[INFO] fetching crate irrefutable 0.1.3...
[INFO] testing irrefutable-0.1.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate irrefutable 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate irrefutable 0.1.3
[INFO] finished tweaking crates.io crate irrefutable 0.1.3
[INFO] tweaked toml for crates.io crate irrefutable 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate irrefutable 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1c5dc36ffa01cacb679b60bad8eefbfd7f9aa388e37c6ad13b4dee08a3379bb4
[INFO] running `Command { std: "docker" "start" "-a" "1c5dc36ffa01cacb679b60bad8eefbfd7f9aa388e37c6ad13b4dee08a3379bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c5dc36ffa01cacb679b60bad8eefbfd7f9aa388e37c6ad13b4dee08a3379bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5dc36ffa01cacb679b60bad8eefbfd7f9aa388e37c6ad13b4dee08a3379bb4", kill_on_drop: false }`
[INFO] [stdout] 1c5dc36ffa01cacb679b60bad8eefbfd7f9aa388e37c6ad13b4dee08a3379bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e826c4b0541842853b16cd06740a7ffee714a7f762fbaaee54da54721ac11a2
[INFO] running `Command { std: "docker" "start" "-a" "5e826c4b0541842853b16cd06740a7ffee714a7f762fbaaee54da54721ac11a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling irrefutable v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/irrefutable.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn binds(&self) -> Vec<Bind> {
[INFO] [stdout]     |              ^^^^^         ---- the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn binds(&self) -> Vec<Bind<'_>> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "5e826c4b0541842853b16cd06740a7ffee714a7f762fbaaee54da54721ac11a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e826c4b0541842853b16cd06740a7ffee714a7f762fbaaee54da54721ac11a2", kill_on_drop: false }`
[INFO] [stdout] 5e826c4b0541842853b16cd06740a7ffee714a7f762fbaaee54da54721ac11a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 740f9108fa0479dcb8a41fe11d662fb3c2be0a977c5b62d928bfc83aca7864a6
[INFO] running `Command { std: "docker" "start" "-a" "740f9108fa0479dcb8a41fe11d662fb3c2be0a977c5b62d928bfc83aca7864a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling irrefutable v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/irrefutable.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn binds(&self) -> Vec<Bind> {
[INFO] [stdout]     |              ^^^^^         ---- the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn binds(&self) -> Vec<Bind<'_>> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/irrefutable.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn binds(&self) -> Vec<Bind> {
[INFO] [stdout]     |              ^^^^^         ---- the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn binds(&self) -> Vec<Bind<'_>> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `irrefutable` (test "test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "740f9108fa0479dcb8a41fe11d662fb3c2be0a977c5b62d928bfc83aca7864a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740f9108fa0479dcb8a41fe11d662fb3c2be0a977c5b62d928bfc83aca7864a6", kill_on_drop: false }`
[INFO] [stdout] 740f9108fa0479dcb8a41fe11d662fb3c2be0a977c5b62d928bfc83aca7864a6