[INFO] cloning repository https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FSubgroups_of_Multiplicative_Group_of_Units", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FSubgroups_of_Multiplicative_Group_of_Units'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6904a38037aacc8327b2c83c8da624aaff09ba00
[INFO] checking cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FSubgroups_of_Multiplicative_Group_of_Units" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units
[INFO] finished tweaking git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units
[INFO] tweaked toml for git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FSubgroups_of_Multiplicative_Group_of_Units" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units
[INFO] finished tweaking git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units
[INFO] tweaked toml for git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cypriansakwa/Subgroups_of_Multiplicative_Group_of_Units 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "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-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d57259dedf19cf2b2fc57d418dd089fd5c71c16b8e32e72c10ef98f0c831129a
[INFO] running `Command { std: "docker" "start" "-a" "d57259dedf19cf2b2fc57d418dd089fd5c71c16b8e32e72c10ef98f0c831129a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57259dedf19cf2b2fc57d418dd089fd5c71c16b8e32e72c10ef98f0c831129a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57259dedf19cf2b2fc57d418dd089fd5c71c16b8e32e72c10ef98f0c831129a", kill_on_drop: false }`
[INFO] [stdout] d57259dedf19cf2b2fc57d418dd089fd5c71c16b8e32e72c10ef98f0c831129a
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2adef69e0d14f46603a67d76824a96485c84698e95a2b6a5c0063f9001a19fa
[INFO] running `Command { std: "docker" "start" "-a" "c2adef69e0d14f46603a67d76824a96485c84698e95a2b6a5c0063f9001a19fa", kill_on_drop: false }`
[INFO] [stderr]     Checking Subgroups_of_Multiplicative_Group_of_Units v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "c2adef69e0d14f46603a67d76824a96485c84698e95a2b6a5c0063f9001a19fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2adef69e0d14f46603a67d76824a96485c84698e95a2b6a5c0063f9001a19fa", kill_on_drop: false }`
[INFO] [stdout] c2adef69e0d14f46603a67d76824a96485c84698e95a2b6a5c0063f9001a19fa