[INFO] cloning repository https://github.com/mhthies/gpn20-gpn-mazing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhthies/gpn20-gpn-mazing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhthies%2Fgpn20-gpn-mazing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhthies%2Fgpn20-gpn-mazing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82ca42406473944a2a9c03d4c1b7afc16b796020
[INFO] checking mhthies/gpn20-gpn-mazing against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhthies%2Fgpn20-gpn-mazing" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mhthies/gpn20-gpn-mazing
[INFO] finished tweaking git repo https://github.com/mhthies/gpn20-gpn-mazing
[INFO] tweaked toml for git repo https://github.com/mhthies/gpn20-gpn-mazing written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mhthies/gpn20-gpn-mazing on toolchain c4ca24658d934444a28db36abebef17a8651701a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mhthies/gpn20-gpn-mazing 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" "+c4ca24658d934444a28db36abebef17a8651701a" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 253a2b89bf20e901e4b4fdba15cff5630eb066c5cb36c2fc8dbe21636980630d
[INFO] running `Command { std: "docker" "start" "-a" "253a2b89bf20e901e4b4fdba15cff5630eb066c5cb36c2fc8dbe21636980630d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "253a2b89bf20e901e4b4fdba15cff5630eb066c5cb36c2fc8dbe21636980630d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253a2b89bf20e901e4b4fdba15cff5630eb066c5cb36c2fc8dbe21636980630d", kill_on_drop: false }`
[INFO] [stdout] 253a2b89bf20e901e4b4fdba15cff5630eb066c5cb36c2fc8dbe21636980630d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6ede04d540d691aebcf9cb575a0e530632f9cc5c99a23334de7034251231676
[INFO] running `Command { std: "docker" "start" "-a" "b6ede04d540d691aebcf9cb575a0e530632f9cc5c99a23334de7034251231676", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking gpn20-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]    --> src/algorithm.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |         .connect(","));
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 135 -         .connect(","));
[INFO] [stdout] 135 +         .join(","));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]    --> src/algorithm.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |         .connect(","));
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 135 -         .connect(","));
[INFO] [stdout] 135 +         .join(","));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gpn20-maze` (lib); 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/c4ca24658d934444a28db36abebef17a8651701a/bin/rustc --crate-name gpn20_maze --edition=2018 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=8491b8807b7b1b90 -C extra-filename=-1b01a71030da8641 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-a350f116c5f46b74.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-86d1f417b825cf48.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c95ea35e218d4c60.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-8a521a157491db15.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-10145f5b564fe67d.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gpn20-maze` (lib 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/c4ca24658d934444a28db36abebef17a8651701a/bin/rustc --crate-name gpn20_maze --edition=2018 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=012b03a02f712058 -C extra-filename=-62f7faefe5ad1270 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-a350f116c5f46b74.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-86d1f417b825cf48.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c95ea35e218d4c60.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-8a521a157491db15.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-10145f5b564fe67d.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b6ede04d540d691aebcf9cb575a0e530632f9cc5c99a23334de7034251231676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ede04d540d691aebcf9cb575a0e530632f9cc5c99a23334de7034251231676", kill_on_drop: false }`
[INFO] [stdout] b6ede04d540d691aebcf9cb575a0e530632f9cc5c99a23334de7034251231676