[INFO] fetching crate doc-comment 0.3.3...
[INFO] testing doc-comment-0.3.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate doc-comment 0.3.3 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate doc-comment 0.3.3 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 doc-comment 0.3.3
[INFO] finished tweaking crates.io crate doc-comment 0.3.3
[INFO] tweaked toml for crates.io crate doc-comment 0.3.3 written to /workspace/builds/worker-26/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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 95c3b18a1b88143070a4a13d27adf00e35bfee14be50f4d221b235c7e4013d8b
[INFO] running `Command { std: "docker" "start" "-a" "95c3b18a1b88143070a4a13d27adf00e35bfee14be50f4d221b235c7e4013d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c3b18a1b88143070a4a13d27adf00e35bfee14be50f4d221b235c7e4013d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c3b18a1b88143070a4a13d27adf00e35bfee14be50f4d221b235c7e4013d8b", kill_on_drop: false }`
[INFO] [stdout] 95c3b18a1b88143070a4a13d27adf00e35bfee14be50f4d221b235c7e4013d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 0efdc6d78f864bf3fe116d0fad00dcb4016eefc2c974e4d43aa8ca4f5963351f
[INFO] running `Command { std: "docker" "start" "-a" "0efdc6d78f864bf3fe116d0fad00dcb4016eefc2c974e4d43aa8ca4f5963351f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling doc-comment v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "0efdc6d78f864bf3fe116d0fad00dcb4016eefc2c974e4d43aa8ca4f5963351f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efdc6d78f864bf3fe116d0fad00dcb4016eefc2c974e4d43aa8ca4f5963351f", kill_on_drop: false }`
[INFO] [stdout] 0efdc6d78f864bf3fe116d0fad00dcb4016eefc2c974e4d43aa8ca4f5963351f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 2c9d426d468b586675c58edfe45d2eee581a91ee4d266ef04babc7afe23f1c21
[INFO] running `Command { std: "docker" "start" "-a" "2c9d426d468b586675c58edfe45d2eee581a91ee4d266ef04babc7afe23f1c21", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2c9d426d468b586675c58edfe45d2eee581a91ee4d266ef04babc7afe23f1c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9d426d468b586675c58edfe45d2eee581a91ee4d266ef04babc7afe23f1c21", kill_on_drop: false }`
[INFO] [stdout] 2c9d426d468b586675c58edfe45d2eee581a91ee4d266ef04babc7afe23f1c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 958c8988961d348d778aee7546c2c358e6abe3a9f4d597d1a2538e912c301a35
[INFO] running `Command { std: "docker" "start" "-a" "958c8988961d348d778aee7546c2c358e6abe3a9f4d597d1a2538e912c301a35", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/doc_comment-2520604346929219)
[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_comment
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 54) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 44) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - doctest (line 181) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/lib.rs - doc_comment (line 154) ... ok
[INFO] [stdout] test src/lib.rs - (line 111) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "958c8988961d348d778aee7546c2c358e6abe3a9f4d597d1a2538e912c301a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958c8988961d348d778aee7546c2c358e6abe3a9f4d597d1a2538e912c301a35", kill_on_drop: false }`
[INFO] [stdout] 958c8988961d348d778aee7546c2c358e6abe3a9f4d597d1a2538e912c301a35