[INFO] fetching crate damm 0.1.0...
[INFO] testing damm-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate damm 0.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate damm 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate damm 0.1.0
[INFO] finished tweaking crates.io crate damm 0.1.0
[INFO] tweaked toml for crates.io crate damm 0.1.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded digits_iterator v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ca7ac33cbe1912949890858c92b904d99acd90cfd823739bde8809a267e4d32
[INFO] running `Command { std: "docker" "start" "-a" "4ca7ac33cbe1912949890858c92b904d99acd90cfd823739bde8809a267e4d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ca7ac33cbe1912949890858c92b904d99acd90cfd823739bde8809a267e4d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca7ac33cbe1912949890858c92b904d99acd90cfd823739bde8809a267e4d32", kill_on_drop: false }`
[INFO] [stdout] 4ca7ac33cbe1912949890858c92b904d99acd90cfd823739bde8809a267e4d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24c208a780a14e457ffc9b203c113b66c37e37b9a59f3e82dcc24b5810393b16
[INFO] running `Command { std: "docker" "start" "-a" "24c208a780a14e457ffc9b203c113b66c37e37b9a59f3e82dcc24b5810393b16", kill_on_drop: false }`
[INFO] [stderr]    Compiling digits_iterator v0.1.0
[INFO] [stderr]    Compiling damm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "24c208a780a14e457ffc9b203c113b66c37e37b9a59f3e82dcc24b5810393b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c208a780a14e457ffc9b203c113b66c37e37b9a59f3e82dcc24b5810393b16", kill_on_drop: false }`
[INFO] [stdout] 24c208a780a14e457ffc9b203c113b66c37e37b9a59f3e82dcc24b5810393b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9000c4f3f0129c497545417502a584c481d1f0d456bf6b19cfd22b978f15a0e3
[INFO] running `Command { std: "docker" "start" "-a" "9000c4f3f0129c497545417502a584c481d1f0d456bf6b19cfd22b978f15a0e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling damm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "9000c4f3f0129c497545417502a584c481d1f0d456bf6b19cfd22b978f15a0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9000c4f3f0129c497545417502a584c481d1f0d456bf6b19cfd22b978f15a0e3", kill_on_drop: false }`
[INFO] [stdout] 9000c4f3f0129c497545417502a584c481d1f0d456bf6b19cfd22b978f15a0e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31d243da16845db8c6142e4d6e7fa69253b05409b8b6fb3d93c37991fcf93314
[INFO] running `Command { std: "docker" "start" "-a" "31d243da16845db8c6142e4d6e7fa69253b05409b8b6fb3d93c37991fcf93314", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/damm-6a954b6fe996319c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::_572 ... ok
[INFO] [stdout] test tests::_92837462917 ... ok
[INFO] [stdout] test tests::_8293 ... 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 damm
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - id (line 68) ... ok
[INFO] [stdout] test src/lib.rs - verify (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31d243da16845db8c6142e4d6e7fa69253b05409b8b6fb3d93c37991fcf93314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d243da16845db8c6142e4d6e7fa69253b05409b8b6fb3d93c37991fcf93314", kill_on_drop: false }`
[INFO] [stdout] 31d243da16845db8c6142e4d6e7fa69253b05409b8b6fb3d93c37991fcf93314