[INFO] cloning repository https://github.com/nthorne/rssnek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nthorne/rssnek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthorne%2Frssnek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthorne%2Frssnek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f877f5d1f4cc38ec22df1690e51d0566d57837c3
[INFO] testing nthorne/rssnek against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthorne%2Frssnek" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nthorne/rssnek on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nthorne/rssnek
[INFO] finished tweaking git repo https://github.com/nthorne/rssnek
[INFO] tweaked toml for git repo https://github.com/nthorne/rssnek written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/nthorne/rssnek already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ncurses v5.86.0
[INFO] [stderr]   Downloaded serde_derive v1.0.20
[INFO] [stderr]   Downloaded slog v1.7.1
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded serde v1.0.20
[INFO] [stderr]   Downloaded serde_json v1.0.6
[INFO] [stderr]   Downloaded slog-json v1.2.1
[INFO] [stderr]   Downloaded slog-term v1.5.0
[INFO] [stderr]   Downloaded slog-serde v1.0.0-alpha9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86ae19182627526bb00967116cb9b860b86806e3ba69d48843e2071c021dbf45
[INFO] running `Command { std: "docker" "start" "-a" "86ae19182627526bb00967116cb9b860b86806e3ba69d48843e2071c021dbf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86ae19182627526bb00967116cb9b860b86806e3ba69d48843e2071c021dbf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ae19182627526bb00967116cb9b860b86806e3ba69d48843e2071c021dbf45", kill_on_drop: false }`
[INFO] [stdout] 86ae19182627526bb00967116cb9b860b86806e3ba69d48843e2071c021dbf45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ccc39c061c085991afc1700a7f36ff7ce18f008fb6849727611c69c6063e797
[INFO] running `Command { std: "docker" "start" "-a" "2ccc39c061c085991afc1700a7f36ff7ce18f008fb6849727611c69c6063e797", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling serde v1.0.20
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling isatty v0.1.5
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling slog-serde v1.0.0-alpha9
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]    Compiling serde_json v1.0.6
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling serde_derive v1.0.20
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling slog-json v1.2.1
[INFO] [stderr]    Compiling rssnek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/game/mod.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             .and_then({|_| String::from_utf8(buf).map_err(ErrSum::ParseError)})
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/game/mod.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |             .and_then({|mut s| s.read_to_end(&mut buf).map_err(ErrSum::FileError)})
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "2ccc39c061c085991afc1700a7f36ff7ce18f008fb6849727611c69c6063e797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccc39c061c085991afc1700a7f36ff7ce18f008fb6849727611c69c6063e797", kill_on_drop: false }`
[INFO] [stdout] 2ccc39c061c085991afc1700a7f36ff7ce18f008fb6849727611c69c6063e797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468c183dd24b6cedfa9cfbc0720eae16fbe8e56dd7c850a143985ffd760fe337
[INFO] running `Command { std: "docker" "start" "-a" "468c183dd24b6cedfa9cfbc0720eae16fbe8e56dd7c850a143985ffd760fe337", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rssnek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/game/mod.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             .and_then({|_| String::from_utf8(buf).map_err(ErrSum::ParseError)})
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/game/mod.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |             .and_then({|mut s| s.read_to_end(&mut buf).map_err(ErrSum::FileError)})
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/game/mod.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             .and_then({|_| String::from_utf8(buf).map_err(ErrSum::ParseError)})
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/game/mod.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |             .and_then({|mut s| s.read_to_end(&mut buf).map_err(ErrSum::FileError)})
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "468c183dd24b6cedfa9cfbc0720eae16fbe8e56dd7c850a143985ffd760fe337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468c183dd24b6cedfa9cfbc0720eae16fbe8e56dd7c850a143985ffd760fe337", kill_on_drop: false }`
[INFO] [stdout] 468c183dd24b6cedfa9cfbc0720eae16fbe8e56dd7c850a143985ffd760fe337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9249443279c511fb70ddc9360423b04c808e5a412e1f00e178c0c53a0d249a3
[INFO] running `Command { std: "docker" "start" "-a" "a9249443279c511fb70ddc9360423b04c808e5a412e1f00e178c0c53a0d249a3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/game/mod.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |             .and_then({|_| String::from_utf8(buf).map_err(ErrSum::ParseError)})
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/game/mod.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |             .and_then({|mut s| s.read_to_end(&mut buf).map_err(ErrSum::FileError)})
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: `rssnek` (lib) generated 2 warnings
[INFO] [stderr] warning: `rssnek` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rssnek-76e11badc05e48ca)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] Sep 12 15:56:38.586 INFO Adding subscriber, channel: Sender { .. }
[INFO] [stdout] Sep 12 15:56:38.586 INFO Starting message dispatcher loop..
[INFO] [stdout] Sep 12 15:56:38.586 INFO Got message, msg: Event1
[INFO] [stdout] Sep 12 15:56:38.586 INFO Sending to channel, chan: Sender { .. }
[INFO] [stdout] Sep 12 15:56:38.586 INFO Got message, msg: Event2
[INFO] [stdout] test events::tests::test_start_loop ... ok
[INFO] [stdout] Sep 12 15:56:38.586 INFO Sending to channel, chan: Sender { .. }
[INFO] [stdout] Sep 12 15:56:38.586 INFO Starting message dispatcher loop..
[INFO] [stdout] Sep 12 15:56:38.586 INFO Got message, msg: Event3
[INFO] [stdout] Sep 12 15:56:38.586 INFO Got message, msg: Event1
[INFO] [stdout] Sep 12 15:56:38.586 INFO Sending to channel, chan: Sender { .. }
[INFO] [stdout] test events::tests::test_dispatching_multiple_messages ... ok
[INFO] [stdout] Sep 12 15:56:38.587 INFO Adding subscriber, channel: Sender { .. }
[INFO] [stdout] Sep 12 15:56:38.587 INFO Starting message dispatcher loop..
[INFO] [stdout] Sep 12 15:56:38.588 INFO Got message, msg: Event1
[INFO] [stdout] Sep 12 15:56:38.588 INFO Sending to channel, chan: Sender { .. }
[INFO] [stdout] Sep 12 15:56:38.586 INFO Adding subscriber, channel: Sender { .. }
[INFO] [stdout] Sep 12 15:56:38.590 INFO Adding subscriber, channel: Sender { .. }
[INFO] [stdout] test events::tests::test_subscribe ... ok
[INFO] [stdout] Sep 12 15:56:38.593 INFO Starting message dispatcher loop..
[INFO] [stdout] Sep 12 15:56:38.593 INFO Got message, msg: Event1
[INFO] [stdout] Sep 12 15:56:38.593 INFO Sending to channel, chan: Sender { .. }
[INFO] [stdout] Sep 12 15:56:38.593 INFO Sending to channel, chan: Sender { .. }
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rssnek-696f7e0e3d42c96b)
[INFO] [stdout] test events::tests::test_subscribing_to_multiple_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rssnek
[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] warning: unnecessary braces around method argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/game/mod.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |             .and_then({|_| String::from_utf8(buf).map_err(ErrSum::ParseError)})
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/game/mod.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |             .and_then({|mut s| s.read_to_end(&mut buf).map_err(ErrSum::FileError)})
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings 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" "a9249443279c511fb70ddc9360423b04c808e5a412e1f00e178c0c53a0d249a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9249443279c511fb70ddc9360423b04c808e5a412e1f00e178c0c53a0d249a3", kill_on_drop: false }`
[INFO] [stdout] a9249443279c511fb70ddc9360423b04c808e5a412e1f00e178c0c53a0d249a3