[INFO] fetching crate vocab 0.2.0...
[INFO] checking vocab-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate vocab 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate vocab 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vocab 0.2.0
[INFO] finished tweaking crates.io crate vocab 0.2.0
[INFO] tweaked toml for crates.io crate vocab 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate vocab 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbbabc610393a7370be60a5885d9a018fcb558b78f789451bc1bfb6b310a9a31
[INFO] running `Command { std: "docker" "start" "-a" "cbbabc610393a7370be60a5885d9a018fcb558b78f789451bc1bfb6b310a9a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbbabc610393a7370be60a5885d9a018fcb558b78f789451bc1bfb6b310a9a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbabc610393a7370be60a5885d9a018fcb558b78f789451bc1bfb6b310a9a31", kill_on_drop: false }`
[INFO] [stdout] cbbabc610393a7370be60a5885d9a018fcb558b78f789451bc1bfb6b310a9a31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35600934c060036f4c3677295f27e77676aadc888e22f02668a0469a7ee94f9a
[INFO] running `Command { std: "docker" "start" "-a" "35600934c060036f4c3677295f27e77676aadc888e22f02668a0469a7ee94f9a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking vocab v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vocab_store`
[INFO] [stdout]   --> src/vocab_store/entires.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let vocab_store = VocabStore::init(&TEST_FILE).unwrap(); // Init DB
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vocab_store`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vocab_store/translation.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut old_translation = Translation::new("no", "いいえ");
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vocab_store/translation.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let mut new_translation = Translation::new("japan", "日本");
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.43s
[INFO] running `Command { std: "docker" "inspect" "35600934c060036f4c3677295f27e77676aadc888e22f02668a0469a7ee94f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35600934c060036f4c3677295f27e77676aadc888e22f02668a0469a7ee94f9a", kill_on_drop: false }`
[INFO] [stdout] 35600934c060036f4c3677295f27e77676aadc888e22f02668a0469a7ee94f9a