[INFO] cloning repository https://github.com/NotLeonian/not_leonian_ac_lib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NotLeonian/not_leonian_ac_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotLeonian%2Fnot_leonian_ac_lib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotLeonian%2Fnot_leonian_ac_lib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9b182f60551d238abe6948d20fbac4c2694f3cd [INFO] checking NotLeonian/not_leonian_ac_lib against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotLeonian%2Fnot_leonian_ac_lib" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NotLeonian/not_leonian_ac_lib on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NotLeonian/not_leonian_ac_lib [INFO] finished tweaking git repo https://github.com/NotLeonian/not_leonian_ac_lib [INFO] tweaked toml for git repo https://github.com/NotLeonian/not_leonian_ac_lib written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NotLeonian/not_leonian_ac_lib 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_hc v0.3.2 [INFO] [stderr] Downloaded proconio v0.4.5 [INFO] [stderr] Downloaded proconio-derive v0.2.1 [INFO] [stderr] Downloaded multimap v0.9.0 [INFO] [stderr] Downloaded memoise v0.3.2 [INFO] [stderr] Downloaded ac-library-rs v0.1.1 [INFO] [stderr] Downloaded btreemultimap v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbbd2d1ae1ad086675df6a44eaa0e32589c0d957ac803c6d6fcc1f664f5b6d07 [INFO] running `Command { std: "docker" "start" "-a" "cbbd2d1ae1ad086675df6a44eaa0e32589c0d957ac803c6d6fcc1f664f5b6d07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbbd2d1ae1ad086675df6a44eaa0e32589c0d957ac803c6d6fcc1f664f5b6d07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbbd2d1ae1ad086675df6a44eaa0e32589c0d957ac803c6d6fcc1f664f5b6d07", kill_on_drop: false }` [INFO] [stdout] cbbd2d1ae1ad086675df6a44eaa0e32589c0d957ac803c6d6fcc1f664f5b6d07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 518cac813078e5f8db03bf866cb0152728bdb6d593151e810f4f419afb30acd8 [INFO] running `Command { std: "docker" "start" "-a" "518cac813078e5f8db03bf866cb0152728bdb6d593151e810f4f419afb30acd8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking ac-library-rs v0.1.1 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking rand_hc v0.3.2 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking ordered-float v3.7.0 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.3.6 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Compiling num-derive v0.4.0 [INFO] [stderr] Checking multimap v0.9.0 [INFO] [stderr] Checking btreemultimap v0.1.1 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Compiling proconio-derive v0.2.1 [INFO] [stderr] Compiling memoise v0.3.2 [INFO] [stderr] Checking proconio v0.4.5 [INFO] [stderr] Checking not_leonian_ac_lib v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.31s [INFO] running `Command { std: "docker" "inspect" "518cac813078e5f8db03bf866cb0152728bdb6d593151e810f4f419afb30acd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "518cac813078e5f8db03bf866cb0152728bdb6d593151e810f4f419afb30acd8", kill_on_drop: false }` [INFO] [stdout] 518cac813078e5f8db03bf866cb0152728bdb6d593151e810f4f419afb30acd8 [INFO] checking NotLeonian/not_leonian_ac_lib against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotLeonian%2Fnot_leonian_ac_lib" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NotLeonian/not_leonian_ac_lib on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NotLeonian/not_leonian_ac_lib [INFO] finished tweaking git repo https://github.com/NotLeonian/not_leonian_ac_lib [INFO] tweaked toml for git repo https://github.com/NotLeonian/not_leonian_ac_lib written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NotLeonian/not_leonian_ac_lib 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 113c18b151195d4a71d04f5d39896bc91a22e26a36ebd8a6bf18b6f2fd92d864 [INFO] running `Command { std: "docker" "start" "-a" "113c18b151195d4a71d04f5d39896bc91a22e26a36ebd8a6bf18b6f2fd92d864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "113c18b151195d4a71d04f5d39896bc91a22e26a36ebd8a6bf18b6f2fd92d864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "113c18b151195d4a71d04f5d39896bc91a22e26a36ebd8a6bf18b6f2fd92d864", kill_on_drop: false }` [INFO] [stdout] 113c18b151195d4a71d04f5d39896bc91a22e26a36ebd8a6bf18b6f2fd92d864 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae9aeff4c7772f1e5ebb097ad3d233cc0b6a8b24c6862fad7e1328cc1dcecc2a [INFO] running `Command { std: "docker" "start" "-a" "ae9aeff4c7772f1e5ebb097ad3d233cc0b6a8b24c6862fad7e1328cc1dcecc2a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking ac-library-rs v0.1.1 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking rand_hc v0.3.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking ordered-float v3.7.0 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking regex-automata v0.3.6 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Compiling num-derive v0.4.0 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking multimap v0.9.0 [INFO] [stderr] Checking btreemultimap v0.1.1 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Compiling proconio-derive v0.2.1 [INFO] [stderr] Compiling memoise v0.3.2 [INFO] [stderr] Checking proconio v0.4.5 [INFO] [stderr] Checking not_leonian_ac_lib v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.32s [INFO] running `Command { std: "docker" "inspect" "ae9aeff4c7772f1e5ebb097ad3d233cc0b6a8b24c6862fad7e1328cc1dcecc2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae9aeff4c7772f1e5ebb097ad3d233cc0b6a8b24c6862fad7e1328cc1dcecc2a", kill_on_drop: false }` [INFO] [stdout] ae9aeff4c7772f1e5ebb097ad3d233cc0b6a8b24c6862fad7e1328cc1dcecc2a