[INFO] cloning repository https://github.com/mikedilger/k256_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikedilger/k256_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikedilger%2Fk256_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikedilger%2Fk256_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 278e061c449f602016052029ee79b7481bfe064b
[INFO] checking mikedilger/k256_test against master#0f442e265c165c0a78633bef98de18517815150c for pr-129073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikedilger%2Fk256_test" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikedilger/k256_test on toolchain 0f442e265c165c0a78633bef98de18517815150c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikedilger/k256_test
[INFO] finished tweaking git repo https://github.com/mikedilger/k256_test
[INFO] tweaked toml for git repo https://github.com/mikedilger/k256_test written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mikedilger/k256_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking mikedilger/k256_test against try#774bd5ba31b89dab12d58c29690ad9f7e5c9f063 for pr-129073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikedilger%2Fk256_test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikedilger/k256_test on toolchain 774bd5ba31b89dab12d58c29690ad9f7e5c9f063
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikedilger/k256_test
[INFO] finished tweaking git repo https://github.com/mikedilger/k256_test
[INFO] tweaked toml for git repo https://github.com/mikedilger/k256_test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mikedilger/k256_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "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 const-oid v0.9.1
[INFO] [stderr]   Downloaded base64ct v1.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ab836aa99c6d0712f7323f117c4c0e2929c10941a5077decf3cc6876d8f7df1
[INFO] running `Command { std: "docker" "start" "-a" "9ab836aa99c6d0712f7323f117c4c0e2929c10941a5077decf3cc6876d8f7df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab836aa99c6d0712f7323f117c4c0e2929c10941a5077decf3cc6876d8f7df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab836aa99c6d0712f7323f117c4c0e2929c10941a5077decf3cc6876d8f7df1", kill_on_drop: false }`
[INFO] [stdout] 9ab836aa99c6d0712f7323f117c4c0e2929c10941a5077decf3cc6876d8f7df1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aac4bea0b904e5f63dcca70d6831be9c9776ec5a929d8064bca3ce6a64c05d1
[INFO] running `Command { std: "docker" "start" "-a" "3aac4bea0b904e5f63dcca70d6831be9c9776ec5a929d8064bca3ce6a64c05d1", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking const-oid v0.9.1
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]     Checking rfc6979 v0.3.1
[INFO] [stderr]     Checking ecdsa v0.14.8
[INFO] [stderr]     Checking k256 v0.11.6
[INFO] [stderr]     Checking k256_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "3aac4bea0b904e5f63dcca70d6831be9c9776ec5a929d8064bca3ce6a64c05d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aac4bea0b904e5f63dcca70d6831be9c9776ec5a929d8064bca3ce6a64c05d1", kill_on_drop: false }`
[INFO] [stdout] 3aac4bea0b904e5f63dcca70d6831be9c9776ec5a929d8064bca3ce6a64c05d1