[INFO] fetching crate a2 0.6.2...
[INFO] checking a2-0.6.2 against master#42bd138126b0a9d38d65bc9973e72de3c5b6c37f for pr-99217
[INFO] extracting crate a2 0.6.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate a2 0.6.2 on toolchain 42bd138126b0a9d38d65bc9973e72de3c5b6c37f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a2 0.6.2
[INFO] finished tweaking crates.io crate a2 0.6.2
[INFO] tweaked toml for crates.io crate a2 0.6.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate a2 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "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 log v0.4.14
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded tokio v1.13.0
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[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
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[INFO] [stderr]   Downloaded want v0.3.0
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[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded sct v0.6.1
[INFO] [stderr]   Downloaded openssl v0.10.38
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[INFO] [stderr]   Downloaded slab v0.4.5
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.78
[INFO] [stderr]   Downloaded erased-serde v0.3.16
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded base64 v0.13.0
[INFO] [stderr]   Downloaded http v0.2.5
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded futures-executor v0.3.17
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] [stderr]   Downloaded bumpalo v3.8.0
[INFO] [stderr]   Downloaded serde_json v1.0.68
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] [stderr]   Downloaded tracing v0.1.29
[INFO] [stderr]   Downloaded js-sys v0.3.55
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[INFO] [stderr]   Downloaded rustls v0.19.1
[INFO] [stderr]   Downloaded h2 v0.3.7
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded web-sys v0.3.55
[INFO] [stderr]   Downloaded libc v0.2.106
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.78
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[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded futures-macro v0.3.17
[INFO] [stderr]   Downloaded bytes v1.1.0
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[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded openssl-sys v0.9.70
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.78
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded hyper v0.14.14
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded indoc v1.0.3
[INFO] [stderr]   Downloaded tokio-macros v1.5.1
[INFO] [stderr]   Downloaded futures-io v0.3.17
[INFO] [stderr]   Downloaded hyper-alpn v0.3.0
[INFO] [stderr]   Downloaded foreign-types v0.3.2
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded foreign-types-shared v0.1.1
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded futures-channel v0.3.17
[INFO] [stderr]   Downloaded futures-util v0.3.17
[INFO] [stderr]   Downloaded vcpkg v0.2.15
[INFO] [stderr]   Downloaded futures-task v0.3.17
[INFO] [stderr]   Downloaded serde_derive v1.0.130
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded futures-core v0.3.17
[INFO] [stderr]   Downloaded futures-sink v0.3.17
[INFO] [stderr]   Downloaded httparse v1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d407261c5b5503b331b4709ca5bdae3345382e16a8ab08ffdbe85f8976dce1
[INFO] running `Command { std: "docker" "start" "-a" "c4d407261c5b5503b331b4709ca5bdae3345382e16a8ab08ffdbe85f8976dce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d407261c5b5503b331b4709ca5bdae3345382e16a8ab08ffdbe85f8976dce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d407261c5b5503b331b4709ca5bdae3345382e16a8ab08ffdbe85f8976dce1", kill_on_drop: false }`
[INFO] [stdout] c4d407261c5b5503b331b4709ca5bdae3345382e16a8ab08ffdbe85f8976dce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d3f04492a6454d432b31ac7510fbe2b63f5c62cfd6cd02abb75f53ec8eb5604
[INFO] running `Command { std: "docker" "start" "-a" "8d3f04492a6454d432b31ac7510fbe2b63f5c62cfd6cd02abb75f53ec8eb5604", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]     Checking hyper-alpn v0.3.0
[INFO] [stderr]     Checking a2 v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.27s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8d3f04492a6454d432b31ac7510fbe2b63f5c62cfd6cd02abb75f53ec8eb5604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3f04492a6454d432b31ac7510fbe2b63f5c62cfd6cd02abb75f53ec8eb5604", kill_on_drop: false }`
[INFO] [stdout] 8d3f04492a6454d432b31ac7510fbe2b63f5c62cfd6cd02abb75f53ec8eb5604