[INFO] fetching crate mcircuit 0.1.10... [INFO] checking mcircuit-0.1.10 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate mcircuit 0.1.10 into /workspace/builds/worker-6-tc1/source [INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate mcircuit 0.1.10 [INFO] finished tweaking crates.io crate mcircuit 0.1.10 [INFO] tweaked toml for crates.io crate mcircuit 0.1.10 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mcircuit 0.1.10 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 26 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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] Downloading crates ... [INFO] [stderr] Downloaded lexpr-macros v0.2.2 [INFO] [stderr] Downloaded variant_count v1.2.0 [INFO] [stderr] Downloaded lexpr v0.2.7 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8acd2bdc86098893b075c3f98a2391d2b32e164bc47697820ca908321050d4cd [INFO] running `Command { std: "docker" "start" "-a" "8acd2bdc86098893b075c3f98a2391d2b32e164bc47697820ca908321050d4cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8acd2bdc86098893b075c3f98a2391d2b32e164bc47697820ca908321050d4cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8acd2bdc86098893b075c3f98a2391d2b32e164bc47697820ca908321050d4cd", kill_on_drop: false }` [INFO] [stdout] 8acd2bdc86098893b075c3f98a2391d2b32e164bc47697820ca908321050d4cd [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b33f0115ea3ae5115c9d2c7b25e61467b8d8cb55ef6a02d9d62ef004fe4b6fcc [INFO] running `Command { std: "docker" "start" "-a" "b33f0115ea3ae5115c9d2c7b25e61467b8d8cb55ef6a02d9d62ef004fe4b6fcc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling lexpr-macros v0.2.2 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking lexpr v0.2.7 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling variant_count v1.2.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking mcircuit v0.1.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | fn inputs(&self) -> InputIterator> { [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] 6 | fn inputs(&self) -> InputIterator<'_, Operation> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | fn outputs(&self) -> OutputIterator> { [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] 11 | fn outputs(&self) -> OutputIterator<'_, Operation> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:18:15 [INFO] [stdout] | [INFO] [stdout] 18 | fn inputs(&self) -> InputIterator { [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] 18 | fn inputs(&self) -> InputIterator<'_, CombineOperation> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | fn outputs(&self) -> OutputIterator { [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] 23 | fn outputs(&self) -> OutputIterator<'_, CombineOperation> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | fn inputs(&self) -> InputIterator [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] 31 | fn inputs(&self) -> InputIterator<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:34:16 [INFO] [stdout] | [INFO] [stdout] 34 | fn outputs(&self) -> OutputIterator [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] 34 | fn outputs(&self) -> OutputIterator<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | fn inputs(&self) -> InputIterator> { [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] 6 | fn inputs(&self) -> InputIterator<'_, Operation> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | fn outputs(&self) -> OutputIterator> { [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] 11 | fn outputs(&self) -> OutputIterator<'_, Operation> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:18:15 [INFO] [stdout] | [INFO] [stdout] 18 | fn inputs(&self) -> InputIterator { [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] 18 | fn inputs(&self) -> InputIterator<'_, CombineOperation> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | fn outputs(&self) -> OutputIterator { [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] 23 | fn outputs(&self) -> OutputIterator<'_, CombineOperation> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | fn inputs(&self) -> InputIterator [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] 31 | fn inputs(&self) -> InputIterator<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/has_io.rs:34:16 [INFO] [stdout] | [INFO] [stdout] 34 | fn outputs(&self) -> OutputIterator [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] 34 | fn outputs(&self) -> OutputIterator<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.74s [INFO] running `Command { std: "docker" "inspect" "b33f0115ea3ae5115c9d2c7b25e61467b8d8cb55ef6a02d9d62ef004fe4b6fcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b33f0115ea3ae5115c9d2c7b25e61467b8d8cb55ef6a02d9d62ef004fe4b6fcc", kill_on_drop: false }` [INFO] [stdout] b33f0115ea3ae5115c9d2c7b25e61467b8d8cb55ef6a02d9d62ef004fe4b6fcc