[INFO] fetching crate lindera-fst 0.1.1...
[INFO] checking lindera-fst-0.1.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate lindera-fst 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lindera-fst 0.1.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lindera-fst 0.1.1
[INFO] finished tweaking crates.io crate lindera-fst 0.1.1
[INFO] tweaked toml for crates.io crate lindera-fst 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded levenshtein_automata v0.1.1
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] [stderr]   Downloaded quickcheck v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7da06dd1a100e0412b15ed062671b276ae23d88d71639310c50515d8f673abdc
[INFO] running `Command { std: "docker" "start" "-a" "7da06dd1a100e0412b15ed062671b276ae23d88d71639310c50515d8f673abdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7da06dd1a100e0412b15ed062671b276ae23d88d71639310c50515d8f673abdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da06dd1a100e0412b15ed062671b276ae23d88d71639310c50515d8f673abdc", kill_on_drop: false }`
[INFO] [stdout] 7da06dd1a100e0412b15ed062671b276ae23d88d71639310c50515d8f673abdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f01d4dbd2a5e4bbba4e843bfb072a729b98b5715cd662f9cb1ce531ed1eea0b5
[INFO] running `Command { std: "docker" "start" "-a" "f01d4dbd2a5e4bbba4e843bfb072a729b98b5715cd662f9cb1ce531ed1eea0b5", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking lindera-fst v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]     --> src/raw/mod.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         mem::replace(&mut self.buf, new_buf);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]     --> src/raw/mod.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         mem::replace(&mut self.buf, new_buf);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `Command { std: "docker" "inspect" "f01d4dbd2a5e4bbba4e843bfb072a729b98b5715cd662f9cb1ce531ed1eea0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01d4dbd2a5e4bbba4e843bfb072a729b98b5715cd662f9cb1ce531ed1eea0b5", kill_on_drop: false }`
[INFO] [stdout] f01d4dbd2a5e4bbba4e843bfb072a729b98b5715cd662f9cb1ce531ed1eea0b5