[INFO] fetching crate memoiter 2.0.0...
[INFO] testing memoiter-2.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate memoiter 2.0.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate memoiter 2.0.0 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 memoiter 2.0.0
[INFO] finished tweaking crates.io crate memoiter 2.0.0
[INFO] tweaked toml for crates.io crate memoiter 2.0.0 written to /workspace/builds/worker-77/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] c9de35b08aec3e717a04c6123050b4843d0a6441040d52b4e3abca5f1cfe0c82
[INFO] running `Command { std: "docker" "start" "-a" "c9de35b08aec3e717a04c6123050b4843d0a6441040d52b4e3abca5f1cfe0c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9de35b08aec3e717a04c6123050b4843d0a6441040d52b4e3abca5f1cfe0c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9de35b08aec3e717a04c6123050b4843d0a6441040d52b4e3abca5f1cfe0c82", kill_on_drop: false }`
[INFO] [stdout] c9de35b08aec3e717a04c6123050b4843d0a6441040d52b4e3abca5f1cfe0c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 5d359c22db9582045682a55ba33f2a6a3a36be4f377cffbac471093e92ea334f
[INFO] running `Command { std: "docker" "start" "-a" "5d359c22db9582045682a55ba33f2a6a3a36be4f377cffbac471093e92ea334f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoiter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "5d359c22db9582045682a55ba33f2a6a3a36be4f377cffbac471093e92ea334f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d359c22db9582045682a55ba33f2a6a3a36be4f377cffbac471093e92ea334f", kill_on_drop: false }`
[INFO] [stdout] 5d359c22db9582045682a55ba33f2a6a3a36be4f377cffbac471093e92ea334f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 9367f8f7c4eeac99b4dc17fda0ea5e4005138444e12e5bad0f67ca85414d38fb
[INFO] running `Command { std: "docker" "start" "-a" "9367f8f7c4eeac99b4dc17fda0ea5e4005138444e12e5bad0f67ca85414d38fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoiter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "9367f8f7c4eeac99b4dc17fda0ea5e4005138444e12e5bad0f67ca85414d38fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9367f8f7c4eeac99b4dc17fda0ea5e4005138444e12e5bad0f67ca85414d38fb", kill_on_drop: false }`
[INFO] [stdout] 9367f8f7c4eeac99b4dc17fda0ea5e4005138444e12e5bad0f67ca85414d38fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] b862a07f0e7accf92994c6d7837070415c18965025fd4372e9c1dab8a5b56b01
[INFO] running `Command { std: "docker" "start" "-a" "b862a07f0e7accf92994c6d7837070415c18965025fd4372e9c1dab8a5b56b01", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memoiter-a88921831dc92e26)
[INFO] [stdout] test tests::test_factorial ... ok
[INFO] [stderr]    Doc-tests memoiter
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_prevec ... ok
[INFO] [stdout] test tests::test_slice ... ok
[INFO] [stdout] test tests::test_fibonacci ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - MemoIter (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b862a07f0e7accf92994c6d7837070415c18965025fd4372e9c1dab8a5b56b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b862a07f0e7accf92994c6d7837070415c18965025fd4372e9c1dab8a5b56b01", kill_on_drop: false }`
[INFO] [stdout] b862a07f0e7accf92994c6d7837070415c18965025fd4372e9c1dab8a5b56b01