[INFO] fetching crate nscldaq_ringmaster 0.2.9...
[INFO] checking nscldaq_ringmaster-0.2.9 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate nscldaq_ringmaster 0.2.9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate nscldaq_ringmaster 0.2.9
[INFO] finished tweaking crates.io crate nscldaq_ringmaster 0.2.9
[INFO] tweaked toml for crates.io crate nscldaq_ringmaster 0.2.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nscldaq_ringmaster 0.2.9 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nscldaq_ringmaster 0.2.9 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45febad2d199201e8849a799b26011a45e751217f40818a7629c1a9b5a52da6a
[INFO] running `Command { std: "docker" "start" "-a" "45febad2d199201e8849a799b26011a45e751217f40818a7629c1a9b5a52da6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45febad2d199201e8849a799b26011a45e751217f40818a7629c1a9b5a52da6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45febad2d199201e8849a799b26011a45e751217f40818a7629c1a9b5a52da6a", kill_on_drop: false }`
[INFO] [stdout] 45febad2d199201e8849a799b26011a45e751217f40818a7629c1a9b5a52da6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4e562653efee3903da5ae3fd976d2f01bbeada5ba41f1d6fc4d1b3e18984d63
[INFO] running `Command { std: "docker" "start" "-a" "c4e562653efee3903da5ae3fd976d2f01bbeada5ba41f1d6fc4d1b3e18984d63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking whoami v1.5.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking portman_client v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking nscldaq_ringbuffer v0.7.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking sysinfo v0.30.8
[INFO] [stderr]     Checking nscldaq_ringmaster v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `remove_2` is never used
[INFO] [stdout]    --> src/rings/rings.rs:401:12
[INFO] [stdout]     |
[INFO] [stdout] 401 |         fn remove_2() {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_3` is never used
[INFO] [stdout]    --> src/rings/rings.rs:417:12
[INFO] [stdout]     |
[INFO] [stdout] 417 |         fn remove_3() {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_4` is never used
[INFO] [stdout]    --> src/rings/rings.rs:442:12
[INFO] [stdout]     |
[INFO] [stdout] 442 |         fn remove_4() {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "c4e562653efee3903da5ae3fd976d2f01bbeada5ba41f1d6fc4d1b3e18984d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e562653efee3903da5ae3fd976d2f01bbeada5ba41f1d6fc4d1b3e18984d63", kill_on_drop: false }`
[INFO] [stdout] c4e562653efee3903da5ae3fd976d2f01bbeada5ba41f1d6fc4d1b3e18984d63