[INFO] cloning repository https://github.com/chengy-sysu/exam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chengy-sysu/exam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengy-sysu%2Fexam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengy-sysu%2Fexam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67e9f72bf7ce33a05570057968db8506c7315e39
[INFO] testing chengy-sysu/exam against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengy-sysu%2Fexam" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chengy-sysu/exam on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chengy-sysu/exam
[INFO] finished tweaking git repo https://github.com/chengy-sysu/exam
[INFO] tweaked toml for git repo https://github.com/chengy-sysu/exam written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chengy-sysu/exam 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53a764e8301b0e5043bd31cc32ab3e870305ccc4d776f3148cfc921db03628d7
[INFO] running `Command { std: "docker" "start" "-a" "53a764e8301b0e5043bd31cc32ab3e870305ccc4d776f3148cfc921db03628d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a764e8301b0e5043bd31cc32ab3e870305ccc4d776f3148cfc921db03628d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a764e8301b0e5043bd31cc32ab3e870305ccc4d776f3148cfc921db03628d7", kill_on_drop: false }`
[INFO] [stdout] 53a764e8301b0e5043bd31cc32ab3e870305ccc4d776f3148cfc921db03628d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57c19780d40dd142e80b3aab8ed364bb2e97cdfa3b8c77560fd4b6a141ede976
[INFO] running `Command { std: "docker" "start" "-a" "57c19780d40dd142e80b3aab8ed364bb2e97cdfa3b8c77560fd4b6a141ede976", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling winnow v0.6.13
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling bstr v1.9.1
[INFO] [stderr]    Compiling compact_str v0.7.1
[INFO] [stderr]    Compiling lru v0.12.3
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `parking_lot` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name parking_lot --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot-0.12.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arc_lock", "deadlock_detection", "default", "hardware-lock-elision", "nightly", "owning_ref", "send_guard", "serde"))' -C metadata=20abf665a4a48ba3 -C extra-filename=-5940aec60e5b1860 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lock_api=/opt/rustwide/target/debug/deps/liblock_api-309bef68974b4e43.rmeta --extern parking_lot_core=/opt/rustwide/target/debug/deps/libparking_lot_core-3459839a2e705e06.rmeta --cap-lints allow --cap-lints=warn` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaH9tqfE"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `signal-hook` (lib)
[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/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name signal_hook --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/signal-hook-0.3.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="iterator"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("cc", "channel", "default", "extended-siginfo", "extended-siginfo-raw", "iterator"))' -C metadata=d9e2cf6ed1f1604d -C extra-filename=-d451c5f09ca1466a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-cc4c071c0f88af10.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-86b9f0baf7b5b103.rmeta --cap-lints allow --cap-lints=warn` (exit status: 101)
[INFO] [stderr] error: could not compile `signal-hook-registry` (lib)
[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/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name signal_hook_registry --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/signal-hook-registry-1.4.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=c9c4626e0ba30bd1 -C extra-filename=-86b9f0baf7b5b103 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-cc4c071c0f88af10.rmeta --cap-lints allow --cap-lints=warn` (exit status: 101)
[INFO] [stderr] error: could not compile `mio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name mio --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.8.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="log"' --cfg 'feature="net"' --cfg 'feature="os-ext"' --cfg 'feature="os-poll"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "log", "net", "os-ext", "os-poll"))' -C metadata=e47778d131661188 -C extra-filename=-3389cf656b2629ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-cc4c071c0f88af10.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-bf6af0148a02f969.rmeta --cap-lints allow --cap-lints=warn` (exit status: 101)
[INFO] [stderr] error: could not compile `memchr` (lib)
[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/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name memchr --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memchr-2.7.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "compiler_builtins", "core", "default", "libc", "logging", "rustc-dep-of-std", "std", "use_std"))' -C metadata=61f19c3b3109844d -C extra-filename=-4f2b8f991a060e41 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (exit status: 101)
[INFO] [stderr] error: could not compile `lru` (lib) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaI5ipzx/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itertools` (lib) due to 1 previous error
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: failed to write /tmp/rustcJbEjf1/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex-automata` (lib) due to 1 previous error
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libinotify-781aaa63b5e1da5f.rlib`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inotify` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `difflib` (lib)
[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/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name difflib --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/difflib-0.4.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=39c19b554d82d245 -C extra-filename=-016c02c3e6f56739 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (exit status: 101)
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaZGpQme"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetauGUeVB"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paste` (lib)
[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/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name paste --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/paste-1.0.15/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e603ac9d38fcaa4d -C extra-filename=-9ee4e9294ff6dbae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro --cap-lints allow --cap-lints=warn --check-cfg 'cfg(no_literal_fromstr)' --check-cfg 'cfg(feature, values("protocol_feature_paste"))'` (exit status: 101)
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaBkNoC7/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `indexmap` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `bstr` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `compact_str` (lib) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetag9Zol7/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winnow` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "57c19780d40dd142e80b3aab8ed364bb2e97cdfa3b8c77560fd4b6a141ede976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c19780d40dd142e80b3aab8ed364bb2e97cdfa3b8c77560fd4b6a141ede976", kill_on_drop: false }`
[INFO] [stdout] 57c19780d40dd142e80b3aab8ed364bb2e97cdfa3b8c77560fd4b6a141ede976