[INFO] fetching crate darkroom 0.7.4...
[INFO] testing darkroom-0.7.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate darkroom 0.7.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate darkroom 0.7.4 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 darkroom 0.7.4
[INFO] finished tweaking crates.io crate darkroom 0.7.4
[INFO] tweaked toml for crates.io crate darkroom 0.7.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate darkroom 0.7.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.5
[INFO] [stderr]   Downloaded argh_derive v0.1.5
[INFO] [stderr]   Downloaded ureq v2.1.1
[INFO] [stderr]   Downloaded argh v0.1.5
[INFO] [stderr]   Downloaded colored_json v2.1.0
[INFO] [stderr]   Downloaded env_proxy v0.4.1
[INFO] [stderr]   Downloaded filmreel v0.6.2
[INFO] [stderr]   Downloaded fancy-regex v0.3.5
[INFO] [stderr]   Downloaded ordered-float v2.5.1
[INFO] [stderr]   Downloaded mdcat v0.22.4
[INFO] [stderr]   Downloaded serde-hashkey v0.4.0
[INFO] [stderr]   Downloaded colored-diff v0.2.2
[INFO] [stderr]   Downloaded syntect v4.5.0
[INFO] [stderr]   Downloaded plist v1.1.0
[INFO] [stderr]   Downloaded minus v3.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b9db0085c55795c56feea5c27ad62b8b05cc490e927a416c8f2918857659f5f0
[INFO] running `Command { std: "docker" "start" "-a" "b9db0085c55795c56feea5c27ad62b8b05cc490e927a416c8f2918857659f5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9db0085c55795c56feea5c27ad62b8b05cc490e927a416c8f2918857659f5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9db0085c55795c56feea5c27ad62b8b05cc490e927a416c8f2918857659f5f0", kill_on_drop: false }`
[INFO] [stdout] b9db0085c55795c56feea5c27ad62b8b05cc490e927a416c8f2918857659f5f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d5743b187919b833e8f2c4bb7ab9de6d00434243c9eefd022f8541d4a9e789f1
[INFO] running `Command { std: "docker" "start" "-a" "d5743b187919b833e8f2c4bb7ab9de6d00434243c9eefd022f8541d4a9e789f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling onig_sys v69.7.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling ordered-float v2.5.1
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling mdcat v0.22.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling fancy-regex v0.3.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling env_proxy v0.4.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling colored-diff v0.2.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling onig v6.2.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling ureq v2.1.1
[INFO] [stderr]    Compiling hyper v0.14.9
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling minus v3.4.0
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling argh v0.1.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling plist v1.1.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde-hashkey v0.4.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling syntect v4.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling colored_json v2.1.0
[INFO] [stderr]    Compiling filmreel v0.6.2
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling darkroom v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "d5743b187919b833e8f2c4bb7ab9de6d00434243c9eefd022f8541d4a9e789f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5743b187919b833e8f2c4bb7ab9de6d00434243c9eefd022f8541d4a9e789f1", kill_on_drop: false }`
[INFO] [stdout] d5743b187919b833e8f2c4bb7ab9de6d00434243c9eefd022f8541d4a9e789f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3173b7c0d21a004329e97657561082de1851e17e0766545b88c5f396f6367514
[INFO] running `Command { std: "docker" "start" "-a" "3173b7c0d21a004329e97657561082de1851e17e0766545b88c5f396f6367514", 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 semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling rstest v0.10.0
[INFO] [stderr]    Compiling darkroom v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.02s
[INFO] running `Command { std: "docker" "inspect" "3173b7c0d21a004329e97657561082de1851e17e0766545b88c5f396f6367514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3173b7c0d21a004329e97657561082de1851e17e0766545b88c5f396f6367514", kill_on_drop: false }`
[INFO] [stdout] 3173b7c0d21a004329e97657561082de1851e17e0766545b88c5f396f6367514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f8c918d14884407ead2de5fe50986edf4fccf5d5505e5c57a2037a95099afa4f
[INFO] running `Command { std: "docker" "start" "-a" "f8c918d14884407ead2de5fe50986edf4fccf5d5505e5c57a2037a95099afa4f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/darkroom-97eb30d0d7ccd490)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test grpc::serde_tests::test_internal ... ok
[INFO] [stdout] test params::tests::test_init ... ok
[INFO] [stdout] test params::tests::test_iter_path_args ... ok
[INFO] [stdout] test record::tests::test_parse_range::case_1 ... ok
[INFO] [stdout] test grpc::serde_tests::test_auth ... ok
[INFO] [stdout] test record::tests::test_parse_range::case_2 ... ok
[INFO] [stdout] test http::tests::test_build_header::case_1 ... ok
[INFO] [stdout] test record::tests::test_parse_range::case_3 ... ok
[INFO] [stdout] test http::tests::test_build_header::case_2 ... ok
[INFO] [stdout] test record::tests::test_parse_range::case_4 ... ok
[INFO] [stdout] test record::tests::test_parse_range::case_6 ... ok
[INFO] [stdout] test record::tests::test_parse_range::case_5 ... ok
[INFO] [stdout] test take::tests::test_process_response ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dark-4d9a9e8733cf47d2)
[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] [stderr]    Doc-tests darkroom
[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" "f8c918d14884407ead2de5fe50986edf4fccf5d5505e5c57a2037a95099afa4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c918d14884407ead2de5fe50986edf4fccf5d5505e5c57a2037a95099afa4f", kill_on_drop: false }`
[INFO] [stdout] f8c918d14884407ead2de5fe50986edf4fccf5d5505e5c57a2037a95099afa4f