[INFO] fetching crate tai 0.0.8...
[INFO] checking tai-0.0.8 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate tai 0.0.8 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tai 0.0.8
[INFO] finished tweaking crates.io crate tai 0.0.8
[INFO] tweaked toml for crates.io crate tai 0.0.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tai 0.0.8 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tai 0.0.8 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" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "f1d186fec31eba8228065b9a0bb836363fb4b9d924e76dd8ba3e72de84308e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d186fec31eba8228065b9a0bb836363fb4b9d924e76dd8ba3e72de84308e6f", kill_on_drop: false }`
[INFO] [stdout] f1d186fec31eba8228065b9a0bb836363fb4b9d924e76dd8ba3e72de84308e6f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr] [FMTARGS] {"crate":"tai","loc":"src/utils.rs:26:18","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stderr] [FMTARGS] {"crate":"tai","loc":"src/utils.rs:65:18","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stdout] warning: value assigned to `pixel` is never read
[INFO] [stdout]   --> src/operations/dither.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 pixel[2] = new_rgb[2];
[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 `pixel` is never read
[INFO] [stdout]   --> src/operations/dither.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 pixel[2] = new_rgb[2];
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "a4fedd5bd948c35b6e9a162a95235cf5cf743b05a87f801afdac289c9dc19065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4fedd5bd948c35b6e9a162a95235cf5cf743b05a87f801afdac289c9dc19065", kill_on_drop: false }`
[INFO] [stdout] a4fedd5bd948c35b6e9a162a95235cf5cf743b05a87f801afdac289c9dc19065