[INFO] cloning repository https://github.com/kamranajabbar/aiot_rust_q1_assignment2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamranajabbar/aiot_rust_q1_assignment2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamranajabbar%2Faiot_rust_q1_assignment2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamranajabbar%2Faiot_rust_q1_assignment2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c07cb088823d24ea6f0c0755a58cabe9fd02be0
[INFO] building kamranajabbar/aiot_rust_q1_assignment2 against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamranajabbar%2Faiot_rust_q1_assignment2" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2
[INFO] finished tweaking git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2
[INFO] tweaked toml for git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "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 kamranajabbar/aiot_rust_q1_assignment2 against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamranajabbar%2Faiot_rust_q1_assignment2" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2
[INFO] finished tweaking git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2
[INFO] tweaked toml for git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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] building kamranajabbar/aiot_rust_q1_assignment2 against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamranajabbar%2Faiot_rust_q1_assignment2" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2
[INFO] finished tweaking git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2
[INFO] tweaked toml for git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kamranajabbar/aiot_rust_q1_assignment2 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 902fbcde506849140e278256e51a534b2cb4a261778e4e93de77b5241ddd8fc4
[INFO] running `Command { std: "docker" "start" "-a" "902fbcde506849140e278256e51a534b2cb4a261778e4e93de77b5241ddd8fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902fbcde506849140e278256e51a534b2cb4a261778e4e93de77b5241ddd8fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902fbcde506849140e278256e51a534b2cb4a261778e4e93de77b5241ddd8fc4", kill_on_drop: false }`
[INFO] [stdout] 902fbcde506849140e278256e51a534b2cb4a261778e4e93de77b5241ddd8fc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c069f6fd8522937589c9584a085b50ab9cea26a89a650eb6014575cbea287ee7
[INFO] running `Command { std: "docker" "start" "-a" "c069f6fd8522937589c9584a085b50ab9cea26a89a650eb6014575cbea287ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "c069f6fd8522937589c9584a085b50ab9cea26a89a650eb6014575cbea287ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c069f6fd8522937589c9584a085b50ab9cea26a89a650eb6014575cbea287ee7", kill_on_drop: false }`
[INFO] [stdout] c069f6fd8522937589c9584a085b50ab9cea26a89a650eb6014575cbea287ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318a5809eee4a80be7657710214ee09651ec14a1fbb1ccb9877def1a7813a5ba
[INFO] running `Command { std: "docker" "start" "-a" "318a5809eee4a80be7657710214ee09651ec14a1fbb1ccb9877def1a7813a5ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "318a5809eee4a80be7657710214ee09651ec14a1fbb1ccb9877def1a7813a5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318a5809eee4a80be7657710214ee09651ec14a1fbb1ccb9877def1a7813a5ba", kill_on_drop: false }`
[INFO] [stdout] 318a5809eee4a80be7657710214ee09651ec14a1fbb1ccb9877def1a7813a5ba