[INFO] cloning repository https://github.com/kletska/ACS-HW-5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kletska/ACS-HW-5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkletska%2FACS-HW-5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkletska%2FACS-HW-5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63fbc5f2ce9b4cb131b265071ea98536ddaa5dd9
[INFO] testing kletska/ACS-HW-5 against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkletska%2FACS-HW-5" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kletska/ACS-HW-5 on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kletska/ACS-HW-5
[INFO] finished tweaking git repo https://github.com/kletska/ACS-HW-5
[INFO] tweaked toml for git repo https://github.com/kletska/ACS-HW-5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kletska/ACS-HW-5 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9e9fe71e0c9d38d6a755742eb46fee84ae2457c7a5bda3a9ab64d2da9d954cd
[INFO] running `Command { std: "docker" "start" "-a" "b9e9fe71e0c9d38d6a755742eb46fee84ae2457c7a5bda3a9ab64d2da9d954cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9e9fe71e0c9d38d6a755742eb46fee84ae2457c7a5bda3a9ab64d2da9d954cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e9fe71e0c9d38d6a755742eb46fee84ae2457c7a5bda3a9ab64d2da9d954cd", kill_on_drop: false }`
[INFO] [stdout] b9e9fe71e0c9d38d6a755742eb46fee84ae2457c7a5bda3a9ab64d2da9d954cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e382dc2b4383c291b175735e3d2128d275956999bb4a313d7f48835f5ccba031
[INFO] running `Command { std: "docker" "start" "-a" "e382dc2b4383c291b175735e3d2128d275956999bb4a313d7f48835f5ccba031", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ACS-HW-5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next` is never read
[INFO] [stdout]   --> src/programmer.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut next = None;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `ACS-HW-5` (bin "ACS-HW-5"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/bin/rustc --crate-name ACS_HW_5 --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=4d6e5027fa73f4db -C extra-filename=-2749ba72e17a3698 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-71927619d1ed69e1.rlib --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "e382dc2b4383c291b175735e3d2128d275956999bb4a313d7f48835f5ccba031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e382dc2b4383c291b175735e3d2128d275956999bb4a313d7f48835f5ccba031", kill_on_drop: false }`
[INFO] [stdout] e382dc2b4383c291b175735e3d2128d275956999bb4a313d7f48835f5ccba031