[INFO] fetching crate doc-writer 0.2.0...
[INFO] testing doc-writer-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate doc-writer 0.2.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate doc-writer 0.2.0 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 doc-writer 0.2.0
[INFO] finished tweaking crates.io crate doc-writer 0.2.0
[INFO] tweaked toml for crates.io crate doc-writer 0.2.0 written to /workspace/builds/worker-112/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] a10d961e3b9b79232d0988eef0f3d861d096012dd2d3ee93a31ce48a0c3d6665
[INFO] running `Command { std: "docker" "start" "-a" "a10d961e3b9b79232d0988eef0f3d861d096012dd2d3ee93a31ce48a0c3d6665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a10d961e3b9b79232d0988eef0f3d861d096012dd2d3ee93a31ce48a0c3d6665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10d961e3b9b79232d0988eef0f3d861d096012dd2d3ee93a31ce48a0c3d6665", kill_on_drop: false }`
[INFO] [stdout] a10d961e3b9b79232d0988eef0f3d861d096012dd2d3ee93a31ce48a0c3d6665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] a606132c736046da99616eb1791d432da61b1d7e49944ebd88eda9db7861a724
[INFO] running `Command { std: "docker" "start" "-a" "a606132c736046da99616eb1791d432da61b1d7e49944ebd88eda9db7861a724", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling doc-writer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "a606132c736046da99616eb1791d432da61b1d7e49944ebd88eda9db7861a724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a606132c736046da99616eb1791d432da61b1d7e49944ebd88eda9db7861a724", kill_on_drop: false }`
[INFO] [stdout] a606132c736046da99616eb1791d432da61b1d7e49944ebd88eda9db7861a724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 010e057d98f27e828a27c3cff5f5286d8a37d06e20fa0c07797c421db13a5d13
[INFO] running `Command { std: "docker" "start" "-a" "010e057d98f27e828a27c3cff5f5286d8a37d06e20fa0c07797c421db13a5d13", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-writer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "010e057d98f27e828a27c3cff5f5286d8a37d06e20fa0c07797c421db13a5d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010e057d98f27e828a27c3cff5f5286d8a37d06e20fa0c07797c421db13a5d13", kill_on_drop: false }`
[INFO] [stdout] 010e057d98f27e828a27c3cff5f5286d8a37d06e20fa0c07797c421db13a5d13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 582becf26d844ab3b331fd3c8711c359f81610ae62ca73910df39d715ebf2bce
[INFO] running `Command { std: "docker" "start" "-a" "582becf26d844ab3b331fd3c8711c359f81610ae62ca73910df39d715ebf2bce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/doc_writer-080417c1f26b6d4b)
[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 doc-writer
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs - DocumentationWriter::set_license (line 155) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::set_title (line 132) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::set_subtitle (line 143) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::paragraph_break (line 223) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::emphasis (line 238) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::start_section (line 196) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::strong (line 252) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::plain (line 209) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::start_description (line 181) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::variable (line 337) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::link (line 268) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::usage (line 169) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::option (line 304) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::start_options (line 285) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::start_enum (line 351) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::start_environment (line 323) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter::variant (line 369) ... ok
[INFO] [stdout] test src/lib.rs - DocumentationWriter (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "582becf26d844ab3b331fd3c8711c359f81610ae62ca73910df39d715ebf2bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582becf26d844ab3b331fd3c8711c359f81610ae62ca73910df39d715ebf2bce", kill_on_drop: false }`
[INFO] [stdout] 582becf26d844ab3b331fd3c8711c359f81610ae62ca73910df39d715ebf2bce