[INFO] fetching crate kaiser 0.1.3...
[INFO] testing kaiser-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kaiser 0.1.3 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate kaiser 0.1.3 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 kaiser 0.1.3
[INFO] finished tweaking crates.io crate kaiser 0.1.3
[INFO] tweaked toml for crates.io crate kaiser 0.1.3 written to /workspace/builds/worker-49/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 scan_fmt v0.1.3
[INFO] [stderr]   Downloaded simple-error v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] d20bd7a34414c3e86ec58a7deb47b81df86d924af675cbe7900666b337ff07b0
[INFO] running `Command { std: "docker" "start" "-a" "d20bd7a34414c3e86ec58a7deb47b81df86d924af675cbe7900666b337ff07b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d20bd7a34414c3e86ec58a7deb47b81df86d924af675cbe7900666b337ff07b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20bd7a34414c3e86ec58a7deb47b81df86d924af675cbe7900666b337ff07b0", kill_on_drop: false }`
[INFO] [stdout] d20bd7a34414c3e86ec58a7deb47b81df86d924af675cbe7900666b337ff07b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] ca7b115c8d84587ffb03a0f9bd72b6ba32358a92ffc09d1bf98b82e8295638ea
[INFO] running `Command { std: "docker" "start" "-a" "ca7b115c8d84587ffb03a0f9bd72b6ba32358a92ffc09d1bf98b82e8295638ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling simple-error v0.1.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling kaiser v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.68s
[INFO] running `Command { std: "docker" "inspect" "ca7b115c8d84587ffb03a0f9bd72b6ba32358a92ffc09d1bf98b82e8295638ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7b115c8d84587ffb03a0f9bd72b6ba32358a92ffc09d1bf98b82e8295638ea", kill_on_drop: false }`
[INFO] [stdout] ca7b115c8d84587ffb03a0f9bd72b6ba32358a92ffc09d1bf98b82e8295638ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 8132879f011a34661d163f0d9c30f135a7a4684169a9c9a2ac2740a2a20d73f1
[INFO] running `Command { std: "docker" "start" "-a" "8132879f011a34661d163f0d9c30f135a7a4684169a9c9a2ac2740a2a20d73f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling kaiser v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "8132879f011a34661d163f0d9c30f135a7a4684169a9c9a2ac2740a2a20d73f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8132879f011a34661d163f0d9c30f135a7a4684169a9c9a2ac2740a2a20d73f1", kill_on_drop: false }`
[INFO] [stdout] 8132879f011a34661d163f0d9c30f135a7a4684169a9c9a2ac2740a2a20d73f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 2c802c44e5740ca61d8fcc19fb91666fa6a826e79557d8243a1c2e62ef32cf7e
[INFO] running `Command { std: "docker" "start" "-a" "2c802c44e5740ca61d8fcc19fb91666fa6a826e79557d8243a1c2e62ef32cf7e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kaiser-bdd6a3d5fcb5e031)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kaiser-f7256d65f2bdce1e)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test buffer::tests::test_display ... ok
[INFO] [stdout] test char::tests::test_upper_lower ... ok
[INFO] [stdout] test ciphers::transposition::tests::test_encrypt_decrypt ... ok
[INFO] [stdout] test stats::tests::test_freqs ... ok
[INFO] [stdout] test ciphers::affine::tests::test_encrypt_decrypt ... ok
[INFO] [stdout] test ciphers::vigenere::tests::test_encrypt_decrypt ... ok
[INFO] [stdout] test ciphers::caesar::tests::test_encrypt_decrypt ... ok
[INFO] [stdout] test char::tests::test_ops ... ok
[INFO] [stdout] test stats::tests::test_heuristics ... ok
[INFO] [stdout] test char::tests::test_conversions ... ok
[INFO] [stdout] test score::tests::test_scores ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kaiser
[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] [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" "2c802c44e5740ca61d8fcc19fb91666fa6a826e79557d8243a1c2e62ef32cf7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c802c44e5740ca61d8fcc19fb91666fa6a826e79557d8243a1c2e62ef32cf7e", kill_on_drop: false }`
[INFO] [stdout] 2c802c44e5740ca61d8fcc19fb91666fa6a826e79557d8243a1c2e62ef32cf7e