[INFO] cloning repository https://github.com/nKumar2015/rustlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nKumar2015/rustlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnKumar2015%2Frustlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnKumar2015%2Frustlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 332fe4c20e503214fb6f7f9ea1d164cf0dd221be
[INFO] checking nKumar2015/rustlang against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnKumar2015%2Frustlang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nKumar2015/rustlang
[INFO] finished tweaking git repo https://github.com/nKumar2015/rustlang
[INFO] tweaked toml for git repo https://github.com/nKumar2015/rustlang written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nKumar2015/rustlang on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nKumar2015/rustlang 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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
[INFO] checking nKumar2015/rustlang against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnKumar2015%2Frustlang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nKumar2015/rustlang
[INFO] finished tweaking git repo https://github.com/nKumar2015/rustlang
[INFO] tweaked toml for git repo https://github.com/nKumar2015/rustlang written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nKumar2015/rustlang on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nKumar2015/rustlang 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 836afb478722ae0b83413d5362b363159ef716aa0fd120a8bf55b5edb49975f2
[INFO] running `Command { std: "docker" "start" "-a" "836afb478722ae0b83413d5362b363159ef716aa0fd120a8bf55b5edb49975f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "836afb478722ae0b83413d5362b363159ef716aa0fd120a8bf55b5edb49975f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836afb478722ae0b83413d5362b363159ef716aa0fd120a8bf55b5edb49975f2", kill_on_drop: false }`
[INFO] [stdout] 836afb478722ae0b83413d5362b363159ef716aa0fd120a8bf55b5edb49975f2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b7e3ce01a5ceecd5103752189dea382790dd10ef4ee9745cd71a1c1bf7308ee
[INFO] running `Command { std: "docker" "start" "-a" "2b7e3ce01a5ceecd5103752189dea382790dd10ef4ee9745cd71a1c1bf7308ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling term v1.0.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling lalrpop-util v0.22.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling lalrpop v0.22.0
[INFO] [stderr]     Checking lalrpop-util v0.21.0
[INFO] [stderr]    Compiling brainstorm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.40s
[INFO] running `Command { std: "docker" "inspect" "2b7e3ce01a5ceecd5103752189dea382790dd10ef4ee9745cd71a1c1bf7308ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7e3ce01a5ceecd5103752189dea382790dd10ef4ee9745cd71a1c1bf7308ee", kill_on_drop: false }`
[INFO] [stdout] 2b7e3ce01a5ceecd5103752189dea382790dd10ef4ee9745cd71a1c1bf7308ee