[INFO] cloning repository https://github.com/mingyli/fastfinge-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingyli/fastfinge-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Ffastfinge-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Ffastfinge-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a1ecd659599562e7117decaaa05f29a3eb5493a
[INFO] checking mingyli/fastfinge-rs against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Ffastfinge-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mingyli/fastfinge-rs on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mingyli/fastfinge-rs
[INFO] finished tweaking git repo https://github.com/mingyli/fastfinge-rs
[INFO] tweaked toml for git repo https://github.com/mingyli/fastfinge-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mingyli/fastfinge-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ddd439739a6fc522a3eb0555582f43f2b810ac9b6badab71d4d583983074073
[INFO] running `Command { std: "docker" "start" "-a" "4ddd439739a6fc522a3eb0555582f43f2b810ac9b6badab71d4d583983074073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ddd439739a6fc522a3eb0555582f43f2b810ac9b6badab71d4d583983074073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddd439739a6fc522a3eb0555582f43f2b810ac9b6badab71d4d583983074073", kill_on_drop: false }`
[INFO] [stdout] 4ddd439739a6fc522a3eb0555582f43f2b810ac9b6badab71d4d583983074073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68836ef34573e980c458f11adc373c9bfee8015dbcfed37e607e5d00a8326f39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "68836ef34573e980c458f11adc373c9bfee8015dbcfed37e607e5d00a8326f39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-map v0.6.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking cursive v0.13.0
[INFO] [stderr]     Checking fastfinge-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `initial_words`
[INFO] [stdout]   --> src/view/view_builder.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     initial_words: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `initial_words`
[INFO] [stdout]   --> src/view/view_builder.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     initial_words: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "68836ef34573e980c458f11adc373c9bfee8015dbcfed37e607e5d00a8326f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68836ef34573e980c458f11adc373c9bfee8015dbcfed37e607e5d00a8326f39", kill_on_drop: false }`
[INFO] [stdout] 68836ef34573e980c458f11adc373c9bfee8015dbcfed37e607e5d00a8326f39