5d63b316b77e82879b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 0c2edd3b5e87815829e5b63804ec38d79470b8e1d163e103df1a4904b542535b
[INFO] running `Command { std: "docker" "start" "-a" "0c2edd3b5e87815829e5b63804ec38d79470b8e1d163e103df1a4904b542535b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling match_opt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "0c2edd3b5e87815829e5b63804ec38d79470b8e1d163e103df1a4904b542535b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2edd3b5e87815829e5b63804ec38d79470b8e1d163e103df1a4904b542535b", kill_on_drop: false }`
[INFO] [stdout] 0c2edd3b5e87815829e5b63804ec38d79470b8e1d163e103df1a4904b542535b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 9293fb58a5a3925d0e25c3ab57d014c158c97955e12742ec9888d1976b298e70
[INFO] running `Command { std: "docker" "start" "-a" "9293fb58a5a3925d0e25c3ab57d014c158c97955e12742ec9888d1976b298e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling match_opt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/match_opt-840204c4cd486455)
[INFO] running `Command { std: "docker" "inspect" "9293fb58a5a3925d0e25c3ab57d014c158c97955e12742ec9888d1976b298e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9293fb58a5a3925d0e25c3ab57d014c158c97955e12742ec9888d1976b298e70", kill_on_drop: false }`
[INFO] [stdout] 9293fb58a5a3925d0e25c3ab57d014c158c97955e12742ec9888d1976b298e70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 61da10f5bafbc164d25a1cd3a7f6da2b0e63e9e3cce3819a1fd562379b63236d
[INFO] running `Command { std: "docker" "start" "-a" "61da10f5bafbc164d25a1cd3a7f6da2b0e63e9e3cce3819a1fd562379b63236d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/match_opt-840204c4cd486455)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::cond_opt_positive_many ... ok
[INFO] [stdout] test tests::cond_opt_positive_one ... ok
[INFO] [stdout] test tests::cond_opt_positive_none ... ok
[INFO] [stdout] test tests::cond_opt_positive_several ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests match_opt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - match_opt (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61da10f5bafbc164d25a1cd3a7f6da2b0e63e9e3cce3819a1fd562379b63236d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61da10f5bafbc164d25a1cd3a7f6da2b0e63e9e3cce3819a1fd562379b63236d", kill_on_drop: false }`
[INFO] [stdout] 61da10f5bafbc164d25a1cd3a7f6da2b0e63e9e3cce3819a1fd562379b63236d