[INFO] fetching crate pesel 0.1.3...
[INFO] checking pesel-0.1.3 against try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] extracting crate pesel 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate pesel 0.1.3
[INFO] finished tweaking crates.io crate pesel 0.1.3
[INFO] tweaked toml for crates.io crate pesel 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pesel 0.1.3 on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pesel 0.1.3 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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9b6919049a7b0e34a8da25feb1f7a57121715a3e9bfeabe121d55643eeee3c9f
[INFO] running `Command { std: "docker" "start" "9b6919049a7b0e34a8da25feb1f7a57121715a3e9bfeabe121d55643eeee3c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9b6919049a7b0e34a8da25feb1f7a57121715a3e9bfeabe121d55643eeee3c9f" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b6919049a7b0e34a8da25feb1f7a57121715a3e9bfeabe121d55643eeee3c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9b6919049a7b0e34a8da25feb1f7a57121715a3e9bfeabe121d55643eeee3c9f" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking pesel v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `checksum` is never read
[INFO] [stdout]   --> src/pesel.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct PESEL {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     checksum:   u8,                 // checksum used for validation
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PESEL` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pesel.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |             raw: s.clone().to_string(),
[INFO] [stdout]     |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checksum` is never read
[INFO] [stdout]   --> src/pesel.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct PESEL {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     checksum:   u8,                 // checksum used for validation
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PESEL` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pesel.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |             raw: s.clone().to_string(),
[INFO] [stdout]     |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "9b6919049a7b0e34a8da25feb1f7a57121715a3e9bfeabe121d55643eeee3c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6919049a7b0e34a8da25feb1f7a57121715a3e9bfeabe121d55643eeee3c9f", kill_on_drop: false }`
[INFO] [stdout] 9b6919049a7b0e34a8da25feb1f7a57121715a3e9bfeabe121d55643eeee3c9f
