[INFO] fetching crate sub-strs 0.29.3...
[INFO] checking sub-strs-0.29.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate sub-strs 0.29.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sub-strs 0.29.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sub-strs 0.29.3
[INFO] tweaked toml for crates.io crate sub-strs 0.29.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sub-strs 0.29.3 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a62a871f2194bc66ab3ed76c1f6ab263cd058481f99c1db09ef98dc42af5317
[INFO] running `Command { std: "docker" "start" "-a" "4a62a871f2194bc66ab3ed76c1f6ab263cd058481f99c1db09ef98dc42af5317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a62a871f2194bc66ab3ed76c1f6ab263cd058481f99c1db09ef98dc42af5317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a62a871f2194bc66ab3ed76c1f6ab263cd058481f99c1db09ef98dc42af5317", kill_on_drop: false }`
[INFO] [stdout] 4a62a871f2194bc66ab3ed76c1f6ab263cd058481f99c1db09ef98dc42af5317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb507fb85ea3a29b8c30ab2c2a75be54feb344f8b8d8dbd13dd7ea85993becd7
[INFO] running `Command { std: "docker" "start" "-a" "cb507fb85ea3a29b8c30ab2c2a75be54feb344f8b8d8dbd13dd7ea85993becd7", kill_on_drop: false }`
[INFO] [stderr]     Checking sub-strs v0.29.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:53:26
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub (crate) const fn new(line: u32, module_path: &'static str, msg: Option<Cow<'static, str>>) -> Self {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:53:26
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub (crate) const fn new(line: u32, module_path: &'static str, msg: Option<Cow<'static, str>>) -> Self {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "cb507fb85ea3a29b8c30ab2c2a75be54feb344f8b8d8dbd13dd7ea85993becd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb507fb85ea3a29b8c30ab2c2a75be54feb344f8b8d8dbd13dd7ea85993becd7", kill_on_drop: false }`
[INFO] [stdout] cb507fb85ea3a29b8c30ab2c2a75be54feb344f8b8d8dbd13dd7ea85993becd7