[INFO] fetching crate cpi 0.2.0...
[INFO] checking cpi-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate cpi 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cpi 0.2.0
[INFO] finished tweaking crates.io crate cpi 0.2.0
[INFO] tweaked toml for crates.io crate cpi 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpi 0.2.0 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] crate crates.io crate cpi 0.2.0 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" "+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] ac72c838dccffa6bcc2a70904dc9f3ee1f87f41baf83f75661e9fd683cbb86b9
[INFO] running `Command { std: "docker" "start" "-a" "ac72c838dccffa6bcc2a70904dc9f3ee1f87f41baf83f75661e9fd683cbb86b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac72c838dccffa6bcc2a70904dc9f3ee1f87f41baf83f75661e9fd683cbb86b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac72c838dccffa6bcc2a70904dc9f3ee1f87f41baf83f75661e9fd683cbb86b9", kill_on_drop: false }`
[INFO] [stdout] ac72c838dccffa6bcc2a70904dc9f3ee1f87f41baf83f75661e9fd683cbb86b9
[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] b8219784c7e7d1f83369e603195a0fe38793677b0b164f6385517bec17faeda6
[INFO] running `Command { std: "docker" "start" "-a" "b8219784c7e7d1f83369e603195a0fe38793677b0b164f6385517bec17faeda6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking path-dedot v3.1.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking path-absolutize v3.1.0
[INFO] [stderr]     Checking time v0.3.28
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking globset v0.4.12
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking cpi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:210:29
[INFO] [stdout]     |
[INFO] [stdout] 210 |                         Err(err) => {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:206:29
[INFO] [stdout]     |
[INFO] [stdout] 206 | ...                   io::copy(&mut file, &mut buffer);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |                             let _ = io::copy(&mut file, &mut buffer);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:208:29
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   zip_writer.write_all(&buffer);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 208 |                             let _ = zip_writer.write_all(&buffer);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:210:29
[INFO] [stdout]     |
[INFO] [stdout] 210 |                         Err(err) => {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:206:29
[INFO] [stdout]     |
[INFO] [stdout] 206 | ...                   io::copy(&mut file, &mut buffer);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |                             let _ = io::copy(&mut file, &mut buffer);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.81s
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:208:29
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   zip_writer.write_all(&buffer);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 208 |                             let _ = zip_writer.write_all(&buffer);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8219784c7e7d1f83369e603195a0fe38793677b0b164f6385517bec17faeda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8219784c7e7d1f83369e603195a0fe38793677b0b164f6385517bec17faeda6", kill_on_drop: false }`
[INFO] [stdout] b8219784c7e7d1f83369e603195a0fe38793677b0b164f6385517bec17faeda6