[INFO] fetching crate epsilon-strings 0.1.0...
[INFO] testing epsilon-strings-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate epsilon-strings 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate epsilon-strings 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate epsilon-strings 0.1.0
[INFO] finished tweaking crates.io crate epsilon-strings 0.1.0
[INFO] tweaked toml for crates.io crate epsilon-strings 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27a89ca8337173de9170444c7df7c1db9c3e8bc26985954bb63512c649aa0efa
[INFO] running `Command { std: "docker" "start" "-a" "27a89ca8337173de9170444c7df7c1db9c3e8bc26985954bb63512c649aa0efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a89ca8337173de9170444c7df7c1db9c3e8bc26985954bb63512c649aa0efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a89ca8337173de9170444c7df7c1db9c3e8bc26985954bb63512c649aa0efa", kill_on_drop: false }`
[INFO] [stdout] 27a89ca8337173de9170444c7df7c1db9c3e8bc26985954bb63512c649aa0efa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c183d817b3dffca57a5f0c9a79bb1c5c60ba9402b32482e5766dab835aaa4fa8
[INFO] running `Command { std: "docker" "start" "-a" "c183d817b3dffca57a5f0c9a79bb1c5c60ba9402b32482e5766dab835aaa4fa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling epsilon-strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "c183d817b3dffca57a5f0c9a79bb1c5c60ba9402b32482e5766dab835aaa4fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c183d817b3dffca57a5f0c9a79bb1c5c60ba9402b32482e5766dab835aaa4fa8", kill_on_drop: false }`
[INFO] [stdout] c183d817b3dffca57a5f0c9a79bb1c5c60ba9402b32482e5766dab835aaa4fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d62d4ddb40ba6e4bb27f161f0b62fba4ddcf1efceba023aefb11c7ad0d0aad
[INFO] running `Command { std: "docker" "start" "-a" "b0d62d4ddb40ba6e4bb27f161f0b62fba4ddcf1efceba023aefb11c7ad0d0aad", kill_on_drop: false }`
[INFO] [stderr]    Compiling epsilon-strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "b0d62d4ddb40ba6e4bb27f161f0b62fba4ddcf1efceba023aefb11c7ad0d0aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d62d4ddb40ba6e4bb27f161f0b62fba4ddcf1efceba023aefb11c7ad0d0aad", kill_on_drop: false }`
[INFO] [stdout] b0d62d4ddb40ba6e4bb27f161f0b62fba4ddcf1efceba023aefb11c7ad0d0aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64c912fa8cf12f97795a1f541b4e17aaa868c12150821ad2dd07ac4982d5ad9d
[INFO] running `Command { std: "docker" "start" "-a" "64c912fa8cf12f97795a1f541b4e17aaa868c12150821ad2dd07ac4982d5ad9d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/epsilon_strings-611b44d96871e274)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests epsilon-strings
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "64c912fa8cf12f97795a1f541b4e17aaa868c12150821ad2dd07ac4982d5ad9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c912fa8cf12f97795a1f541b4e17aaa868c12150821ad2dd07ac4982d5ad9d", kill_on_drop: false }`
[INFO] [stdout] 64c912fa8cf12f97795a1f541b4e17aaa868c12150821ad2dd07ac4982d5ad9d