[INFO] cloning repository https://github.com/bsg/wire-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsg/wire-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsg%2Fwire-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsg%2Fwire-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fa181fd081e891f882486c5cd312e9097f929f9
[INFO] checking bsg/wire-rs against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsg%2Fwire-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bsg/wire-rs
[INFO] finished tweaking git repo https://github.com/bsg/wire-rs
[INFO] tweaked toml for git repo https://github.com/bsg/wire-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bsg/wire-rs on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bsg/wire-rs 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0160ab307262fd63d86fa66374e5cfa1336da7d4d32e5e3337f555a23b455b55
[INFO] running `Command { std: "docker" "start" "-a" "0160ab307262fd63d86fa66374e5cfa1336da7d4d32e5e3337f555a23b455b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0160ab307262fd63d86fa66374e5cfa1336da7d4d32e5e3337f555a23b455b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0160ab307262fd63d86fa66374e5cfa1336da7d4d32e5e3337f555a23b455b55", kill_on_drop: false }`
[INFO] [stdout] 0160ab307262fd63d86fa66374e5cfa1336da7d4d32e5e3337f555a23b455b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 297d20619a6a1c99952afaee1db200256c911ec43fc29597ea838fca09550073
[INFO] running `Command { std: "docker" "start" "-a" "297d20619a6a1c99952afaee1db200256c911ec43fc29597ea838fca09550073", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling wire-codegen v0.1.0 (/opt/rustwide/workdir/src/codegen)
[INFO] [stdout] warning: function `gen_wire_size_struct` is never used
[INFO] [stdout]    --> src/codegen/src/lib.rs:262:4
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn gen_wire_size_struct(item: ItemStruct) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     assert_matches!(true.serialize(&mut w), Ok(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_matches!(42usize.serialize(&mut w), Ok(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     assert_matches!(none.serialize(&mut w), Ok(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_matches!(Some(42usize).serialize(&mut w), Ok(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_matches!((6usize, 7usize, 8usize).serialize(&mut w), Ok(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     assert_matches!(
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     assert_matches!(Bar::A(42).serialize(&mut w), Ok(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     assert_matches!(Bar::B { a: 1, b: 2 }.serialize(&mut w), Ok(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     assert_matches!(Bar::C.serialize(&mut w), Ok(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     assert_matches!(bool::deserialize(&mut r), Ok(true));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     assert_matches!(usize::deserialize(&mut r), Ok(42));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     assert_matches!(Option::<usize>::deserialize(&mut r), Ok(None));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     assert_matches!(Option::<usize>::deserialize(&mut r), Ok(Some(42)));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     assert_matches!(<(usize, usize, usize)>::deserialize(&mut r), Ok((6, 7, 8)));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     assert_matches!(
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     assert_matches!(Bar::deserialize(&mut r), Ok(Bar::A(42)));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     assert_matches!(Bar::deserialize(&mut r), Ok(Bar::B { a: 1, b: 2 }));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     assert_matches!(Bar::deserialize(&mut r), Ok(Bar::C));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> src/tests.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     assert_matches!(Bar::deserialize(&mut r), Err(_));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_metavar_expr)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]  --> src/tests.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{assert_matches, io::Write};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_metavar_expr)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wire` (lib test) due to 21 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wire` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "297d20619a6a1c99952afaee1db200256c911ec43fc29597ea838fca09550073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297d20619a6a1c99952afaee1db200256c911ec43fc29597ea838fca09550073", kill_on_drop: false }`
[INFO] [stdout] 297d20619a6a1c99952afaee1db200256c911ec43fc29597ea838fca09550073
