[INFO] fetching crate skiff 0.4.5... [INFO] testing skiff-0.4.5 against 1.55.0 for beta-1.56-1 [INFO] extracting crate skiff 0.4.5 into /workspace/builds/worker-98/source [INFO] validating manifest of crates.io crate skiff 0.4.5 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 skiff 0.4.5 [INFO] finished tweaking crates.io crate skiff 0.4.5 [INFO] tweaked toml for crates.io crate skiff 0.4.5 written to /workspace/builds/worker-98/source/Cargo.toml [INFO] crate crates.io crate skiff 0.4.5 already has a lockfile, it will not be regenerated [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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] eb04028fee002a41f6dd381b207eeca3907462694ff19f5f20c1c7944600a4e9 [INFO] running `Command { std: "docker" "start" "-a" "eb04028fee002a41f6dd381b207eeca3907462694ff19f5f20c1c7944600a4e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb04028fee002a41f6dd381b207eeca3907462694ff19f5f20c1c7944600a4e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb04028fee002a41f6dd381b207eeca3907462694ff19f5f20c1c7944600a4e9", kill_on_drop: false }` [INFO] [stdout] eb04028fee002a41f6dd381b207eeca3907462694ff19f5f20c1c7944600a4e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 3b68a33b9bc17bf7206c3d09bfff309fa70566bf06f7072ce77372d4004e8939 [INFO] running `Command { std: "docker" "start" "-a" "3b68a33b9bc17bf7206c3d09bfff309fa70566bf06f7072ce77372d4004e8939", 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] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.74 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling bumpalo v3.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling wasm-bindgen v0.2.74 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling beef v0.5.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rand_xoshiro v0.4.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling im v15.0.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling bitmaps v2.1.0 [INFO] [stderr] Compiling sized-chunks v0.6.5 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.74 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.74 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling logos-derive v0.12.0 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.74 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling console_error_panic_hook v0.1.6 [INFO] [stderr] Compiling logos v0.12.0 [INFO] [stderr] Compiling skiff v0.4.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.18s [INFO] running `Command { std: "docker" "inspect" "3b68a33b9bc17bf7206c3d09bfff309fa70566bf06f7072ce77372d4004e8939", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b68a33b9bc17bf7206c3d09bfff309fa70566bf06f7072ce77372d4004e8939", kill_on_drop: false }` [INFO] [stdout] 3b68a33b9bc17bf7206c3d09bfff309fa70566bf06f7072ce77372d4004e8939 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] b0b89419f69b1901b7efc06322b32f3e99234fdae8a81e1723e2276bec5e2a4d [INFO] running `Command { std: "docker" "start" "-a" "b0b89419f69b1901b7efc06322b32f3e99234fdae8a81e1723e2276bec5e2a4d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.24 [INFO] [stderr] Compiling js-sys v0.3.51 [INFO] [stderr] Compiling wasm-bindgen-futures v0.4.24 [INFO] [stderr] Compiling wasm-bindgen-test v0.3.24 [INFO] [stderr] Compiling skiff v0.4.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 9.04s [INFO] running `Command { std: "docker" "inspect" "b0b89419f69b1901b7efc06322b32f3e99234fdae8a81e1723e2276bec5e2a4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0b89419f69b1901b7efc06322b32f3e99234fdae8a81e1723e2276bec5e2a4d", kill_on_drop: false }` [INFO] [stdout] b0b89419f69b1901b7efc06322b32f3e99234fdae8a81e1723e2276bec5e2a4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] b368981049887e2b3b58730adfe096e7f3431f8d48b46af88a9e77ac37a459fa [INFO] running `Command { std: "docker" "start" "-a" "b368981049887e2b3b58730adfe096e7f3431f8d48b46af88a9e77ac37a459fa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.53s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/skiff-d47313c57369db25) [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/skiff-d80a343733c3d797) [INFO] [stdout] test lexer::lex::tests::lexes_identifiers ... ok [INFO] [stderr] Running tests/diff_test.rs (/opt/rustwide/target/debug/deps/diff_test-45b692b260f44bc8) [INFO] [stdout] test lexer::lex::tests::lexes_number ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::fails_baseline_boolean ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::fails_baseline_number_without_identifier ... ok [INFO] [stdout] test lexer::lex::tests::lexes_numbers_and_ops ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::fails_option_type_if_no_identifier ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::errors_on_not_enough_pattern_args_for_option ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::fails_option_type_if_no_none ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::fails_complex_bool_nesting ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::passes_baseline_boolean_with_identifier ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::passes_baseline_boolean_without_identifier ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::passes_complex_bool_nesting ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::passes_baseline_number_with_identifier ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::passes_option_type_with_identifier ... ok [INFO] [stdout] test static_checking::exhaustiveness::exhaustiveness_tests::passes_option_type_with_wildcard_identifier ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 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] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests skiff [INFO] [stdout] test diff_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s [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" "b368981049887e2b3b58730adfe096e7f3431f8d48b46af88a9e77ac37a459fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b368981049887e2b3b58730adfe096e7f3431f8d48b46af88a9e77ac37a459fa", kill_on_drop: false }` [INFO] [stdout] b368981049887e2b3b58730adfe096e7f3431f8d48b46af88a9e77ac37a459fa