[INFO] fetching crate iterlower 1.0.1...
[INFO] testing iterlower-1.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate iterlower 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate iterlower 1.0.1 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 iterlower 1.0.1
[INFO] finished tweaking crates.io crate iterlower 1.0.1
[INFO] tweaked toml for crates.io crate iterlower 1.0.1 written to /workspace/builds/worker-7/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]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-category v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-hangul v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-common v0.9.0
[INFO] [stderr]   Downloaded unic-ucd v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-block v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-name_aliases v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-normal v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-name v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-case v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-ident v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 10115b85c8f56486efacb9f0a1f55b0f0eb6474cb6c708713158fe378c4559c6
[INFO] running `Command { std: "docker" "start" "-a" "10115b85c8f56486efacb9f0a1f55b0f0eb6474cb6c708713158fe378c4559c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10115b85c8f56486efacb9f0a1f55b0f0eb6474cb6c708713158fe378c4559c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10115b85c8f56486efacb9f0a1f55b0f0eb6474cb6c708713158fe378c4559c6", kill_on_drop: false }`
[INFO] [stdout] 10115b85c8f56486efacb9f0a1f55b0f0eb6474cb6c708713158fe378c4559c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] aed5d6838dd0259e824effe05ff82dc63802c175438dc8eabf9a278dae12ab5a
[INFO] running `Command { std: "docker" "start" "-a" "aed5d6838dd0259e824effe05ff82dc63802c175438dc8eabf9a278dae12ab5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-hangul v0.9.0
[INFO] [stderr]    Compiling unic-ucd-category v0.9.0
[INFO] [stderr]    Compiling unic-ucd-common v0.9.0
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name_aliases v0.9.0
[INFO] [stderr]    Compiling unic-ucd-case v0.9.0
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling unic-ucd-age v0.9.0
[INFO] [stderr]    Compiling unic-ucd-block v0.9.0
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name v0.9.0
[INFO] [stderr]    Compiling unic-ucd-normal v0.9.0
[INFO] [stderr]    Compiling unic-ucd v0.9.0
[INFO] [stderr]    Compiling iterlower v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   continue;;
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.33s
[INFO] running `Command { std: "docker" "inspect" "aed5d6838dd0259e824effe05ff82dc63802c175438dc8eabf9a278dae12ab5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed5d6838dd0259e824effe05ff82dc63802c175438dc8eabf9a278dae12ab5a", kill_on_drop: false }`
[INFO] [stdout] aed5d6838dd0259e824effe05ff82dc63802c175438dc8eabf9a278dae12ab5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1c90d9f0134ea7d4e81d9fc8ea958286d8b16e2835503accc631198451c86072
[INFO] running `Command { std: "docker" "start" "-a" "1c90d9f0134ea7d4e81d9fc8ea958286d8b16e2835503accc631198451c86072", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iterlower v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   continue;;
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   continue;;
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "1c90d9f0134ea7d4e81d9fc8ea958286d8b16e2835503accc631198451c86072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c90d9f0134ea7d4e81d9fc8ea958286d8b16e2835503accc631198451c86072", kill_on_drop: false }`
[INFO] [stdout] 1c90d9f0134ea7d4e81d9fc8ea958286d8b16e2835503accc631198451c86072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] be8cdffcfe273d3e155e67c4dcc16320d4e62b04fa1cff3c0d017caa859e8e5f
[INFO] running `Command { std: "docker" "start" "-a" "be8cdffcfe273d3e155e67c4dcc16320d4e62b04fa1cff3c0d017caa859e8e5f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lib.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...                   continue;;
[INFO] [stderr]    |                                ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `iterlower` (lib) generated 1 warning
[INFO] [stderr] warning: `iterlower` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iterlower-e146a31face9f257)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_i ... ok
[INFO] [stdout] test tests::test_uncased ... ok
[INFO] [stdout] test tests::test_sigma ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iterlower
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:60:38
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 60 | ...                   continue;;
[INFO] [stdout] 
[INFO] [stderr]    |                                ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "be8cdffcfe273d3e155e67c4dcc16320d4e62b04fa1cff3c0d017caa859e8e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8cdffcfe273d3e155e67c4dcc16320d4e62b04fa1cff3c0d017caa859e8e5f", kill_on_drop: false }`
[INFO] [stdout] be8cdffcfe273d3e155e67c4dcc16320d4e62b04fa1cff3c0d017caa859e8e5f