[INFO] fetching crate PasswordGenerator 0.1.0...
[INFO] checking PasswordGenerator-0.1.0 against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] extracting crate PasswordGenerator 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate PasswordGenerator 0.1.0
[INFO] finished tweaking crates.io crate PasswordGenerator 0.1.0
[INFO] tweaked toml for crates.io crate PasswordGenerator 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate PasswordGenerator 0.1.0 on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate PasswordGenerator 0.1.0 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking PasswordGenerator-0.1.0 against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] extracting crate PasswordGenerator 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate PasswordGenerator 0.1.0
[INFO] finished tweaking crates.io crate PasswordGenerator 0.1.0
[INFO] tweaked toml for crates.io crate PasswordGenerator 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate PasswordGenerator 0.1.0 on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate PasswordGenerator 0.1.0 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d57a11960433e402bdb6a7a6a22851102b913f708e9ab2ff1382472063638622
[INFO] running `Command { std: "docker" "start" "-a" "d57a11960433e402bdb6a7a6a22851102b913f708e9ab2ff1382472063638622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57a11960433e402bdb6a7a6a22851102b913f708e9ab2ff1382472063638622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57a11960433e402bdb6a7a6a22851102b913f708e9ab2ff1382472063638622", kill_on_drop: false }`
[INFO] [stdout] d57a11960433e402bdb6a7a6a22851102b913f708e9ab2ff1382472063638622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49975d0f9b6734b9cc6b00afd07299fcf18b81fdd2df60d218030ddd86c5713d
[INFO] running `Command { std: "docker" "start" "-a" "49975d0f9b6734b9cc6b00afd07299fcf18b81fdd2df60d218030ddd86c5713d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking PasswordGenerator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Arg`
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Parser, Arg};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arg`
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Parser, Arg};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uppercase`
[INFO] [stdout]   --> src/main.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn password_generator(length: u8, special: bool, uppercase: bool, number: bool, separator: char, segment_length: usize) -> String {
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uppercase`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/main.rs:33:67
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn password_generator(length: u8, special: bool, uppercase: bool, number: bool, separator: char, segment_length: usize) -> String {
[INFO] [stdout]    |                                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uppercase`
[INFO] [stdout]   --> src/main.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn password_generator(length: u8, special: bool, uppercase: bool, number: bool, separator: char, segment_length: usize) -> String {
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uppercase`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/main.rs:33:67
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn password_generator(length: u8, special: bool, uppercase: bool, number: bool, separator: char, segment_length: usize) -> String {
[INFO] [stdout]    |                                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "49975d0f9b6734b9cc6b00afd07299fcf18b81fdd2df60d218030ddd86c5713d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49975d0f9b6734b9cc6b00afd07299fcf18b81fdd2df60d218030ddd86c5713d", kill_on_drop: false }`
[INFO] [stdout] 49975d0f9b6734b9cc6b00afd07299fcf18b81fdd2df60d218030ddd86c5713d