[INFO] cloning repository https://github.com/merci-libre/shred-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merci-libre/shred-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerci-libre%2Fshred-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerci-libre%2Fshred-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98cc746d18752a4f6e8e82b22e9e1561bb7d3439
[INFO] checking merci-libre/shred-rs against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerci-libre%2Fshred-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/merci-libre/shred-rs
[INFO] finished tweaking git repo https://github.com/merci-libre/shred-rs
[INFO] tweaked toml for git repo https://github.com/merci-libre/shred-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/merci-libre/shred-rs on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/merci-libre/shred-rs 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93b5e863d18128d6ec9908a8130f67121dd922030bc90be71316c815a126e636
[INFO] running `Command { std: "docker" "start" "-a" "93b5e863d18128d6ec9908a8130f67121dd922030bc90be71316c815a126e636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93b5e863d18128d6ec9908a8130f67121dd922030bc90be71316c815a126e636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b5e863d18128d6ec9908a8130f67121dd922030bc90be71316c815a126e636", kill_on_drop: false }`
[INFO] [stdout] 93b5e863d18128d6ec9908a8130f67121dd922030bc90be71316c815a126e636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac09d7f6e1677e9c0dbca4b7deae6a37c94d02f9c391865da0c8bac210b1e54b
[INFO] running `Command { std: "docker" "start" "-a" "ac09d7f6e1677e9c0dbca4b7deae6a37c94d02f9c391865da0c8bac210b1e54b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.39
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.39
[INFO] [stderr]     Checking shred-rust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/overwrite.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/overwrite.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/overwrite.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/overwrite.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/overwrite.rs:25:55
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/overwrite.rs:25:55
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/overwrite.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |                        ----^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/overwrite.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |                        ----^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_vector_pattern` is never used
[INFO] [stdout]   --> src/overwrite.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pattern_overwrite` is never used
[INFO] [stdout]   --> src/overwrite.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn pattern_overwrite(size: usize, mut file: &File, opt: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_vector_pattern` is never used
[INFO] [stdout]   --> src/overwrite.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn fill_vector_pattern(mut vec: Vec<u8>, size: usize, opt: u8) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pattern_overwrite` is never used
[INFO] [stdout]   --> src/overwrite.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn pattern_overwrite(size: usize, mut file: &File, opt: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "ac09d7f6e1677e9c0dbca4b7deae6a37c94d02f9c391865da0c8bac210b1e54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac09d7f6e1677e9c0dbca4b7deae6a37c94d02f9c391865da0c8bac210b1e54b", kill_on_drop: false }`
[INFO] [stdout] ac09d7f6e1677e9c0dbca4b7deae6a37c94d02f9c391865da0c8bac210b1e54b
