[INFO] fetching crate comp-io 0.1.2...
[INFO] testing comp-io-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate comp-io 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate comp-io 0.1.2
[INFO] finished tweaking crates.io crate comp-io 0.1.2
[INFO] tweaked toml for crates.io crate comp-io 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate comp-io 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b12fd67a57c30b2ddd9f1ceccf1e4c806189ab3a0f5dd43ace93f944ab41e448
[INFO] running `Command { std: "docker" "start" "-a" "b12fd67a57c30b2ddd9f1ceccf1e4c806189ab3a0f5dd43ace93f944ab41e448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b12fd67a57c30b2ddd9f1ceccf1e4c806189ab3a0f5dd43ace93f944ab41e448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12fd67a57c30b2ddd9f1ceccf1e4c806189ab3a0f5dd43ace93f944ab41e448", kill_on_drop: false }`
[INFO] [stdout] b12fd67a57c30b2ddd9f1ceccf1e4c806189ab3a0f5dd43ace93f944ab41e448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 77c323bab3ff1f96ac28f078ebce8ee90dcf4eadddb8871c54b1827b2fd8cd3f
[INFO] running `Command { std: "docker" "start" "-a" "77c323bab3ff1f96ac28f078ebce8ee90dcf4eadddb8871c54b1827b2fd8cd3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling comp-io v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "77c323bab3ff1f96ac28f078ebce8ee90dcf4eadddb8871c54b1827b2fd8cd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c323bab3ff1f96ac28f078ebce8ee90dcf4eadddb8871c54b1827b2fd8cd3f", kill_on_drop: false }`
[INFO] [stdout] 77c323bab3ff1f96ac28f078ebce8ee90dcf4eadddb8871c54b1827b2fd8cd3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b7c75a51a5aa6e39ba4e4ed42c39e865e20de3fb9357b0ceaff187faee060a8e
[INFO] running `Command { std: "docker" "start" "-a" "b7c75a51a5aa6e39ba4e4ed42c39e865e20de3fb9357b0ceaff187faee060a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling comp-io v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `self`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "b7c75a51a5aa6e39ba4e4ed42c39e865e20de3fb9357b0ceaff187faee060a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c75a51a5aa6e39ba4e4ed42c39e865e20de3fb9357b0ceaff187faee060a8e", kill_on_drop: false }`
[INFO] [stdout] b7c75a51a5aa6e39ba4e4ed42c39e865e20de3fb9357b0ceaff187faee060a8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] eac6b58cd8b9ffe6f60d664065b547d74fc9ab753804856506db996d020e9f29
[INFO] running `Command { std: "docker" "start" "-a" "eac6b58cd8b9ffe6f60d664065b547d74fc9ab753804856506db996d020e9f29", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Read` and `self`
[INFO] [stderr]  --> src/lib.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, Read};
[INFO] [stderr]   |               ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `comp-io` (lib test) generated 1 warning (run `cargo fix --lib -p comp-io --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/comp_io-91f0cd37245763a5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_long_float ... ok
[INFO] [stdout] test tests::test_next_usize ... ok
[INFO] [stdout] test tests::test_reader_from_str ... ok
[INFO] [stdout] test tests::test_next_f64 ... ok
[INFO] [stdout] test tests::test_next_char ... ok
[INFO] [stdout] test tests::test_next_pair ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests comp_io
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Reader (line 16) - compile ... ok
[INFO] [stdout] test src/lib.rs - Reader::new (line 78) ... ok
[INFO] [stdout] test src/lib.rs - Reader::from_str (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eac6b58cd8b9ffe6f60d664065b547d74fc9ab753804856506db996d020e9f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac6b58cd8b9ffe6f60d664065b547d74fc9ab753804856506db996d020e9f29", kill_on_drop: false }`
[INFO] [stdout] eac6b58cd8b9ffe6f60d664065b547d74fc9ab753804856506db996d020e9f29