[INFO] fetching crate displaythis 1.0.23...
[INFO] testing displaythis-1.0.23 against 1.55.0 for beta-1.56-1
[INFO] extracting crate displaythis 1.0.23 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate displaythis 1.0.23 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 displaythis 1.0.23
[INFO] finished tweaking crates.io crate displaythis 1.0.23
[INFO] tweaked toml for crates.io crate displaythis 1.0.23 written to /workspace/builds/worker-119/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 1d7da0a502bfc7710ab775de6a36a966cebbbd391825028165322101dcfdea19
[INFO] running `Command { std: "docker" "start" "-a" "1d7da0a502bfc7710ab775de6a36a966cebbbd391825028165322101dcfdea19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7da0a502bfc7710ab775de6a36a966cebbbd391825028165322101dcfdea19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7da0a502bfc7710ab775de6a36a966cebbbd391825028165322101dcfdea19", kill_on_drop: false }`
[INFO] [stdout] 1d7da0a502bfc7710ab775de6a36a966cebbbd391825028165322101dcfdea19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] f7117b8752099f39170236d1421827928c089b904e4042b6709656d51c140eb8
[INFO] running `Command { std: "docker" "start" "-a" "f7117b8752099f39170236d1421827928c089b904e4042b6709656d51c140eb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling displaythis-impl v1.0.23
[INFO] [stderr]    Compiling displaythis v1.0.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "f7117b8752099f39170236d1421827928c089b904e4042b6709656d51c140eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7117b8752099f39170236d1421827928c089b904e4042b6709656d51c140eb8", kill_on_drop: false }`
[INFO] [stdout] f7117b8752099f39170236d1421827928c089b904e4042b6709656d51c140eb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 1b18bc67fac0a04e9a26b266f9f2c24e57f42468d1a0a875611475c18378def9
[INFO] running `Command { std: "docker" "start" "-a" "1b18bc67fac0a04e9a26b266f9f2c24e57f42468d1a0a875611475c18378def9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling dissimilar v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling displaythis v1.0.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.36s
[INFO] running `Command { std: "docker" "inspect" "1b18bc67fac0a04e9a26b266f9f2c24e57f42468d1a0a875611475c18378def9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b18bc67fac0a04e9a26b266f9f2c24e57f42468d1a0a875611475c18378def9", kill_on_drop: false }`
[INFO] [stdout] 1b18bc67fac0a04e9a26b266f9f2c24e57f42468d1a0a875611475c18378def9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 091c3454aafa3d7071bf23fd1dbf21982164986139270f935aa0653c6b19db6b
[INFO] running `Command { std: "docker" "start" "-a" "091c3454aafa3d7071bf23fd1dbf21982164986139270f935aa0653c6b19db6b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/displaythis-f407d119ccc2e497)
[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] [stderr]      Running tests/compiletest.rs (/opt/rustwide/target/debug/deps/compiletest-2d0ec6f29b7fb979)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_display.rs (/opt/rustwide/target/debug/deps/test_display-7b4fb32da6b2968e)
[INFO] [stdout] running 1 test
[INFO] [stdout] test ui ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test_brace_escape ... ok
[INFO] [stdout] test test_braced_unused ... ok
[INFO] [stdout] test test_constants ... ok
[INFO] [stdout] test test_enum ... ok
[INFO] [stdout] test test_expr ... ok
[INFO] [stdout] test test_field ... ok
[INFO] [stdout] test test_braced ... ok
[INFO] [stdout] test test_ints ... ok
[INFO] [stdout] test test_inherit ... ok
[INFO] [stdout] test test_macro_rules ... ok
[INFO] [stdout] test test_keyword ... ok
[INFO] [stdout] test test_mixed ... ok
[INFO] [stdout] test test_match ... ok
[INFO] [stdout] test test_nested ... ok
[INFO] [stdout] test test_raw ... ok
[INFO] [stdout] test test_raw_conflict ... ok
[INFO] [stdout] test test_raw_enum ... ok
[INFO] [stdout] test test_trailing_comma ... ok
[INFO] [stdout] test test_tuple ... ok
[INFO] [stdout] test test_unit ... ok
[INFO] [stdout] test test_void ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_expr.rs (/opt/rustwide/target/debug/deps/test_expr-7dac7f9617c23f96)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_lints.rs (/opt/rustwide/target/debug/deps/test_lints-4ddd4e13808ef5f4)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_rcc ... ok
[INFO] [stdout] test test_rustup ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_path.rs (/opt/rustwide/target/debug/deps/test_path-26234ec7476c83c9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_unused_qualifications ... ok
[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 1 test
[INFO] [stderr]    Doc-tests displaythis
[INFO] [stdout] test test_display ... ok
[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 3 tests
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "091c3454aafa3d7071bf23fd1dbf21982164986139270f935aa0653c6b19db6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091c3454aafa3d7071bf23fd1dbf21982164986139270f935aa0653c6b19db6b", kill_on_drop: false }`
[INFO] [stdout] 091c3454aafa3d7071bf23fd1dbf21982164986139270f935aa0653c6b19db6b