[INFO] cloning repository https://github.com/Jacoblightning/FatCopy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jacoblightning/FatCopy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoblightning%2FFatCopy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoblightning%2FFatCopy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de00050a920552489cb9236902cfc80370cff084
[INFO] checking Jacoblightning/FatCopy against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoblightning%2FFatCopy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jacoblightning/FatCopy
[INFO] finished tweaking git repo https://github.com/Jacoblightning/FatCopy
[INFO] tweaked toml for git repo https://github.com/Jacoblightning/FatCopy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jacoblightning/FatCopy on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jacoblightning/FatCopy 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `FatCopy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../FatCopy
[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 `fat-copy`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "FatCopy"
[INFO] [stderr] 10 + name = "fat-copy"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `fat-copy`, 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 = "fat-copy"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `FatCopy` (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 Jacoblightning/FatCopy against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoblightning%2FFatCopy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jacoblightning/FatCopy
[INFO] finished tweaking git repo https://github.com/Jacoblightning/FatCopy
[INFO] tweaked toml for git repo https://github.com/Jacoblightning/FatCopy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jacoblightning/FatCopy on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jacoblightning/FatCopy 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `FatCopy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../FatCopy
[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 `fat-copy`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "FatCopy"
[INFO] [stderr] 10 + name = "fat-copy"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `fat-copy`, 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 = "fat-copy"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `FatCopy` (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 prefix_parser v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1
[INFO] running `Command { std: "docker" "start" "21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1", 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" "21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1", 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 --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `FatCopy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../FatCopy
[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 `fat-copy`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "FatCopy"
[INFO] [stderr] 10 + name = "fat-copy"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `fat-copy`, 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 = "fat-copy"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `FatCopy` (manifest) generated 1 warning
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking prefix_parser v0.1.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]     Checking FatCopy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut fat_file_writer;
[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: `source`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let source = args.source;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination`
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let destination = args.destination;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `length` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let length;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_length` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fat_file_writer` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut fat_file_writer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_fat_file_writer` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `length` is never read
[INFO] [stdout]   --> src/main.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 length = __length;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `length` is never read
[INFO] [stdout]   --> src/main.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 length = metadata.len() as i128
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fat_file_writer` is never read
[INFO] [stdout]    --> src/main.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     fat_file_writer = BufWriter::new(_tmp2);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut fat_file_writer;
[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: `source`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let source = args.source;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination`
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let destination = args.destination;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `length` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let length;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_length` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fat_file_writer` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut fat_file_writer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_fat_file_writer` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `length` is never read
[INFO] [stdout]   --> src/main.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 length = __length;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `length` is never read
[INFO] [stdout]   --> src/main.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 length = metadata.len() as i128
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fat_file_writer` is never read
[INFO] [stdout]    --> src/main.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     fat_file_writer = BufWriter::new(_tmp2);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1", kill_on_drop: false }`
[INFO] [stdout] 21ffc5796e24e32f80967c8f7df481b52b53a7751b0fe1d655e1161edcc013f1
