[INFO] cloning repository https://github.com/tuzz/k-flip-sat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/k-flip-sat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fk-flip-sat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fk-flip-sat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c94f0161308e958c5ace055d0e7fdf6f2e6ae7b3
[INFO] building tuzz/k-flip-sat against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fk-flip-sat" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:   4% (4952/107023)
Updating files:   5% (5352/107023)
Updating files:   6% (6422/107023)
Updating files:   7% (7492/107023)
Updating files:   8% (8562/107023)
Updating files:   9% (9633/107023)
Updating files:   9% (9670/107023)
Updating files:  10% (10703/107023)
Updating files:  11% (11773/107023)
Updating files:  12% (12843/107023)
Updating files:  13% (13913/107023)
Updating files:  14% (14984/107023)
Updating files:  15% (16054/107023)
Updating files:  15% (16548/107023)
Updating files:  16% (17124/107023)
Updating files:  17% (18194/107023)
Updating files:  18% (19265/107023)
Updating files:  19% (20335/107023)
Updating files:  20% (21405/107023)
Updating files:  20% (22023/107023)
Updating files:  21% (22475/107023)
Updating files:  22% (23546/107023)
Updating files:  23% (24616/107023)
Updating files:  24% (25686/107023)
Updating files:  25% (26756/107023)
Updating files:  25% (27240/107023)
Updating files:  26% (27826/107023)
Updating files:  27% (28897/107023)
Updating files:  28% (29967/107023)
Updating files:  29% (31037/107023)
Updating files:  30% (32107/107023)
Updating files:  31% (33178/107023)
Updating files:  32% (34248/107023)
Updating files:  32% (34521/107023)
Updating files:  33% (35318/107023)
Updating files:  34% (36388/107023)
Updating files:  35% (37459/107023)
Updating files:  36% (38529/107023)
Updating files:  37% (39599/107023)
Updating files:  38% (40669/107023)
Updating files:  39% (41739/107023)
Updating files:  39% (41947/107023)
Updating files:  40% (42810/107023)
Updating files:  41% (43880/107023)
Updating files:  42% (44950/107023)
Updating files:  43% (46020/107023)
Updating files:  44% (47091/107023)
Updating files:  45% (48161/107023)
Updating files:  46% (49231/107023)
Updating files:  47% (50301/107023)
Updating files:  48% (51372/107023)
Updating files:  48% (51855/107023)
Updating files:  49% (52442/107023)
Updating files:  50% (53512/107023)
Updating files:  51% (54582/107023)
Updating files:  52% (55652/107023)
Updating files:  53% (56723/107023)
Updating files:  54% (57793/107023)
Updating files:  54% (58621/107023)
Updating files:  55% (58863/107023)
Updating files:  56% (59933/107023)
Updating files:  57% (61004/107023)
Updating files:  58% (62074/107023)
Updating files:  59% (63144/107023)
Updating files:  60% (64214/107023)
Updating files:  61% (65285/107023)
Updating files:  61% (66156/107023)
Updating files:  62% (66355/107023)
Updating files:  63% (67425/107023)
Updating files:  64% (68495/107023)
Updating files:  65% (69565/107023)
Updating files:  66% (70636/107023)
Updating files:  67% (71706/107023)
Updating files:  67% (72618/107023)
Updating files:  68% (72776/107023)
Updating files:  69% (73846/107023)
Updating files:  70% (74917/107023)
Updating files:  71% (75987/107023)
Updating files:  72% (77057/107023)
Updating files:  73% (78127/107023)
Updating files:  74% (79198/107023)
Updating files:  74% (79303/107023)
Updating files:  75% (80268/107023)
Updating files:  76% (81338/107023)
Updating files:  77% (82408/107023)
Updating files:  78% (83478/107023)
Updating files:  79% (84549/107023)
Updating files:  80% (85619/107023)
Updating files:  80% (86536/107023)
Updating files:  81% (86689/107023)
Updating files:  82% (87759/107023)
Updating files:  83% (88830/107023)
Updating files:  84% (89900/107023)
Updating files:  85% (90970/107023)
Updating files:  86% (92040/107023)
Updating files:  86% (93021/107023)
Updating files:  87% (93111/107023)
Updating files:  88% (94181/107023)
Updating files:  89% (95251/107023)
Updating files:  90% (96321/107023)
Updating files:  91% (97391/107023)
Updating files:  92% (98462/107023)
Updating files:  93% (99532/107023)
Updating files:  94% (100602/107023)
Updating files:  95% (101672/107023)
Updating files:  96% (102743/107023)
Updating files:  97% (103813/107023)
Updating files:  97% (104562/107023)
Updating files:  98% (104883/107023)
Updating files:  99% (105953/107023)
Updating files: 100% (107023/107023)
Updating files: 100% (107023/107023), done.
[INFO] validating manifest of git repo https://github.com/tuzz/k-flip-sat on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuzz/k-flip-sat
[INFO] finished tweaking git repo https://github.com/tuzz/k-flip-sat
[INFO] tweaked toml for git repo https://github.com/tuzz/k-flip-sat written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/k-flip-sat 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xz2 v0.1.6
[INFO] [stderr]   Downloaded copy_dir v0.1.2
[INFO] [stderr]   Downloaded dimacs v0.2.0
[INFO] [stderr]   Downloaded lzma-sys v0.1.16
[INFO] [stderr]   Downloaded ipasir-sys v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e51f03378836bdf25562d4373cb3015cef1984aae14a90927c8f9f3b861ff2b
[INFO] running `Command { std: "docker" "start" "-a" "9e51f03378836bdf25562d4373cb3015cef1984aae14a90927c8f9f3b861ff2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e51f03378836bdf25562d4373cb3015cef1984aae14a90927c8f9f3b861ff2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e51f03378836bdf25562d4373cb3015cef1984aae14a90927c8f9f3b861ff2b", kill_on_drop: false }`
[INFO] [stdout] 9e51f03378836bdf25562d4373cb3015cef1984aae14a90927c8f9f3b861ff2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 602966be541ff915eaf2c397e0938686f9fcdfac6e3dddfa901a272d914e3717
[INFO] running `Command { std: "docker" "start" "-a" "602966be541ff915eaf2c397e0938686f9fcdfac6e3dddfa901a272d914e3717", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling dimacs v0.2.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling ipasir-sys v0.3.0
[INFO] [stderr]    Compiling k-flip-sat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `true_literal` is never used
[INFO] [stdout]   --> src/solver.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solver {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn true_literal(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.8.2, cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "602966be541ff915eaf2c397e0938686f9fcdfac6e3dddfa901a272d914e3717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602966be541ff915eaf2c397e0938686f9fcdfac6e3dddfa901a272d914e3717", kill_on_drop: false }`
[INFO] [stdout] 602966be541ff915eaf2c397e0938686f9fcdfac6e3dddfa901a272d914e3717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a77e9e48b3055ff54228307552fc4dbb4a0808133d56036e5022896d1dca68e
[INFO] running `Command { std: "docker" "start" "-a" "6a77e9e48b3055ff54228307552fc4dbb4a0808133d56036e5022896d1dca68e", kill_on_drop: false }`
[INFO] [stderr]    Compiling k-flip-sat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.8.2, cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6a77e9e48b3055ff54228307552fc4dbb4a0808133d56036e5022896d1dca68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a77e9e48b3055ff54228307552fc4dbb4a0808133d56036e5022896d1dca68e", kill_on_drop: false }`
[INFO] [stdout] 6a77e9e48b3055ff54228307552fc4dbb4a0808133d56036e5022896d1dca68e