[INFO] fetching crate const_list 0.1.0...
[INFO] testing const_list-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate const_list 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate const_list 0.1.0
[INFO] finished tweaking crates.io crate const_list 0.1.0
[INFO] tweaked toml for crates.io crate const_list 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate const_list 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ee56c96d6f8e1b78e8f752621d53d78cc3e93bcf5d89c644c7cc8f4f16b6c71
[INFO] running `Command { std: "docker" "start" "-a" "3ee56c96d6f8e1b78e8f752621d53d78cc3e93bcf5d89c644c7cc8f4f16b6c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee56c96d6f8e1b78e8f752621d53d78cc3e93bcf5d89c644c7cc8f4f16b6c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee56c96d6f8e1b78e8f752621d53d78cc3e93bcf5d89c644c7cc8f4f16b6c71", kill_on_drop: false }`
[INFO] [stdout] 3ee56c96d6f8e1b78e8f752621d53d78cc3e93bcf5d89c644c7cc8f4f16b6c71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffdc9b38d65cec7acf7e800308ed01a694aef8bb3c2ef4f476e1707321cef0b0
[INFO] running `Command { std: "docker" "start" "-a" "ffdc9b38d65cec7acf7e800308ed01a694aef8bb3c2ef4f476e1707321cef0b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:71:43
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub const fn pop(&'a self) -> (Option<&T>, &'a Self) {
[INFO] [stdout]    |                       --                  ^^    -- the same lifetime is named here
[INFO] [stdout]    |                       |                   |
[INFO] [stdout]    |                       |                   the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub const fn pop(&'a self) -> (Option<&'a T>, &'a Self) {
[INFO] [stdout]    |                                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub const fn iter(&self) -> ConstListIterator<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub const fn iter(&self) -> ConstListIterator<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const_list` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ffdc9b38d65cec7acf7e800308ed01a694aef8bb3c2ef4f476e1707321cef0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdc9b38d65cec7acf7e800308ed01a694aef8bb3c2ef4f476e1707321cef0b0", kill_on_drop: false }`
[INFO] [stdout] ffdc9b38d65cec7acf7e800308ed01a694aef8bb3c2ef4f476e1707321cef0b0