[INFO] cloning repository https://github.com/by77er/bfinterp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/by77er/bfinterp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fbfinterp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fbfinterp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfba5854c639cc0e71c4340c432e8a8a103af876
[INFO] checking by77er/bfinterp against master#2f3dc46465c04d10cb74d34b1bd80c3ebfdc05bf for pr-128725
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fbfinterp" "/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/by77er/bfinterp on toolchain 2f3dc46465c04d10cb74d34b1bd80c3ebfdc05bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2f3dc46465c04d10cb74d34b1bd80c3ebfdc05bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/by77er/bfinterp
[INFO] finished tweaking git repo https://github.com/by77er/bfinterp
[INFO] tweaked toml for git repo https://github.com/by77er/bfinterp written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/by77er/bfinterp 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" "+2f3dc46465c04d10cb74d34b1bd80c3ebfdc05bf" "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 by77er/bfinterp against try#9c7f973c4f483238f1484927772d0446e5686cc0 for pr-128725
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fbfinterp" "/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/by77er/bfinterp on toolchain 9c7f973c4f483238f1484927772d0446e5686cc0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7f973c4f483238f1484927772d0446e5686cc0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/by77er/bfinterp
[INFO] finished tweaking git repo https://github.com/by77er/bfinterp
[INFO] tweaked toml for git repo https://github.com/by77er/bfinterp written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/by77er/bfinterp 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" "+9c7f973c4f483238f1484927772d0446e5686cc0" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+9c7f973c4f483238f1484927772d0446e5686cc0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4265d634fec82b5b22d2ed38535bdafea98dac23540ac1dcbb20439843858ef4
[INFO] running `Command { std: "docker" "start" "-a" "4265d634fec82b5b22d2ed38535bdafea98dac23540ac1dcbb20439843858ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4265d634fec82b5b22d2ed38535bdafea98dac23540ac1dcbb20439843858ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4265d634fec82b5b22d2ed38535bdafea98dac23540ac1dcbb20439843858ef4", kill_on_drop: false }`
[INFO] [stdout] 4265d634fec82b5b22d2ed38535bdafea98dac23540ac1dcbb20439843858ef4
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+9c7f973c4f483238f1484927772d0446e5686cc0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab89df8c3553b1dfc378a4e076862d4d3a689dc1aee4ef6e5cf73de7b9fa2c25
[INFO] running `Command { std: "docker" "start" "-a" "ab89df8c3553b1dfc378a4e076862d4d3a689dc1aee4ef6e5cf73de7b9fa2c25", kill_on_drop: false }`
[INFO] [stderr]     Checking bfinterp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bf/vm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `oldvm::BFInterpreter as OldInterpreter`
[INFO] [stdout]   --> src/bf.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use oldvm::BFInterpreter as OldInterpreter;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bf/vm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `oldvm::BFInterpreter as OldInterpreter`
[INFO] [stdout]   --> src/bf.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use oldvm::BFInterpreter as OldInterpreter;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Profile` is never constructed
[INFO] [stdout]   --> src/bf/vm.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Profile {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Profile` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Profile` is never constructed
[INFO] [stdout]   --> src/bf/vm.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Profile {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Profile` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ab89df8c3553b1dfc378a4e076862d4d3a689dc1aee4ef6e5cf73de7b9fa2c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab89df8c3553b1dfc378a4e076862d4d3a689dc1aee4ef6e5cf73de7b9fa2c25", kill_on_drop: false }`
[INFO] [stdout] ab89df8c3553b1dfc378a4e076862d4d3a689dc1aee4ef6e5cf73de7b9fa2c25