[INFO] fetching crate fastsend 1.2.3...
[INFO] checking fastsend-1.2.3 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate fastsend 1.2.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fastsend 1.2.3
[INFO] finished tweaking crates.io crate fastsend 1.2.3
[INFO] tweaked toml for crates.io crate fastsend 1.2.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastsend 1.2.3 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 97 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding md5 v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_chacha v0.3.1 (available: v0.9.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e57e93d525b861aa52dcd92790fd2d15386cfcf7c723390f6e9e7d55d00299
[INFO] running `Command { std: "docker" "start" "-a" "34e57e93d525b861aa52dcd92790fd2d15386cfcf7c723390f6e9e7d55d00299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e57e93d525b861aa52dcd92790fd2d15386cfcf7c723390f6e9e7d55d00299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e57e93d525b861aa52dcd92790fd2d15386cfcf7c723390f6e9e7d55d00299", kill_on_drop: false }`
[INFO] [stdout] 34e57e93d525b861aa52dcd92790fd2d15386cfcf7c723390f6e9e7d55d00299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ad1c40590f6c8694d7027c3ba9fc9013707049497a21a83dc239afe54a5fa3c
[INFO] running `Command { std: "docker" "start" "-a" "7ad1c40590f6c8694d7027c3ba9fc9013707049497a21a83dc239afe54a5fa3c", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-locks v0.7.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking fastsend v1.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `to_string_radix` is never used
[INFO] [stdout]    --> src/serial/mod.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn to_string_radix(mut n: usize, radix: usize, size: usize, digit_first: bool) -> String {
[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 `to_string_radix` is never used
[INFO] [stdout]    --> src/serial/mod.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn to_string_radix(mut n: usize, radix: usize, size: usize, digit_first: bool) -> String {
[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 4.12s
[INFO] running `Command { std: "docker" "inspect" "7ad1c40590f6c8694d7027c3ba9fc9013707049497a21a83dc239afe54a5fa3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad1c40590f6c8694d7027c3ba9fc9013707049497a21a83dc239afe54a5fa3c", kill_on_drop: false }`
[INFO] [stdout] 7ad1c40590f6c8694d7027c3ba9fc9013707049497a21a83dc239afe54a5fa3c