[INFO] fetching crate n-mb 1.1.3...
[INFO] building n-mb-1.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate n-mb 1.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate n-mb 1.1.3
[INFO] finished tweaking crates.io crate n-mb 1.1.3
[INFO] tweaked toml for crates.io crate n-mb 1.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate n-mb 1.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n-mb 1.1.3 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pbr v1.1.1
[INFO] [stderr]   Downloaded anstyle v1.0.3
[INFO] [stderr]   Downloaded anstyle-wincon v2.1.0
[INFO] [stderr]   Downloaded anstream v0.5.0
[INFO] [stderr]   Downloaded console v0.15.7
[INFO] [stderr]   Downloaded portable-atomic v1.4.3
[INFO] [stderr]   Downloaded indicatif v0.17.7
[INFO] [stderr]   Downloaded clap v4.4.4
[INFO] [stderr]   Downloaded clap_builder v4.4.4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7da19751a67134713b6fc0d1fe916ad60f163ab11f2ef5a63158ff308f6104ab
[INFO] running `Command { std: "docker" "start" "-a" "7da19751a67134713b6fc0d1fe916ad60f163ab11f2ef5a63158ff308f6104ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7da19751a67134713b6fc0d1fe916ad60f163ab11f2ef5a63158ff308f6104ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da19751a67134713b6fc0d1fe916ad60f163ab11f2ef5a63158ff308f6104ab", kill_on_drop: false }`
[INFO] [stdout] 7da19751a67134713b6fc0d1fe916ad60f163ab11f2ef5a63158ff308f6104ab
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fdb882bf0ca13937607fa53b42f7dbc62f099fa2f7cb3b57b42c9b937c4eac7
[INFO] running `Command { std: "docker" "start" "-a" "4fdb882bf0ca13937607fa53b42f7dbc62f099fa2f7cb3b57b42c9b937c4eac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling anstyle v1.0.3
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling clap_builder v4.4.4
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling pbr v1.1.1
[INFO] [stderr]    Compiling indicatif v0.17.7
[INFO] [stderr]    Compiling clap v4.4.4
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling n-mb v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/main.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |             'line: while let Ok(Some(line)) = buff_reader.1.next_line().await {
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `target_size`, `resolution`, and `progress_bar` are never read
[INFO] [stdout]   --> src/encoder.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct FFMPEGCommand {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub target_size: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 17 |     pub resolution: Option<(u32, u32)>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub progress_bar: Option<ProgressBar<Pipe>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Failed` is never constructed
[INFO] [stdout]    --> src/encoder.rs:340:5
[INFO] [stdout]     |
[INFO] [stdout] 338 | pub enum EncodingStatus {
[INFO] [stdout]     |          -------------- variant in this enum
[INFO] [stdout] 339 |     Finished,
[INFO] [stdout] 340 |     Failed,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EncodingStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.41s
[INFO] running `Command { std: "docker" "inspect" "4fdb882bf0ca13937607fa53b42f7dbc62f099fa2f7cb3b57b42c9b937c4eac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fdb882bf0ca13937607fa53b42f7dbc62f099fa2f7cb3b57b42c9b937c4eac7", kill_on_drop: false }`
[INFO] [stdout] 4fdb882bf0ca13937607fa53b42f7dbc62f099fa2f7cb3b57b42c9b937c4eac7
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25023a5c20b95b4fc7bdde2e509ef3091b890fb7ce56d5d4d0013b5eae408944
[INFO] running `Command { std: "docker" "start" "-a" "25023a5c20b95b4fc7bdde2e509ef3091b890fb7ce56d5d4d0013b5eae408944", kill_on_drop: false }`
[INFO] [stderr]    Compiling n-mb v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/main.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |             'line: while let Ok(Some(line)) = buff_reader.1.next_line().await {
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `target_size`, `resolution`, and `progress_bar` are never read
[INFO] [stdout]   --> src/encoder.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct FFMPEGCommand {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub target_size: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 17 |     pub resolution: Option<(u32, u32)>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub progress_bar: Option<ProgressBar<Pipe>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Failed` is never constructed
[INFO] [stdout]    --> src/encoder.rs:340:5
[INFO] [stdout]     |
[INFO] [stdout] 338 | pub enum EncodingStatus {
[INFO] [stdout]     |          -------------- variant in this enum
[INFO] [stdout] 339 |     Finished,
[INFO] [stdout] 340 |     Failed,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EncodingStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "25023a5c20b95b4fc7bdde2e509ef3091b890fb7ce56d5d4d0013b5eae408944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25023a5c20b95b4fc7bdde2e509ef3091b890fb7ce56d5d4d0013b5eae408944", kill_on_drop: false }`
[INFO] [stdout] 25023a5c20b95b4fc7bdde2e509ef3091b890fb7ce56d5d4d0013b5eae408944
