[INFO] fetching crate nu 0.35.0...
[INFO] checking nu-0.35.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate nu 0.35.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate nu 0.35.0 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] removed /workspace/builds/worker-15/source/.cargo/config.toml
[INFO] started tweaking crates.io crate nu 0.35.0
[INFO] finished tweaking crates.io crate nu 0.35.0
[INFO] tweaked toml for crates.io crate nu 0.35.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate nu 0.35.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded nu-cli v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_to_bson v0.35.0
[INFO] [stderr]   Downloaded git-version v0.3.4
[INFO] [stderr]   Downloaded shadow-rs v0.6.2
[INFO] [stderr]   Downloaded git-version-macro v0.3.4
[INFO] [stderr]   Downloaded cstr_core v0.2.3
[INFO] [stderr]   Downloaded nu_plugin_fetch v0.35.0
[INFO] [stderr]   Downloaded hmac v0.4.2
[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded nu_plugin_query_json v0.35.0
[INFO] [stderr]   Downloaded bugreport v0.4.0
[INFO] [stderr]   Downloaded nu_plugin_match v0.35.0
[INFO] [stderr]   Downloaded sha2 v0.6.0
[INFO] [stderr]   Downloaded s3handler v0.7.3
[INFO] [stderr]   Downloaded block-buffer v0.2.0
[INFO] [stderr]   Downloaded nu_plugin_post v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_ps v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_binaryview v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_from_bson v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_from_sqlite v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_inc v0.35.0
[INFO] [stderr]   Downloaded globset v0.4.7
[INFO] [stderr]   Downloaded nu_plugin_chart v0.35.0
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded nu_plugin_start v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_sys v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_s3 v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_tree v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_to_sqlite v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_selector v0.35.0
[INFO] [stderr]   Downloaded bat v0.18.1
[INFO] [stderr]   Downloaded nu_plugin_textview v0.35.0
[INFO] [stderr]   Downloaded nu_plugin_xpath v0.35.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6d545656e4c458a79e4cdabdab9ed39250cd1d60394f03d118c19962af94891c
[INFO] running `Command { std: "docker" "start" "-a" "6d545656e4c458a79e4cdabdab9ed39250cd1d60394f03d118c19962af94891c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d545656e4c458a79e4cdabdab9ed39250cd1d60394f03d118c19962af94891c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d545656e4c458a79e4cdabdab9ed39250cd1d60394f03d118c19962af94891c", kill_on_drop: false }`
[INFO] [stdout] 6d545656e4c458a79e4cdabdab9ed39250cd1d60394f03d118c19962af94891c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 50935c1220fa558c7aa382345c8fdc1719273a080aea645e2c1475e675a053d0
[INFO] running `Command { std: "docker" "start" "-a" "50935c1220fa558c7aa382345c8fdc1719273a080aea645e2c1475e675a053d0", 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" "50935c1220fa558c7aa382345c8fdc1719273a080aea645e2c1475e675a053d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50935c1220fa558c7aa382345c8fdc1719273a080aea645e2c1475e675a053d0", kill_on_drop: false }`
[INFO] [stdout] 50935c1220fa558c7aa382345c8fdc1719273a080aea645e2c1475e675a053d0