[INFO] cloning repository https://github.com/KellanMebane/rust_cat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KellanMebane/rust_cat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKellanMebane%2Frust_cat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKellanMebane%2Frust_cat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fa8d8c61345aac26f3f830252bca6669cbf1bbe
[INFO] checking KellanMebane/rust_cat against e3607d549209cc9fdfe7e907123b4185210e2c2b for pr-158915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKellanMebane%2Frust_cat" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KellanMebane/rust_cat
[INFO] finished tweaking git repo https://github.com/KellanMebane/rust_cat
[INFO] tweaked toml for git repo https://github.com/KellanMebane/rust_cat written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KellanMebane/rust_cat on toolchain e3607d549209cc9fdfe7e907123b4185210e2c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KellanMebane/rust_cat 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" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_cat` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc2/source/target/.../rust_cat
[INFO] [stderr]    |                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-cat`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rust_cat"
[INFO] [stderr] 10 + name = "rust-cat"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rust-cat`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ version = "0.1.0"
[INFO] [stderr] 12 + [[bin]]
[INFO] [stderr] 13 + name = "rust-cat"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rust_cat` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking KellanMebane/rust_cat against e3607d549209cc9fdfe7e907123b4185210e2c2b for pr-158915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKellanMebane%2Frust_cat" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KellanMebane/rust_cat
[INFO] finished tweaking git repo https://github.com/KellanMebane/rust_cat
[INFO] tweaked toml for git repo https://github.com/KellanMebane/rust_cat written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KellanMebane/rust_cat on toolchain e3607d549209cc9fdfe7e907123b4185210e2c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KellanMebane/rust_cat 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" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_cat` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc2/source/target/.../rust_cat
[INFO] [stderr]    |                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-cat`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rust_cat"
[INFO] [stderr] 10 + name = "rust-cat"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rust-cat`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ version = "0.1.0"
[INFO] [stderr] 12 + [[bin]]
[INFO] [stderr] 13 + name = "rust-cat"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rust_cat` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded patharg v0.4.0
[INFO] [stderr]   Downloaded once_cell v1.21.1
[INFO] [stderr]   Downloaded clap_builder v4.5.32
[INFO] [stderr]   Downloaded clap v4.5.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724
[INFO] running `Command { std: "docker" "start" "dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724", 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" "dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724", 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" "dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_cat` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../rust_cat
[INFO] [stderr]    |                          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-cat`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rust_cat"
[INFO] [stderr] 10 + name = "rust-cat"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rust-cat`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ version = "0.1.0"
[INFO] [stderr] 12 + [[bin]]
[INFO] [stderr] 13 + name = "rust-cat"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rust_cat` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking patharg v0.4.0
[INFO] [stderr]     Checking clap_builder v4.5.32
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.32
[INFO] [stderr]     Checking rust_cat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cat.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut stdout_writer = io::stdout().lock();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cat.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut stdout_writer = io::stdout().lock();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout_writer`
[INFO] [stdout]   --> src/cat.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut stdout_writer = io::stdout().lock();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout_writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout_writer`
[INFO] [stdout]   --> src/cat.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut stdout_writer = io::stdout().lock();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout_writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes_to_writer` is never used
[INFO] [stdout]   --> src/cat.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn write_bytes_to_writer<W: Write>(bytes: &[u8], writer: &mut W) -> io::Result<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes_to_writer` is never used
[INFO] [stdout]   --> src/cat.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn write_bytes_to_writer<W: Write>(bytes: &[u8], writer: &mut W) -> io::Result<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724", kill_on_drop: false }`
[INFO] [stdout] dbf4e0f13081cb2ce1a198fca97d731fe573e502fce125fef9259297bfb6a724
