[INFO] cloning repository https://github.com/gilbertkristiaan/advprog-modul6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilbertkristiaan/advprog-modul6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertkristiaan%2Fadvprog-modul6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertkristiaan%2Fadvprog-modul6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ac36bab69db443cec7cfdb6ef2123af164337d2
[INFO] checking gilbertkristiaan/advprog-modul6 against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertkristiaan%2Fadvprog-modul6" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilbertkristiaan/advprog-modul6 on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] finished tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] tweaked toml for git repo https://github.com/gilbertkristiaan/advprog-modul6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gilbertkristiaan/advprog-modul6 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 480b7a80585c2a448f55586b73bbeaa48b16cdc843c4567be98a3634b47cc6c3
[INFO] running `Command { std: "docker" "start" "-a" "480b7a80585c2a448f55586b73bbeaa48b16cdc843c4567be98a3634b47cc6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "480b7a80585c2a448f55586b73bbeaa48b16cdc843c4567be98a3634b47cc6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480b7a80585c2a448f55586b73bbeaa48b16cdc843c4567be98a3634b47cc6c3", kill_on_drop: false }`
[INFO] [stdout] 480b7a80585c2a448f55586b73bbeaa48b16cdc843c4567be98a3634b47cc6c3
[INFO] checking gilbertkristiaan/advprog-modul6 against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertkristiaan%2Fadvprog-modul6" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilbertkristiaan/advprog-modul6 on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] finished tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] tweaked toml for git repo https://github.com/gilbertkristiaan/advprog-modul6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gilbertkristiaan/advprog-modul6 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/fc48d29cf3bf1d5731ebb5232e995cfbcce2743d5263202537d7ab487cb9285d-init/merged: no space left on device
[INFO] checking gilbertkristiaan/advprog-modul6 against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertkristiaan%2Fadvprog-modul6" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilbertkristiaan/advprog-modul6 on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] finished tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] tweaked toml for git repo https://github.com/gilbertkristiaan/advprog-modul6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gilbertkristiaan/advprog-modul6 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa0d7f90b2469e5b20c32bb181e2d52d6ddb468eabb9f0bd2057aecb280884da
[INFO] running `Command { std: "docker" "start" "-a" "aa0d7f90b2469e5b20c32bb181e2d52d6ddb468eabb9f0bd2057aecb280884da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0d7f90b2469e5b20c32bb181e2d52d6ddb468eabb9f0bd2057aecb280884da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0d7f90b2469e5b20c32bb181e2d52d6ddb468eabb9f0bd2057aecb280884da", kill_on_drop: false }`
[INFO] [stdout] aa0d7f90b2469e5b20c32bb181e2d52d6ddb468eabb9f0bd2057aecb280884da
[INFO] checking gilbertkristiaan/advprog-modul6 against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertkristiaan%2Fadvprog-modul6" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilbertkristiaan/advprog-modul6 on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] finished tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] tweaked toml for git repo https://github.com/gilbertkristiaan/advprog-modul6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gilbertkristiaan/advprog-modul6 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/656f6f3702178c44907eed556ce1a289bea2b47d9d18ccd0abdbbbc7e7e016e2-init/work: no space left on device
[INFO] checking gilbertkristiaan/advprog-modul6 against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertkristiaan%2Fadvprog-modul6" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilbertkristiaan/advprog-modul6 on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] finished tweaking git repo https://github.com/gilbertkristiaan/advprog-modul6
[INFO] tweaked toml for git repo https://github.com/gilbertkristiaan/advprog-modul6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gilbertkristiaan/advprog-modul6 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f375484be1aedd598057864616b428734b3efcc3fa261c17484e23980d3846b9
[INFO] running `Command { std: "docker" "start" "-a" "f375484be1aedd598057864616b428734b3efcc3fa261c17484e23980d3846b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f375484be1aedd598057864616b428734b3efcc3fa261c17484e23980d3846b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f375484be1aedd598057864616b428734b3efcc3fa261c17484e23980d3846b9", kill_on_drop: false }`
[INFO] [stdout] f375484be1aedd598057864616b428734b3efcc3fa261c17484e23980d3846b9
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 071d6ebaf628e12d92d179000189e4ca0ad3a17a66a469352d8a83520f3241ab
[INFO] running `Command { std: "docker" "start" "-a" "071d6ebaf628e12d92d179000189e4ca0ad3a17a66a469352d8a83520f3241ab", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 56 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 57 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 56 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 57 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "071d6ebaf628e12d92d179000189e4ca0ad3a17a66a469352d8a83520f3241ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071d6ebaf628e12d92d179000189e4ca0ad3a17a66a469352d8a83520f3241ab", kill_on_drop: false }`
[INFO] [stdout] 071d6ebaf628e12d92d179000189e4ca0ad3a17a66a469352d8a83520f3241ab