[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 try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[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 eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog v1.7.1
[INFO] [stderr]   Downloaded ncurses v5.86.0
[INFO] [stderr]   Downloaded serde v1.0.20
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded slog-json v1.2.1
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d06edb05fa5064efe446dd0259a0d168d83e0b85152659908cd16d07d8e9639
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d06edb05fa5064efe446dd0259a0d168d83e0b85152659908cd16d07d8e9639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d06edb05fa5064efe446dd0259a0d168d83e0b85152659908cd16d07d8e9639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d06edb05fa5064efe446dd0259a0d168d83e0b85152659908cd16d07d8e9639", kill_on_drop: false }`
[INFO] [stdout] 5d06edb05fa5064efe446dd0259a0d168d83e0b85152659908cd16d07d8e9639
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27504ecbd0c76195410fa9cb016428730d74b6d2399b33e3784113444ba1a9ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27504ecbd0c76195410fa9cb016428730d74b6d2399b33e3784113444ba1a9ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling serde v1.0.20
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling isatty v0.1.5
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling slog-serde v1.0.0-alpha9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling slog-json v1.2.1
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.6
[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 31.01s
[INFO] running `Command { std: "docker" "inspect" "27504ecbd0c76195410fa9cb016428730d74b6d2399b33e3784113444ba1a9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27504ecbd0c76195410fa9cb016428730d74b6d2399b33e3784113444ba1a9ec", kill_on_drop: false }`
[INFO] [stdout] 27504ecbd0c76195410fa9cb016428730d74b6d2399b33e3784113444ba1a9ec
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3db1680821c6bb9a1e2802b82fdbc43a5d49909345e740111ee67b6da911f79
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3db1680821c6bb9a1e2802b82fdbc43a5d49909345e740111ee67b6da911f79", kill_on_drop: false }`
[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 2.44s
[INFO] running `Command { std: "docker" "inspect" "c3db1680821c6bb9a1e2802b82fdbc43a5d49909345e740111ee67b6da911f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3db1680821c6bb9a1e2802b82fdbc43a5d49909345e740111ee67b6da911f79", kill_on_drop: false }`
[INFO] [stdout] c3db1680821c6bb9a1e2802b82fdbc43a5d49909345e740111ee67b6da911f79
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 762f21c3edc34b0832945340657a074b33500da5915b9805a19cdc31a1bcbceb
[INFO] running `Command { std: "docker" "start" "-a" "762f21c3edc34b0832945340657a074b33500da5915b9805a19cdc31a1bcbceb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/game/mod.rs:35:23
[INFO] [stdout] Dec 01 10:41:23.183 INFO Adding subscriber, channel: Sender
[INFO] [stderr]    |
[INFO] [stdout] Dec 01 10:41:23.183 INFO Adding subscriber, channel: Sender
[INFO] [stderr] 35 |             .and_then({|_| String::from_utf8(buf).map_err(ErrSum::ParseError)})
[INFO] [stdout] Dec 01 10:41:23.183 INFO Adding subscriber, channel: Sender
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] Dec 01 10:41:23.183 INFO Starting message dispatcher loop..
[INFO] [stderr]    |
[INFO] [stdout] Dec 01 10:41:23.183 INFO Got message, msg: Event1
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] Dec 01 10:41:23.183 INFO Sending to channel, chan: Sender
[INFO] [stderr] 
[INFO] [stdout] test events::tests::test_subscribe ... ok
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stdout] Dec 01 10:41:23.183 INFO Starting message dispatcher loop..
[INFO] [stderr]   --> src/game/mod.rs:34:23
[INFO] [stdout] Dec 01 10:41:23.183 INFO Got message, msg: Event1
[INFO] [stderr]    |
[INFO] [stdout] Dec 01 10:41:23.183 INFO Sending to channel, chan: Sender
[INFO] [stderr] 34 |             .and_then({|mut s| s.read_to_end(&mut buf).map_err(ErrSum::FileError)})
[INFO] [stdout] Dec 01 10:41:23.183 INFO Sending to channel, chan: Sender
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] test events::tests::test_start_loop ... ok
[INFO] [stderr] 
[INFO] [stdout] Dec 01 10:41:23.185 INFO Starting message dispatcher loop..
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] Dec 01 10:41:23.185 INFO Got message, msg: Event1
[INFO] [stderr] 
[INFO] [stdout] Dec 01 10:41:23.185 INFO Adding subscriber, channel: Sender
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stdout] test events::tests::test_subscribing_to_multiple_messages ... ok
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rssnek-9d994130cdf3713a
[INFO] [stdout] Dec 01 10:41:23.197 INFO Starting message dispatcher loop..
[INFO] [stdout] Dec 01 10:41:23.197 INFO Got message, msg: Event1
[INFO] [stdout] Dec 01 10:41:23.197 INFO Sending to channel, chan: Sender
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rssnek-025c96e4831d0471
[INFO] [stdout] Dec 01 10:41:23.204 INFO Got message, msg: Event2
[INFO] [stdout] Dec 01 10:41:23.204 INFO Sending to channel, chan: Sender
[INFO] [stdout] Dec 01 10:41:23.204 INFO Got message, msg: Event3
[INFO] [stdout] Dec 01 10:41:23.204 INFO Sending to channel, chan: Sender
[INFO] [stdout] test events::tests::test_dispatching_multiple_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "762f21c3edc34b0832945340657a074b33500da5915b9805a19cdc31a1bcbceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762f21c3edc34b0832945340657a074b33500da5915b9805a19cdc31a1bcbceb", kill_on_drop: false }`
[INFO] [stdout] 762f21c3edc34b0832945340657a074b33500da5915b9805a19cdc31a1bcbceb