[INFO] fetching crate mememo 0.1.1...
[INFO] testing mememo-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mememo 0.1.1 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate mememo 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mememo 0.1.1
[INFO] finished tweaking crates.io crate mememo 0.1.1
[INFO] tweaked toml for crates.io crate mememo 0.1.1 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 142c2972394a237bd7322e29eed0467ba7aa4a0afe6e1c94351c6efaaa6a69e8
[INFO] running `Command { std: "docker" "start" "-a" "142c2972394a237bd7322e29eed0467ba7aa4a0afe6e1c94351c6efaaa6a69e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "142c2972394a237bd7322e29eed0467ba7aa4a0afe6e1c94351c6efaaa6a69e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142c2972394a237bd7322e29eed0467ba7aa4a0afe6e1c94351c6efaaa6a69e8", kill_on_drop: false }`
[INFO] [stdout] 142c2972394a237bd7322e29eed0467ba7aa4a0afe6e1c94351c6efaaa6a69e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f650b49c54a06ac4db2152a9e8ddea2b9a42c44665a7560d9799ea13073fac33
[INFO] running `Command { std: "docker" "start" "-a" "f650b49c54a06ac4db2152a9e8ddea2b9a42c44665a7560d9799ea13073fac33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mememo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "f650b49c54a06ac4db2152a9e8ddea2b9a42c44665a7560d9799ea13073fac33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f650b49c54a06ac4db2152a9e8ddea2b9a42c44665a7560d9799ea13073fac33", kill_on_drop: false }`
[INFO] [stdout] f650b49c54a06ac4db2152a9e8ddea2b9a42c44665a7560d9799ea13073fac33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dda8b212a160a8de6792239a36393e9fee8cffc990a3a0b0d36f23d568d3238
[INFO] running `Command { std: "docker" "start" "-a" "9dda8b212a160a8de6792239a36393e9fee8cffc990a3a0b0d36f23d568d3238", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mememo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "9dda8b212a160a8de6792239a36393e9fee8cffc990a3a0b0d36f23d568d3238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dda8b212a160a8de6792239a36393e9fee8cffc990a3a0b0d36f23d568d3238", kill_on_drop: false }`
[INFO] [stdout] 9dda8b212a160a8de6792239a36393e9fee8cffc990a3a0b0d36f23d568d3238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c78aaed9b7fd98bc11f09a65886ad229c07f2d7d4c4d6912d8eb0b72eafe53a
[INFO] running `Command { std: "docker" "start" "-a" "2c78aaed9b7fd98bc11f09a65886ad229c07f2d7d4c4d6912d8eb0b72eafe53a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mememo-c25262ea9815182b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib_test.rs (/opt/rustwide/target/debug/deps/lib_test-64f722f882abae4e)
[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 4 tests
[INFO] [stdout] test test_mean_vec ... ok
[INFO] [stdout] test test_median_odd ... ok
[INFO] [stdout] test test_median_even ... ok
[INFO] [stdout] test test_mode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mememo
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - mode (line 72) ... ok
[INFO] [stdout] test src/lib.rs - mean (line 16) ... ok
[INFO] [stdout] test src/lib.rs - median (line 40) ... ok
[INFO] [stdout] test src/lib.rs - median (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c78aaed9b7fd98bc11f09a65886ad229c07f2d7d4c4d6912d8eb0b72eafe53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c78aaed9b7fd98bc11f09a65886ad229c07f2d7d4c4d6912d8eb0b72eafe53a", kill_on_drop: false }`
[INFO] [stdout] 2c78aaed9b7fd98bc11f09a65886ad229c07f2d7d4c4d6912d8eb0b72eafe53a