[INFO] cloning repository https://github.com/qknogxxb/unidown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qknogxxb/unidown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqknogxxb%2Funidown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqknogxxb%2Funidown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd5ca035b26011cea3acf5f66d8adfa8cbf3ea02
[INFO] checking qknogxxb/unidown against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqknogxxb%2Funidown" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qknogxxb/unidown on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qknogxxb/unidown
[INFO] finished tweaking git repo https://github.com/qknogxxb/unidown
[INFO] tweaked toml for git repo https://github.com/qknogxxb/unidown written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/qknogxxb/unidown 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/c4bca02fa0031a2ad19f2fed24c61c8fabbf9128a1484a330439ccdf36346b4e/diff: no space left on device
[INFO] checking qknogxxb/unidown against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqknogxxb%2Funidown" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qknogxxb/unidown on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qknogxxb/unidown
[INFO] finished tweaking git repo https://github.com/qknogxxb/unidown
[INFO] tweaked toml for git repo https://github.com/qknogxxb/unidown written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/qknogxxb/unidown 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9819cb523bc8783cbf250cc610193bf710c3dfb3a3dad1033df1fc985b6ca53
[INFO] running `Command { std: "docker" "start" "-a" "c9819cb523bc8783cbf250cc610193bf710c3dfb3a3dad1033df1fc985b6ca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9819cb523bc8783cbf250cc610193bf710c3dfb3a3dad1033df1fc985b6ca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9819cb523bc8783cbf250cc610193bf710c3dfb3a3dad1033df1fc985b6ca53", kill_on_drop: false }`
[INFO] [stdout] c9819cb523bc8783cbf250cc610193bf710c3dfb3a3dad1033df1fc985b6ca53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41677f35bf7db6f15b374a392b7c5c9a3f32c6f5a893358e7ab544b81dd2b313
[INFO] running `Command { std: "docker" "start" "-a" "41677f35bf7db6f15b374a392b7c5c9a3f32c6f5a893358e7ab544b81dd2b313", kill_on_drop: false }`
[INFO] [stderr]     Checking unidown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tset`
[INFO] [stdout]    --> src/unescape.rs:194:7
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[cfg(tset)]
[INFO] [stdout]     |       ^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tset)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tset)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tset`
[INFO] [stdout]    --> src/unescape.rs:194:7
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[cfg(tset)]
[INFO] [stdout]     |       ^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tset)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tset)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/unescape.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum EscapeError {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     LoneSlash,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 20 |     /// Invalid escape character (e.g. '\z').
[INFO] [stdout] 21 |     InvalidEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 22 |     /// Raw '\r' encountered.
[INFO] [stdout] 23 |     BareCarriageReturn,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     EscapeOnlyChar,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     TooShortHexEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     /// Invalid character in numeric escape (e.g. '\xz')
[INFO] [stdout] 32 |     InvalidCharInHexEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     NoBraceInUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 37 |     /// Non-hexadecimal value in '\u{..}'.
[INFO] [stdout] 38 |     InvalidCharInUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     /// '\u{}'
[INFO] [stdout] 40 |     EmptyUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 41 |     /// No closing brace in '\u{..}', e.g. '\u{12'.
[INFO] [stdout] 42 |     UnclosedUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     /// '\u{_12}'
[INFO] [stdout] 44 |     LeadingUnderscoreUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     /// More than 6 characters in '\u{..}', e.g. '\u{10FFFF_FF}'
[INFO] [stdout] 46 |     OverlongUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     /// Invalid in-bound unicode character code, e.g. '\u{DFFF}'.
[INFO] [stdout] 48 |     LoneSurrogateUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     /// Out of bounds unicode character code, e.g. '\u{FFFFFF}'.
[INFO] [stdout] 50 |     OutOfRangeUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EscapeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/unescape.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum EscapeError {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     LoneSlash,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 20 |     /// Invalid escape character (e.g. '\z').
[INFO] [stdout] 21 |     InvalidEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 22 |     /// Raw '\r' encountered.
[INFO] [stdout] 23 |     BareCarriageReturn,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     EscapeOnlyChar,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     TooShortHexEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     /// Invalid character in numeric escape (e.g. '\xz')
[INFO] [stdout] 32 |     InvalidCharInHexEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     NoBraceInUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 37 |     /// Non-hexadecimal value in '\u{..}'.
[INFO] [stdout] 38 |     InvalidCharInUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     /// '\u{}'
[INFO] [stdout] 40 |     EmptyUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 41 |     /// No closing brace in '\u{..}', e.g. '\u{12'.
[INFO] [stdout] 42 |     UnclosedUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     /// '\u{_12}'
[INFO] [stdout] 44 |     LeadingUnderscoreUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     /// More than 6 characters in '\u{..}', e.g. '\u{10FFFF_FF}'
[INFO] [stdout] 46 |     OverlongUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     /// Invalid in-bound unicode character code, e.g. '\u{DFFF}'.
[INFO] [stdout] 48 |     LoneSurrogateUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     /// Out of bounds unicode character code, e.g. '\u{FFFFFF}'.
[INFO] [stdout] 50 |     OutOfRangeUnicodeEscape,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EscapeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unidown` (lib test); 2 warnings 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/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/bin/rustc --crate-name unidown --edition=2021 src/lib.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,test)' --check-cfg 'cfg(feature, values())' -C metadata=d40f5176f54194da -C extra-filename=-c0966bec7d7dd467 --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 `unidown` (lib); 2 warnings 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/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/bin/rustc --crate-name unidown --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=2c23f0e1ea6c0321 -C extra-filename=-04324f6713a61fa4 --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" "41677f35bf7db6f15b374a392b7c5c9a3f32c6f5a893358e7ab544b81dd2b313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41677f35bf7db6f15b374a392b7c5c9a3f32c6f5a893358e7ab544b81dd2b313", kill_on_drop: false }`
[INFO] [stdout] 41677f35bf7db6f15b374a392b7c5c9a3f32c6f5a893358e7ab544b81dd2b313