[INFO] fetching crate optional-index 0.1.0...
[INFO] testing optional-index-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate optional-index 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate optional-index 0.1.0 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 optional-index 0.1.0
[INFO] finished tweaking crates.io crate optional-index 0.1.0
[INFO] tweaked toml for crates.io crate optional-index 0.1.0 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25963d1a77ec0b4bb7b1859ca3ac4bf752c90b6a3feb1cf9da8a7d782a4df213
[INFO] running `Command { std: "docker" "start" "-a" "25963d1a77ec0b4bb7b1859ca3ac4bf752c90b6a3feb1cf9da8a7d782a4df213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25963d1a77ec0b4bb7b1859ca3ac4bf752c90b6a3feb1cf9da8a7d782a4df213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25963d1a77ec0b4bb7b1859ca3ac4bf752c90b6a3feb1cf9da8a7d782a4df213", kill_on_drop: false }`
[INFO] [stdout] 25963d1a77ec0b4bb7b1859ca3ac4bf752c90b6a3feb1cf9da8a7d782a4df213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d1dddc0d3033de6bd0ff4519fbc2f21dd40fc92405c3bb8887ac405e5668f82
[INFO] running `Command { std: "docker" "start" "-a" "7d1dddc0d3033de6bd0ff4519fbc2f21dd40fc92405c3bb8887ac405e5668f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional-index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "7d1dddc0d3033de6bd0ff4519fbc2f21dd40fc92405c3bb8887ac405e5668f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1dddc0d3033de6bd0ff4519fbc2f21dd40fc92405c3bb8887ac405e5668f82", kill_on_drop: false }`
[INFO] [stdout] 7d1dddc0d3033de6bd0ff4519fbc2f21dd40fc92405c3bb8887ac405e5668f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9a355333034b662e0957b77b656563e17eaad7e20bfcc99edf498380f316634
[INFO] running `Command { std: "docker" "start" "-a" "a9a355333034b662e0957b77b656563e17eaad7e20bfcc99edf498380f316634", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling optional-index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/optional_index-5fdeffab964320b6)
[INFO] [stderr]   Executable tests/test.rs (/opt/rustwide/target/debug/deps/test-80e9cebec6843898)
[INFO] running `Command { std: "docker" "inspect" "a9a355333034b662e0957b77b656563e17eaad7e20bfcc99edf498380f316634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a355333034b662e0957b77b656563e17eaad7e20bfcc99edf498380f316634", kill_on_drop: false }`
[INFO] [stdout] a9a355333034b662e0957b77b656563e17eaad7e20bfcc99edf498380f316634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f9678a7b2b3b16553ce2468f35b6859eff7aa9cf25c4ff598278fb6924eee20
[INFO] running `Command { std: "docker" "start" "-a" "0f9678a7b2b3b16553ce2468f35b6859eff7aa9cf25c4ff598278fb6924eee20", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optional_index-5fdeffab964320b6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-80e9cebec6843898)
[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] [stderr]    Doc-tests optional-index
[INFO] [stdout] running 2 tests
[INFO] [stdout] test immutable ... ok
[INFO] [stdout] test mutable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "0f9678a7b2b3b16553ce2468f35b6859eff7aa9cf25c4ff598278fb6924eee20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9678a7b2b3b16553ce2468f35b6859eff7aa9cf25c4ff598278fb6924eee20", kill_on_drop: false }`
[INFO] [stdout] 0f9678a7b2b3b16553ce2468f35b6859eff7aa9cf25c4ff598278fb6924eee20