[INFO] cloning repository https://github.com/aredden/rust-multiregex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aredden/rust-multiregex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faredden%2Frust-multiregex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faredden%2Frust-multiregex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 619681787dc2dfb680bb86c8786c172b1499a78c
[INFO] checking aredden/rust-multiregex against master#bd71213cf0a765705e7d72a099151bd4eb465ccb for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faredden%2Frust-multiregex" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aredden/rust-multiregex on toolchain bd71213cf0a765705e7d72a099151bd4eb465ccb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aredden/rust-multiregex
[INFO] finished tweaking git repo https://github.com/aredden/rust-multiregex
[INFO] tweaked toml for git repo https://github.com/aredden/rust-multiregex written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aredden/rust-multiregex 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" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "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 aredden/rust-multiregex against try#c0f799aeda763fc507814da0dc46c2dde7ca9133 for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faredden%2Frust-multiregex" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aredden/rust-multiregex on toolchain c0f799aeda763fc507814da0dc46c2dde7ca9133
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aredden/rust-multiregex
[INFO] finished tweaking git repo https://github.com/aredden/rust-multiregex
[INFO] tweaked toml for git repo https://github.com/aredden/rust-multiregex written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aredden/rust-multiregex 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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "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 clap_derive v3.0.12
[INFO] [stderr]   Downloaded clap v3.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b724acbb5b0a9585ec4faff80a8b3ce54136e30154c3eec162fbd4b585a97cc1
[INFO] running `Command { std: "docker" "start" "-a" "b724acbb5b0a9585ec4faff80a8b3ce54136e30154c3eec162fbd4b585a97cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b724acbb5b0a9585ec4faff80a8b3ce54136e30154c3eec162fbd4b585a97cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b724acbb5b0a9585ec4faff80a8b3ce54136e30154c3eec162fbd4b585a97cc1", kill_on_drop: false }`
[INFO] [stdout] b724acbb5b0a9585ec4faff80a8b3ce54136e30154c3eec162fbd4b585a97cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ffcb9e7fb8290e94766b27f33505209a1231196d234f2b04f108554c7aabc7
[INFO] running `Command { std: "docker" "start" "-a" "08ffcb9e7fb8290e94766b27f33505209a1231196d234f2b04f108554c7aabc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]     Checking clap v3.0.13
[INFO] [stderr]     Checking multireg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.00s
[INFO] running `Command { std: "docker" "inspect" "08ffcb9e7fb8290e94766b27f33505209a1231196d234f2b04f108554c7aabc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ffcb9e7fb8290e94766b27f33505209a1231196d234f2b04f108554c7aabc7", kill_on_drop: false }`
[INFO] [stdout] 08ffcb9e7fb8290e94766b27f33505209a1231196d234f2b04f108554c7aabc7