[INFO] fetching crate fixed-size-buf 1.2.0...
[INFO] checking fixed-size-buf-1.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate fixed-size-buf 1.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fixed-size-buf 1.2.0
[INFO] finished tweaking crates.io crate fixed-size-buf 1.2.0
[INFO] tweaked toml for crates.io crate fixed-size-buf 1.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed-size-buf 1.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fixed-size-buf 1.2.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02cc47a98c980a16333c7a1ccacc28caca019286ca541dcbbc7cc5fdfacaf076
[INFO] running `Command { std: "docker" "start" "-a" "02cc47a98c980a16333c7a1ccacc28caca019286ca541dcbbc7cc5fdfacaf076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02cc47a98c980a16333c7a1ccacc28caca019286ca541dcbbc7cc5fdfacaf076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02cc47a98c980a16333c7a1ccacc28caca019286ca541dcbbc7cc5fdfacaf076", kill_on_drop: false }`
[INFO] [stdout] 02cc47a98c980a16333c7a1ccacc28caca019286ca541dcbbc7cc5fdfacaf076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 254391b6e5494ee449fa7008f1b6fcb433cc0786be7191d2e3a7bf9f204af674
[INFO] running `Command { std: "docker" "start" "-a" "254391b6e5494ee449fa7008f1b6fcb433cc0786be7191d2e3a7bf9f204af674", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking oneshot v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking fixed-size-buf v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `push_thread` is never used
[INFO] [stdout]   --> src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl<Inner, const BLOCKS: usize, const SIZE: usize> Buffer<Inner, BLOCKS, SIZE> {
[INFO] [stdout]    | ------------------------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn push_thread(&self, thread: Thread) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/backing_buffer.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<Inner, const BLOCKS: usize, const SIZE: usize> BackingBuffer<Inner, BLOCKS, SIZE> {
[INFO] [stdout]    | -------------------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub(crate) unsafe fn new(inner: Inner) -> Self {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stdout] warning: unused import: `io::Write`
[INFO] [stdout]    --> src/lib.rs:205:15
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use std::{io::Write, thread, time::Duration};
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempdir::TempDir`
[INFO] [stdout]    --> src/lib.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     use tempdir::TempDir;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_thread` is never used
[INFO] [stdout]   --> src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl<Inner, const BLOCKS: usize, const SIZE: usize> Buffer<Inner, BLOCKS, SIZE> {
[INFO] [stdout]    | ------------------------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn push_thread(&self, thread: Thread) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/backing_buffer.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<Inner, const BLOCKS: usize, const SIZE: usize> BackingBuffer<Inner, BLOCKS, SIZE> {
[INFO] [stdout]    | -------------------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub(crate) unsafe fn new(inner: Inner) -> Self {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "254391b6e5494ee449fa7008f1b6fcb433cc0786be7191d2e3a7bf9f204af674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254391b6e5494ee449fa7008f1b6fcb433cc0786be7191d2e3a7bf9f204af674", kill_on_drop: false }`
[INFO] [stdout] 254391b6e5494ee449fa7008f1b6fcb433cc0786be7191d2e3a7bf9f204af674