[INFO] fetching crate msolve 0.6.0... [INFO] building msolve-0.6.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate msolve 0.6.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate msolve 0.6.0 [INFO] finished tweaking crates.io crate msolve 0.6.0 [INFO] tweaked toml for crates.io crate msolve 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate msolve 0.6.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate msolve 0.6.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 807df95ac3389c367cac256d70f0997939e6e9ea7aea5e1c819c1e5896e97e8b [INFO] running `Command { std: "docker" "start" "-a" "807df95ac3389c367cac256d70f0997939e6e9ea7aea5e1c819c1e5896e97e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "807df95ac3389c367cac256d70f0997939e6e9ea7aea5e1c819c1e5896e97e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "807df95ac3389c367cac256d70f0997939e6e9ea7aea5e1c819c1e5896e97e8b", kill_on_drop: false }` [INFO] [stdout] 807df95ac3389c367cac256d70f0997939e6e9ea7aea5e1c819c1e5896e97e8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d177709a2074c26fed5c66b1ed654a662925118b82dec321f9259ffeae71135 [INFO] running `Command { std: "docker" "start" "-a" "9d177709a2074c26fed5c66b1ed654a662925118b82dec321f9259ffeae71135", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling msolve v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `default` [INFO] [stdout] --> src/lib.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(default)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "default"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(default)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(default)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `default` [INFO] [stdout] --> src/lib.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(default)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "default"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(default)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(default)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/main.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | if let Ok(sudoku) = buffer.parse::() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 5.79s [INFO] running `Command { std: "docker" "inspect" "9d177709a2074c26fed5c66b1ed654a662925118b82dec321f9259ffeae71135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d177709a2074c26fed5c66b1ed654a662925118b82dec321f9259ffeae71135", kill_on_drop: false }` [INFO] [stdout] 9d177709a2074c26fed5c66b1ed654a662925118b82dec321f9259ffeae71135 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04b04bcdd8c829cbc3adb7a47d92076994bb920ded6e48bd3ac66978a405e039 [INFO] running `Command { std: "docker" "start" "-a" "04b04bcdd8c829cbc3adb7a47d92076994bb920ded6e48bd3ac66978a405e039", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling quickcheck v0.9.2 [INFO] [stdout] warning: unexpected `cfg` condition name: `default` [INFO] [stdout] --> src/lib.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(default)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "default"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(default)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(default)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling sudoku v0.7.0 [INFO] [stderr] error: could not compile `regex-syntax` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name regex_syntax --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=d2e359a429f71c14 -C extra-filename=-5f20ab3ce782469f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `serde` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name serde --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.114/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "derive", "rc", "serde_derive", "std", "unstable"))' -C metadata=ceb2b7c1a2bfe738 -C extra-filename=-70bb6457213a8977 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "04b04bcdd8c829cbc3adb7a47d92076994bb920ded6e48bd3ac66978a405e039", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04b04bcdd8c829cbc3adb7a47d92076994bb920ded6e48bd3ac66978a405e039", kill_on_drop: false }` [INFO] [stdout] 04b04bcdd8c829cbc3adb7a47d92076994bb920ded6e48bd3ac66978a405e039