[INFO] fetching crate nowo 0.0.3...
[INFO] testing nowo-0.0.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate nowo 0.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate nowo 0.0.3
[INFO] finished tweaking crates.io crate nowo 0.0.3
[INFO] tweaked toml for crates.io crate nowo 0.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nowo 0.0.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nowo 0.0.3 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6d1d274f346f77618285b2fa9396389265533bfa9e704415c733273350ff904
[INFO] running `Command { std: "docker" "start" "-a" "d6d1d274f346f77618285b2fa9396389265533bfa9e704415c733273350ff904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6d1d274f346f77618285b2fa9396389265533bfa9e704415c733273350ff904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d1d274f346f77618285b2fa9396389265533bfa9e704415c733273350ff904", kill_on_drop: false }`
[INFO] [stdout] d6d1d274f346f77618285b2fa9396389265533bfa9e704415c733273350ff904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7d3fa51f3b57b3a37bb47e78386c04de4ccee39a3050d66a3a4d571d743c03
[INFO] running `Command { std: "docker" "start" "-a" "db7d3fa51f3b57b3a37bb47e78386c04de4ccee39a3050d66a3a4d571d743c03", kill_on_drop: false }`
[INFO] [stderr]    Compiling nowo v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `end` is never read
[INFO] [stdout]  --> src/foo/mode.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ARange {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub end: u32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ARange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "db7d3fa51f3b57b3a37bb47e78386c04de4ccee39a3050d66a3a4d571d743c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7d3fa51f3b57b3a37bb47e78386c04de4ccee39a3050d66a3a4d571d743c03", kill_on_drop: false }`
[INFO] [stdout] db7d3fa51f3b57b3a37bb47e78386c04de4ccee39a3050d66a3a4d571d743c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33368f887abd26f1140f17a73e93821a652c8a259f360191d61aaf8fc2968c6d
[INFO] running `Command { std: "docker" "start" "-a" "33368f887abd26f1140f17a73e93821a652c8a259f360191d61aaf8fc2968c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nowo v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `end` is never read
[INFO] [stdout]  --> src/foo/mode.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ARange {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub end: u32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ARange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "33368f887abd26f1140f17a73e93821a652c8a259f360191d61aaf8fc2968c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33368f887abd26f1140f17a73e93821a652c8a259f360191d61aaf8fc2968c6d", kill_on_drop: false }`
[INFO] [stdout] 33368f887abd26f1140f17a73e93821a652c8a259f360191d61aaf8fc2968c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 092cbed9182852b9a71911aa1c6b22585c84a7877ff11b4a60582d49a2dc85d1
[INFO] running `Command { std: "docker" "start" "-a" "092cbed9182852b9a71911aa1c6b22585c84a7877ff11b4a60582d49a2dc85d1", kill_on_drop: false }`
[INFO] [stderr] warning: field `end` is never read
[INFO] [stderr]  --> src/foo/mode.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct ARange {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 5 |     pub end: u32,
[INFO] [stderr]   |         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ARange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nowo` (bin "nowo" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nowo-aa396d43079d03d8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nowo-19a263d7e55b2f70)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nowo
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "092cbed9182852b9a71911aa1c6b22585c84a7877ff11b4a60582d49a2dc85d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092cbed9182852b9a71911aa1c6b22585c84a7877ff11b4a60582d49a2dc85d1", kill_on_drop: false }`
[INFO] [stdout] 092cbed9182852b9a71911aa1c6b22585c84a7877ff11b4a60582d49a2dc85d1