[INFO] fetching crate mapped_futures 0.2.1... [INFO] checking mapped_futures-0.2.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate mapped_futures 0.2.1 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate mapped_futures 0.2.1 [INFO] finished tweaking crates.io crate mapped_futures 0.2.1 [INFO] tweaked toml for crates.io crate mapped_futures 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mapped_futures 0.2.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mapped_futures 0.2.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bisetmap v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24c86fad282a5ea0a27ca4d3fe7a61a2b745b5ead692ecb4fe91d4ad5949f277 [INFO] running `Command { std: "docker" "start" "-a" "24c86fad282a5ea0a27ca4d3fe7a61a2b745b5ead692ecb4fe91d4ad5949f277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24c86fad282a5ea0a27ca4d3fe7a61a2b745b5ead692ecb4fe91d4ad5949f277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24c86fad282a5ea0a27ca4d3fe7a61a2b745b5ead692ecb4fe91d4ad5949f277", kill_on_drop: false }` [INFO] [stdout] 24c86fad282a5ea0a27ca4d3fe7a61a2b745b5ead692ecb4fe91d4ad5949f277 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e16ca164b321d9a74f3c1667e67aa4c7928642fd7721bf36fe9b89eb6ce20a4 [INFO] running `Command { std: "docker" "start" "-a" "3e16ca164b321d9a74f3c1667e67aa4c7928642fd7721bf36fe9b89eb6ce20a4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.87 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking bisetmap v0.1.6 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking mapped_futures v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures v0.3.31 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:346:24 [INFO] [stdout] | [INFO] [stdout] 346 | pub fn get_mut<'a>(&mut self, key: &K) -> Option> [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] 346 | pub fn get_mut<'a>(&mut self, key: &K) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:81:20 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn get_mut(&mut self, left: &L, right: &R) -> Option> [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ------------------- the same lifetime is hidden 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 fn get_mut(&mut self, left: &L, right: &R) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ------------------- the same lifetime is hidden 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] 89 | pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:95:26 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn get_right_mut(&mut self, left: &L) -> RightIterMut [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] 95 | pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<'_, L, R, Fut> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:104:25 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut [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] 104 | pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<'_, L, R, Fut> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:113:30 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut { [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] 113 | pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<'_, L, R, Fut> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:119:29 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut { [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] 119 | pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<'_, L, R, Fut> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_streams.rs:84:20 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn get_mut(&mut self, left: &L, right: &R) -> Option> [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ----------------- the same lifetime is hidden 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] 84 | pub fn get_mut(&mut self, left: &L, right: &R) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:346:24 [INFO] [stdout] | [INFO] [stdout] 346 | pub fn get_mut<'a>(&mut self, key: &K) -> Option> [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] 346 | pub fn get_mut<'a>(&mut self, key: &K) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:81:20 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn get_mut(&mut self, left: &L, right: &R) -> Option> [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ------------------- the same lifetime is hidden 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 fn get_mut(&mut self, left: &L, right: &R) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ------------------- the same lifetime is hidden 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] 89 | pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:95:26 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn get_right_mut(&mut self, left: &L) -> RightIterMut [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] 95 | pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<'_, L, R, Fut> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:104:25 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut [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] 104 | pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<'_, L, R, Fut> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:113:30 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut { [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] 113 | pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<'_, L, R, Fut> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_futures.rs:119:29 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut { [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] 119 | pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<'_, L, R, Fut> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bi_multi_map_streams.rs:84:20 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn get_mut(&mut self, left: &L, right: &R) -> Option> [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ----------------- the same lifetime is hidden 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] 84 | pub fn get_mut(&mut self, left: &L, right: &R) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.33s [INFO] running `Command { std: "docker" "inspect" "3e16ca164b321d9a74f3c1667e67aa4c7928642fd7721bf36fe9b89eb6ce20a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e16ca164b321d9a74f3c1667e67aa4c7928642fd7721bf36fe9b89eb6ce20a4", kill_on_drop: false }` [INFO] [stdout] 3e16ca164b321d9a74f3c1667e67aa4c7928642fd7721bf36fe9b89eb6ce20a4