[INFO] fetching crate go-flag 0.1.0...
[INFO] building go-flag-0.1.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate go-flag 0.1.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate go-flag 0.1.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate go-flag 0.1.0
[INFO] finished tweaking crates.io crate go-flag 0.1.0
[INFO] tweaked toml for crates.io crate go-flag 0.1.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate crates.io crate go-flag 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b245142a43a968fe2fffb83ec931c474ad55dfd76f8f3999c788251deaaa2f1
[INFO] running `Command { std: "docker" "start" "-a" "9b245142a43a968fe2fffb83ec931c474ad55dfd76f8f3999c788251deaaa2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b245142a43a968fe2fffb83ec931c474ad55dfd76f8f3999c788251deaaa2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b245142a43a968fe2fffb83ec931c474ad55dfd76f8f3999c788251deaaa2f1", kill_on_drop: false }`
[INFO] [stdout] 9b245142a43a968fe2fffb83ec931c474ad55dfd76f8f3999c788251deaaa2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b2d7263128a654aaf55731dcf39bb54866646e1407583cbcb38b1de07113c68
[INFO] running `Command { std: "docker" "start" "-a" "4b2d7263128a654aaf55731dcf39bb54866646e1407583cbcb38b1de07113c68", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling go-flag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (a7f62de76264e769, cc900f92e82d5064), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (24ea587ddec0e8f7, f4e09f388b1788eb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (199cc3072aa10437, b9def5a1fdf36583), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (e883fb6f43c75cc2, bb7fef8655b0506c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (171d1954f17e550d, d12244781dbc7b15), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (68b035fe9212b093, f7af1d877c7ad882), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (930877017742e8d, 110bd91a5f930fe3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (aa2766534052a91b, 5352c86a68803a07), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (a06bbaffe99ec3fd, 434dc94b84b97818), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (23b94d1c87500e85, a6f0c3b98fa264da), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (4c43f166b1d5450d, 43f762a5a41b25bf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (6eaf60e59142dda6, 9e36f476b292256c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (21084fbf798dae36, 7c73a7c9ed7bc65b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (6635567af3d897f0, 8f453298b22095c2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (bbaa0c7f4a6ff252, c828ad4074e60860), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (4eeb70fbdf5a35b0, e697d0a0b1bbb121), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (64d4ac3842ca6631, e8d220d1ea176f65), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (52ec8f2e7bca1ffe, 752ba4292ad2b33f), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (4006147d917cfc78, 88f0855c4c9b0565), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (389bb4eba15f63de, a405cba8fe55b930), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (9eb4af9b435ff0c3, e6e263e08556557d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (a647e0eb7743104f, dd37b8fb01262206), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (83488301ec9eda3c, 4d9217ebad33fee4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (2f873ee324cdf2c8, 774d6d52fb9ace30), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (665deeb41a4beb2, 2ff389afd4ef4e72), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (5118fa5f6f177a6, 7d761bc5603dc776), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (b371386cdcacc3d7, f2ae12a97e286f99), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (68b403f5ad76658a, f9a4a41f40a205e7), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (c89889fed7422d79, e15de779fc100d05), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (153961e1af7981bc, 73fcf80255cbdfb3), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (b827a30c3c4509a4, c833d53b6752fddc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (b76a4967b4860eac, 6044cc15e521c918), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (b57180ba2f8485c7, e79c16854a6b95ef), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (2a8b5b7db93ed990, 6edca2090da9c621), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (88222c1747bd4ca9, 7b08ff678fbc05e2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (45981a92a5387a3d, e3a482c70df40dba), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (86a337df9f8b689d, eeb03442c7b768e0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (3488ec9cec8a6c0f, e7a3292b740b6a34), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (1bce6afb5dc4c581, 799c131f7243d18f), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (e7a1911a1ea86733, 461471f1624d7278), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (b678685479e4418c, fb214927dab489ef), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: go_flag, (3a546787c49ac610, 1e17dc04fee0cf3d), 8, 8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "4b2d7263128a654aaf55731dcf39bb54866646e1407583cbcb38b1de07113c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2d7263128a654aaf55731dcf39bb54866646e1407583cbcb38b1de07113c68", kill_on_drop: false }`
[INFO] [stdout] 4b2d7263128a654aaf55731dcf39bb54866646e1407583cbcb38b1de07113c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd7350f8be74d12ce598bf9186d9789d7c2153dc293d163ae3560d849d8d50a8
[INFO] running `Command { std: "docker" "start" "-a" "bd7350f8be74d12ce598bf9186d9789d7c2153dc293d163ae3560d849d8d50a8", kill_on_drop: false }`
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "bd7350f8be74d12ce598bf9186d9789d7c2153dc293d163ae3560d849d8d50a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7350f8be74d12ce598bf9186d9789d7c2153dc293d163ae3560d849d8d50a8", kill_on_drop: false }`
[INFO] [stdout] bd7350f8be74d12ce598bf9186d9789d7c2153dc293d163ae3560d849d8d50a8