[INFO] cloning repository https://github.com/reposefulGrass/bex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reposefulGrass/bex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FreposefulGrass%2Fbex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FreposefulGrass%2Fbex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6edb167146f16f2c56a6175789c3f323802b547c
[INFO] building reposefulGrass/bex against master#d59f06fc64844ec2073e5e888f7470989ef25ff9 for pr-119440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FreposefulGrass%2Fbex" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reposefulGrass/bex on toolchain d59f06fc64844ec2073e5e888f7470989ef25ff9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reposefulGrass/bex
[INFO] finished tweaking git repo https://github.com/reposefulGrass/bex
[INFO] tweaked toml for git repo https://github.com/reposefulGrass/bex written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/reposefulGrass/bex 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" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "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] building reposefulGrass/bex against try#fe8f664b41f030f307cfeb6cb8c3a1419292aeed for pr-119440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FreposefulGrass%2Fbex" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reposefulGrass/bex on toolchain fe8f664b41f030f307cfeb6cb8c3a1419292aeed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reposefulGrass/bex
[INFO] finished tweaking git repo https://github.com/reposefulGrass/bex
[INFO] tweaked toml for git repo https://github.com/reposefulGrass/bex written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/reposefulGrass/bex 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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8d6551f2f8407a68a2ed310667e28e730af5c5b79450cd4780ef781aa395fa0
[INFO] running `Command { std: "docker" "start" "-a" "a8d6551f2f8407a68a2ed310667e28e730af5c5b79450cd4780ef781aa395fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8d6551f2f8407a68a2ed310667e28e730af5c5b79450cd4780ef781aa395fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d6551f2f8407a68a2ed310667e28e730af5c5b79450cd4780ef781aa395fa0", kill_on_drop: false }`
[INFO] [stdout] a8d6551f2f8407a68a2ed310667e28e730af5c5b79450cd4780ef781aa395fa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f35ba9507f698974607a113a46c8cac32d540e8bfff19ee354658780f483cd9
[INFO] running `Command { std: "docker" "start" "-a" "9f35ba9507f698974607a113a46c8cac32d540e8bfff19ee354658780f483cd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling bex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hex_str`
[INFO] [stdout]  --> src/convert.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_hex(hex_str: &str) -> IResult<&str, u8> {
[INFO] [stdout]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hex_str`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "9f35ba9507f698974607a113a46c8cac32d540e8bfff19ee354658780f483cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f35ba9507f698974607a113a46c8cac32d540e8bfff19ee354658780f483cd9", kill_on_drop: false }`
[INFO] [stdout] 9f35ba9507f698974607a113a46c8cac32d540e8bfff19ee354658780f483cd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a58dd5d791bdd3fe5bf9be5cd1d2f97f7a43d2f4f2be8ddfbe538db1bca9a6c1
[INFO] running `Command { std: "docker" "start" "-a" "a58dd5d791bdd3fe5bf9be5cd1d2f97f7a43d2f4f2be8ddfbe538db1bca9a6c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hex_str`
[INFO] [stdout]  --> src/convert.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_hex(hex_str: &str) -> IResult<&str, u8> {
[INFO] [stdout]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hex_str`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "a58dd5d791bdd3fe5bf9be5cd1d2f97f7a43d2f4f2be8ddfbe538db1bca9a6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58dd5d791bdd3fe5bf9be5cd1d2f97f7a43d2f4f2be8ddfbe538db1bca9a6c1", kill_on_drop: false }`
[INFO] [stdout] a58dd5d791bdd3fe5bf9be5cd1d2f97f7a43d2f4f2be8ddfbe538db1bca9a6c1