[INFO] cloning repository https://github.com/analog-hors/lunatic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/analog-hors/lunatic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanalog-hors%2Flunatic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanalog-hors%2Flunatic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dc49092adafdbe92867eee2b329f5a116febbb1
[INFO] checking analog-hors/lunatic against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanalog-hors%2Flunatic" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/analog-hors/lunatic 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/analog-hors/lunatic
[INFO] finished tweaking git repo https://github.com/analog-hors/lunatic
[INFO] tweaked toml for git repo https://github.com/analog-hors/lunatic written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/analog-hors/lunatic 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 arraydeque v0.4.5
[INFO] [stderr]   Downloaded rustc-demangle v0.1.19
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] [stderr]   Downloaded addr2line v0.15.1
[INFO] [stderr]   Downloaded vampirc-uci v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 234ed72aea41d77ca3e3b420d35c991eb22f115e67d6ce14974d661b6a5da741
[INFO] running `Command { std: "docker" "start" "-a" "234ed72aea41d77ca3e3b420d35c991eb22f115e67d6ce14974d661b6a5da741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "234ed72aea41d77ca3e3b420d35c991eb22f115e67d6ce14974d661b6a5da741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234ed72aea41d77ca3e3b420d35c991eb22f115e67d6ce14974d661b6a5da741", kill_on_drop: false }`
[INFO] [stdout] 234ed72aea41d77ca3e3b420d35c991eb22f115e67d6ce14974d661b6a5da741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e65fa1dc3100eb5429212cc565115181ffd232441a0fe14f2fb490b677ebd301
[INFO] running `Command { std: "docker" "start" "-a" "e65fa1dc3100eb5429212cc565115181ffd232441a0fe14f2fb490b677ebd301", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]     Checking lunatic v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stderr]     Checking vampirc-uci v0.11.0
[INFO] [stderr]     Checking lunatic-uci v0.1.0 (/opt/rustwide/workdir/uci)
[INFO] [stdout] warning: the item `SearchOptions` is imported redundantly
[INFO] [stdout]  --> uci/src/bench.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lunatic::search::*;
[INFO] [stdout]   |     ------------------ the item `SearchOptions` is already imported here
[INFO] [stdout] 4 | use lunatic::search::SearchOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SearchOptions` is imported redundantly
[INFO] [stdout]  --> uci/src/bench.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lunatic::search::*;
[INFO] [stdout]   |     ------------------ the item `SearchOptions` is already imported here
[INFO] [stdout] 4 | use lunatic::search::SearchOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.13s
[INFO] running `Command { std: "docker" "inspect" "e65fa1dc3100eb5429212cc565115181ffd232441a0fe14f2fb490b677ebd301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65fa1dc3100eb5429212cc565115181ffd232441a0fe14f2fb490b677ebd301", kill_on_drop: false }`
[INFO] [stdout] e65fa1dc3100eb5429212cc565115181ffd232441a0fe14f2fb490b677ebd301
[INFO] checking analog-hors/lunatic against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanalog-hors%2Flunatic" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/analog-hors/lunatic 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] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/analog-hors/lunatic
[INFO] finished tweaking git repo https://github.com/analog-hors/lunatic
[INFO] tweaked toml for git repo https://github.com/analog-hors/lunatic written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/analog-hors/lunatic 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 17f7d28aab97ebce7df14b0adec6535dbb388408b3c1d547997920d260fb5a09
[INFO] running `Command { std: "docker" "start" "-a" "17f7d28aab97ebce7df14b0adec6535dbb388408b3c1d547997920d260fb5a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f7d28aab97ebce7df14b0adec6535dbb388408b3c1d547997920d260fb5a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f7d28aab97ebce7df14b0adec6535dbb388408b3c1d547997920d260fb5a09", kill_on_drop: false }`
[INFO] [stdout] 17f7d28aab97ebce7df14b0adec6535dbb388408b3c1d547997920d260fb5a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6635718d234b0016888386e64262c498dd52c50b7abc7aabbcdd7849f626e2f7
[INFO] running `Command { std: "docker" "start" "-a" "6635718d234b0016888386e64262c498dd52c50b7abc7aabbcdd7849f626e2f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]     Checking vampirc-uci v0.11.0
[INFO] [stderr]     Checking lunatic v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stderr]     Checking lunatic-uci v0.1.0 (/opt/rustwide/workdir/uci)
[INFO] [stdout] warning: the item `SearchOptions` is imported redundantly
[INFO] [stdout]  --> uci/src/bench.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lunatic::search::*;
[INFO] [stdout]   |     ------------------ the item `SearchOptions` is already imported here
[INFO] [stdout] 4 | use lunatic::search::SearchOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SearchOptions` is imported redundantly
[INFO] [stdout]  --> uci/src/bench.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lunatic::search::*;
[INFO] [stdout]   |     ------------------ the item `SearchOptions` is already imported here
[INFO] [stdout] 4 | use lunatic::search::SearchOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "6635718d234b0016888386e64262c498dd52c50b7abc7aabbcdd7849f626e2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6635718d234b0016888386e64262c498dd52c50b7abc7aabbcdd7849f626e2f7", kill_on_drop: false }`
[INFO] [stdout] 6635718d234b0016888386e64262c498dd52c50b7abc7aabbcdd7849f626e2f7