[INFO] fetching crate awabi 0.3.0...
[INFO] checking awabi-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate awabi 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate awabi 0.3.0 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 crates.io crate awabi 0.3.0
[INFO] finished tweaking crates.io crate awabi 0.3.0
[INFO] tweaked toml for crates.io crate awabi 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate awabi 0.3.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] [stderr]   Downloaded regex v1.3.7
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e4210154eab2a4554205b0407c7562caf5b433bbf1383e3694677e9f77c6b2b2
[INFO] running `Command { std: "docker" "start" "-a" "e4210154eab2a4554205b0407c7562caf5b433bbf1383e3694677e9f77c6b2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4210154eab2a4554205b0407c7562caf5b433bbf1383e3694677e9f77c6b2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4210154eab2a4554205b0407c7562caf5b433bbf1383e3694677e9f77c6b2b2", kill_on_drop: false }`
[INFO] [stdout] e4210154eab2a4554205b0407c7562caf5b433bbf1383e3694677e9f77c6b2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ad9fd993177679f88d29496ab5f03b5f3a99f7bc51f096130058748e3648b2d3
[INFO] running `Command { std: "docker" "start" "-a" "ad9fd993177679f88d29496ab5f03b5f3a99f7bc51f096130058748e3648b2d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking awabi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `dic_size`, `lsize`, and `rsize` are never read
[INFO] [stdout]    --> src/dic.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub struct MeCabDic {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 247 |     pub mmap: Mmap,
[INFO] [stdout] 248 |     pub dic_size: u32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 249 |     lsize: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 250 |     rsize: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MeCabDic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rsize` is never read
[INFO] [stdout]    --> src/dic.rs:413:9
[INFO] [stdout]     |
[INFO] [stdout] 410 | pub struct Matrix {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 413 |     pub rsize: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lsize` and `rsize` are never read
[INFO] [stdout]    --> src/dic.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub struct MeCabDic {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 249 |     lsize: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 250 |     rsize: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MeCabDic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rsize` is never read
[INFO] [stdout]    --> src/dic.rs:413:9
[INFO] [stdout]     |
[INFO] [stdout] 410 | pub struct Matrix {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 413 |     pub rsize: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "ad9fd993177679f88d29496ab5f03b5f3a99f7bc51f096130058748e3648b2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9fd993177679f88d29496ab5f03b5f3a99f7bc51f096130058748e3648b2d3", kill_on_drop: false }`
[INFO] [stdout] ad9fd993177679f88d29496ab5f03b5f3a99f7bc51f096130058748e3648b2d3