[INFO] cloning repository https://github.com/oscar-dev19/TwelveDaysOfChristmas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oscar-dev19/TwelveDaysOfChristmas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foscar-dev19%2FTwelveDaysOfChristmas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foscar-dev19%2FTwelveDaysOfChristmas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f70682586d77f5a4d1ce39b3dd97e06ca06d98a
[INFO] checking oscar-dev19/TwelveDaysOfChristmas against master#ed141926048597e3649bb238ca3dc417904cd56c for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foscar-dev19%2FTwelveDaysOfChristmas" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oscar-dev19/TwelveDaysOfChristmas on toolchain ed141926048597e3649bb238ca3dc417904cd56c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oscar-dev19/TwelveDaysOfChristmas
[INFO] finished tweaking git repo https://github.com/oscar-dev19/TwelveDaysOfChristmas
[INFO] tweaked toml for git repo https://github.com/oscar-dev19/TwelveDaysOfChristmas written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oscar-dev19/TwelveDaysOfChristmas 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" "+ed141926048597e3649bb238ca3dc417904cd56c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aea6ca3b3b983b6fd5f80789d869d0f9c30b4af32661800dfe20a88ed89af12
[INFO] running `Command { std: "docker" "start" "-a" "2aea6ca3b3b983b6fd5f80789d869d0f9c30b4af32661800dfe20a88ed89af12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aea6ca3b3b983b6fd5f80789d869d0f9c30b4af32661800dfe20a88ed89af12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aea6ca3b3b983b6fd5f80789d869d0f9c30b4af32661800dfe20a88ed89af12", kill_on_drop: false }`
[INFO] [stdout] 2aea6ca3b3b983b6fd5f80789d869d0f9c30b4af32661800dfe20a88ed89af12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ed141926048597e3649bb238ca3dc417904cd56c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c07163ab4364c0b96f368e9d866c6808dedadb0c183408607a36c4668d0da3
[INFO] running `Command { std: "docker" "start" "-a" "05c07163ab4364c0b96f368e9d866c6808dedadb0c183408607a36c4668d0da3", kill_on_drop: false }`
[INFO] [stderr]     Checking TwelveDaysOfChristmas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `gift`
[INFO] [stdout]   --> src/main.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for (day, gift) in (1..=12).zip(gifts.clone()) {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_gift`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gift`
[INFO] [stdout]   --> src/main.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for (day, gift) in (1..=12).zip(gifts.clone()) {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_gift`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `TwelveDaysOfChristmas` (bin "TwelveDaysOfChristmas" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/ed141926048597e3649bb238ca3dc417904cd56c/bin/rustc --crate-name TwelveDaysOfChristmas --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=7af011e09da7f5bb -C extra-filename=-d972f6d60b1b5078 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `TwelveDaysOfChristmas` (bin "TwelveDaysOfChristmas"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/ed141926048597e3649bb238ca3dc417904cd56c/bin/rustc --crate-name TwelveDaysOfChristmas --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=42252b254cbbbc84 -C extra-filename=-3502e33ff3ea9dbc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "05c07163ab4364c0b96f368e9d866c6808dedadb0c183408607a36c4668d0da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c07163ab4364c0b96f368e9d866c6808dedadb0c183408607a36c4668d0da3", kill_on_drop: false }`
[INFO] [stdout] 05c07163ab4364c0b96f368e9d866c6808dedadb0c183408607a36c4668d0da3