[INFO] fetching crate generic-channel 0.2.0...
[INFO] testing generic-channel-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate generic-channel 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate generic-channel 0.2.0
[INFO] finished tweaking crates.io crate generic-channel 0.2.0
[INFO] tweaked toml for crates.io crate generic-channel 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate generic-channel 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam-channel v0.3.9 (available: v0.5.15)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc93e362061e688c1363fb6e2dc112dabb65d9d1401eddac102ee2589ff7d025
[INFO] running `Command { std: "docker" "start" "-a" "cc93e362061e688c1363fb6e2dc112dabb65d9d1401eddac102ee2589ff7d025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc93e362061e688c1363fb6e2dc112dabb65d9d1401eddac102ee2589ff7d025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc93e362061e688c1363fb6e2dc112dabb65d9d1401eddac102ee2589ff7d025", kill_on_drop: false }`
[INFO] [stdout] cc93e362061e688c1363fb6e2dc112dabb65d9d1401eddac102ee2589ff7d025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f027405dd4dbbdcbeb3d8b8c583c0705feb033f8e64d2b8c64a1eb6b8ee7f8
[INFO] running `Command { std: "docker" "start" "-a" "10f027405dd4dbbdcbeb3d8b8c583c0705feb033f8e64d2b8c64a1eb6b8ee7f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-channel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `crossbeam_channel`
[INFO] [stdout]  --> src/receiver.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(feature = "crossbeam_channel")]
[INFO] [stdout]   |       ^^^^^^^^^^-------------------
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: there is a expected value with a similar name: `"crossbeam-channel"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `all`, `crossbeam-channel`, and `futures`
[INFO] [stdout]   = help: consider adding `crossbeam_channel` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "10f027405dd4dbbdcbeb3d8b8c583c0705feb033f8e64d2b8c64a1eb6b8ee7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f027405dd4dbbdcbeb3d8b8c583c0705feb033f8e64d2b8c64a1eb6b8ee7f8", kill_on_drop: false }`
[INFO] [stdout] 10f027405dd4dbbdcbeb3d8b8c583c0705feb033f8e64d2b8c64a1eb6b8ee7f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35d1fd06ead02ab4ec789e2afc01232cfe16a02d73a0d9cf0181adb154175dd0
[INFO] running `Command { std: "docker" "start" "-a" "35d1fd06ead02ab4ec789e2afc01232cfe16a02d73a0d9cf0181adb154175dd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stdout] warning: unexpected `cfg` condition value: `crossbeam_channel`
[INFO] [stdout]  --> src/receiver.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(feature = "crossbeam_channel")]
[INFO] [stdout]   |       ^^^^^^^^^^-------------------
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: there is a expected value with a similar name: `"crossbeam-channel"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `all`, `crossbeam-channel`, and `futures`
[INFO] [stdout]   = help: consider adding `crossbeam_channel` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling generic-channel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `crossbeam_channel`
[INFO] [stdout]  --> src/receiver.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(feature = "crossbeam_channel")]
[INFO] [stdout]   |       ^^^^^^^^^^-------------------
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: there is a expected value with a similar name: `"crossbeam-channel"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `all`, `crossbeam-channel`, and `futures`
[INFO] [stdout]   = help: consider adding `crossbeam_channel` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*sender` as mutable, as `sender` is not declared as mutable
[INFO] [stdout]   --> src/lib.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let sender: Box<dyn Sender<u8>> = Box::new(sender);
[INFO] [stdout]    |             ^^^^^^ not mutable
[INFO] [stdout] 54 |         sender.try_send(1).expect("send");
[INFO] [stdout]    |         ------ cannot borrow as mutable
[INFO] [stdout] ...
[INFO] [stdout] 57 |         assert_eq!(sender.try_send(2), Err(TrySendError::Disconnected(2u8)));
[INFO] [stdout]    |                    ------ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut sender: Box<dyn Sender<u8>> = Box::new(sender);
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generic-channel` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "35d1fd06ead02ab4ec789e2afc01232cfe16a02d73a0d9cf0181adb154175dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d1fd06ead02ab4ec789e2afc01232cfe16a02d73a0d9cf0181adb154175dd0", kill_on_drop: false }`
[INFO] [stdout] 35d1fd06ead02ab4ec789e2afc01232cfe16a02d73a0d9cf0181adb154175dd0
