[INFO] fetching crate donut 0.2.0...
[INFO] testing donut-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate donut 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate donut 0.2.0
[INFO] finished tweaking crates.io crate donut 0.2.0
[INFO] tweaked toml for crates.io crate donut 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate donut 0.2.0 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 donut 0.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b6172cd25515c894b8efed1a10a518d54007f6918d2765e8ee48ca08f0ad65d8
[INFO] running `Command { std: "docker" "start" "-a" "b6172cd25515c894b8efed1a10a518d54007f6918d2765e8ee48ca08f0ad65d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6172cd25515c894b8efed1a10a518d54007f6918d2765e8ee48ca08f0ad65d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6172cd25515c894b8efed1a10a518d54007f6918d2765e8ee48ca08f0ad65d8", kill_on_drop: false }`
[INFO] [stdout] b6172cd25515c894b8efed1a10a518d54007f6918d2765e8ee48ca08f0ad65d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5275bdcf9cbcfeb1119bc29fd9079eca161d9da1d125f3af00ddd0b327ce458d
[INFO] running `Command { std: "docker" "start" "-a" "5275bdcf9cbcfeb1119bc29fd9079eca161d9da1d125f3af00ddd0b327ce458d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.35
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
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[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling once_cell v1.9.0
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[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
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[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ipnet v2.3.1
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[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
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[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling tower-service v0.3.1
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[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.1.6
[INFO] [stderr]    Compiling tokio-macros v1.7.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.8
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling clap v3.0.0-rc.8
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling trust-dns-proto v0.20.3
[INFO] [stderr]    Compiling h2 v0.3.9
[INFO] [stderr]    Compiling trust-dns-client v0.20.3
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling donut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/donut/request.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stdout]    |                      ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stdout] 56 +             .map(|s| s == "1" || s.to_lowercase() == "true")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "5275bdcf9cbcfeb1119bc29fd9079eca161d9da1d125f3af00ddd0b327ce458d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5275bdcf9cbcfeb1119bc29fd9079eca161d9da1d125f3af00ddd0b327ce458d", kill_on_drop: false }`
[INFO] [stdout] 5275bdcf9cbcfeb1119bc29fd9079eca161d9da1d125f3af00ddd0b327ce458d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9394b6725cd0d33a992c08b5d432435ffb658235ace069cb6fe7f6bbdf0ece6b
[INFO] running `Command { std: "docker" "start" "-a" "9394b6725cd0d33a992c08b5d432435ffb658235ace069cb6fe7f6bbdf0ece6b", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/donut/request.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stdout]    |                      ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stdout] 56 +             .map(|s| s == "1" || s.to_lowercase() == "true")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling donut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/donut/request.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stdout]    |                      ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stdout] 56 +             .map(|s| s == "1" || s.to_lowercase() == "true")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "9394b6725cd0d33a992c08b5d432435ffb658235ace069cb6fe7f6bbdf0ece6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9394b6725cd0d33a992c08b5d432435ffb658235ace069cb6fe7f6bbdf0ece6b", kill_on_drop: false }`
[INFO] [stdout] 9394b6725cd0d33a992c08b5d432435ffb658235ace069cb6fe7f6bbdf0ece6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 600bd9153dbd832e5e2ba17ab084c2c067cb9bb9fef3c2b8fe7f2e50a322fc5e
[INFO] running `Command { std: "docker" "start" "-a" "600bd9153dbd832e5e2ba17ab084c2c067cb9bb9fef3c2b8fe7f2e50a322fc5e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/donut/request.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stderr]    |                      ^                                      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 56 -             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stderr] 56 +             .map(|s| s == "1" || s.to_lowercase() == "true")
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `donut` (lib) generated 1 warning (run `cargo fix --lib -p donut` to apply 1 suggestion)
[INFO] [stderr] warning: `donut` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/donut/lib.rs (/opt/rustwide/target/debug/deps/donut-f09daf389f848cb7)
[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/bin/bin2dns.rs (/opt/rustwide/target/debug/deps/bin2dns-d36f4fb132c821c8)
[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/bin/dns2bin.rs (/opt/rustwide/target/debug/deps/dns2bin-8b17ac401eee073d)
[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/bin/donut.rs (/opt/rustwide/target/debug/deps/donut-d5dedfe329cf1fb5)
[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 donut
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/donut/request.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stderr]    |                      ^                                      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 56 -             .map(|s| (s == "1" || s.to_lowercase() == "true"))
[INFO] [stderr] 56 +             .map(|s| s == "1" || s.to_lowercase() == "true")
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "600bd9153dbd832e5e2ba17ab084c2c067cb9bb9fef3c2b8fe7f2e50a322fc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600bd9153dbd832e5e2ba17ab084c2c067cb9bb9fef3c2b8fe7f2e50a322fc5e", kill_on_drop: false }`
[INFO] [stdout] 600bd9153dbd832e5e2ba17ab084c2c067cb9bb9fef3c2b8fe7f2e50a322fc5e