[INFO] cloning repository https://github.com/google/evcxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/google/evcxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d83d1a49297e4807f0804109117b7c9a55c62c3b
[INFO] checking google/evcxr against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/google/evcxr on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/google/evcxr
[INFO] finished tweaking git repo https://github.com/google/evcxr
[INFO] tweaked toml for git repo https://github.com/google/evcxr written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/google/evcxr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kqueue v1.0.3
[INFO] [stderr]   Downloaded always-assert v0.1.2
[INFO] [stderr]   Downloaded notify v5.0.0-pre.11
[INFO] [stderr]   Downloaded cov-mark v2.0.0-pre.1
[INFO] [stderr]   Downloaded chalk-ir v0.69.0
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v6.0.2
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] [stderr]   Downloaded chalk-derive v0.69.0
[INFO] [stderr]   Downloaded evcxr_input v1.0.0
[INFO] [stderr]   Downloaded chalk-solve v0.69.0
[INFO] [stderr]   Downloaded zeromq-src v0.1.10+4.3.2
[INFO] [stderr]   Downloaded salsa-macros v0.17.0-pre.1
[INFO] [stderr]   Downloaded perf-event v0.4.7
[INFO] [stderr]   Downloaded kqueue-sys v1.0.2
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded jod-thread v0.1.2
[INFO] [stderr]   Downloaded salsa v0.17.0-pre.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]   Downloaded ra_ap_cfg v0.0.67
[INFO] [stderr]   Downloaded sig v1.0.0
[INFO] [stderr]   Downloaded fst v0.4.7
[INFO] [stderr]   Downloaded ra_ap_tt v0.0.67
[INFO] [stderr]   Downloaded ra_ap_test_utils v0.0.67
[INFO] [stderr]   Downloaded ra_ap_profile v0.0.67
[INFO] [stderr]   Downloaded ra_ap_vfs v0.0.67
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.67
[INFO] [stderr]   Downloaded ra_ap_paths v0.0.67
[INFO] [stderr]   Downloaded rowan v0.13.0-pre.8
[INFO] [stderr]   Downloaded ra_ap_toolchain v0.0.67
[INFO] [stderr]   Downloaded chalk-recursive v0.69.0
[INFO] [stderr]   Downloaded ra_ap_base_db v0.0.67
[INFO] [stderr]   Downloaded ra_ap_la-arena v0.0.67
[INFO] [stderr]   Downloaded ra_ap_stdx v0.0.67
[INFO] [stderr]   Downloaded ra_ap_mbe v0.0.67
[INFO] [stderr]   Downloaded ra_ap_hir v0.0.67
[INFO] [stderr]   Downloaded ra_ap_project_model v0.0.67
[INFO] [stderr]   Downloaded ra_ap_ide_ssr v0.0.67
[INFO] [stderr]   Downloaded ra_ap_vfs-notify v0.0.67
[INFO] [stderr]   Downloaded ra_ap_parser v0.0.67
[INFO] [stderr]   Downloaded ra_ap_hir_expand v0.0.67
[INFO] [stderr]   Downloaded ra_ap_proc_macro_api v0.0.67
[INFO] [stderr]   Downloaded ra_ap_ide_diagnostics v0.0.67
[INFO] [stderr]   Downloaded ra_ap_ide_completion v0.0.67
[INFO] [stderr]   Downloaded ra_ap_syntax v0.0.67
[INFO] [stderr]   Downloaded ra_ap_hir_ty v0.0.67
[INFO] [stderr]   Downloaded ra_ap_ide v0.0.67
[INFO] [stderr]   Downloaded ra_ap_hir_def v0.0.67
[INFO] [stderr]   Downloaded ra_ap_limit v0.0.67
[INFO] [stderr]   Downloaded ra_ap_ide_assists v0.0.67
[INFO] [stderr]   Downloaded ra_ap_ide_db v0.0.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dff9ebe7e1f6411a9046e2fd4a687b3c099b5ea13a861d93de026e9974680188
[INFO] running `Command { std: "docker" "start" "-a" "dff9ebe7e1f6411a9046e2fd4a687b3c099b5ea13a861d93de026e9974680188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dff9ebe7e1f6411a9046e2fd4a687b3c099b5ea13a861d93de026e9974680188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff9ebe7e1f6411a9046e2fd4a687b3c099b5ea13a861d93de026e9974680188", kill_on_drop: false }`
[INFO] [stdout] dff9ebe7e1f6411a9046e2fd4a687b3c099b5ea13a861d93de026e9974680188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b6baee368688238ac2dcff2218c303fc4fb61f20281a81ba28f1bb5265c2920
[INFO] running `Command { std: "docker" "start" "-a" "2b6baee368688238ac2dcff2218c303fc4fb61f20281a81ba28f1bb5265c2920", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "2b6baee368688238ac2dcff2218c303fc4fb61f20281a81ba28f1bb5265c2920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6baee368688238ac2dcff2218c303fc4fb61f20281a81ba28f1bb5265c2920", kill_on_drop: false }`
[INFO] [stdout] 2b6baee368688238ac2dcff2218c303fc4fb61f20281a81ba28f1bb5265c2920