[INFO] fetching crate mers_lib 0.9.22... [INFO] checking mers_lib-0.9.22 against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028 [INFO] extracting crate mers_lib 0.9.22 into /workspace/builds/worker-7-tc2/source [INFO] checking mers_lib-0.9.22 against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028 [INFO] extracting crate mers_lib 0.9.22 into /workspace/builds/worker-7-tc2/source [INFO] checking mers_lib-0.9.22 against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028 [INFO] extracting crate mers_lib 0.9.22 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate mers_lib 0.9.22 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mers_lib 0.9.22 [INFO] tweaked toml for crates.io crate mers_lib 0.9.22 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mers_lib 0.9.22 on toolchain 8a0378607d6b34c242e3bfa75554871be641864b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mers_lib 0.9.22 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" "+8a0378607d6b34c242e3bfa75554871be641864b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa53925a715ed43fd35ae1426816be3d9327cd521d5a6dd36b2b8815f6f68aaa [INFO] running `Command { std: "docker" "start" "-a" "aa53925a715ed43fd35ae1426816be3d9327cd521d5a6dd36b2b8815f6f68aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa53925a715ed43fd35ae1426816be3d9327cd521d5a6dd36b2b8815f6f68aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa53925a715ed43fd35ae1426816be3d9327cd521d5a6dd36b2b8815f6f68aaa", kill_on_drop: false }` [INFO] [stdout] aa53925a715ed43fd35ae1426816be3d9327cd521d5a6dd36b2b8815f6f68aaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c640810600488e3ab5065d560fe020b89b21117b2aff6695eec1d7c63dd9049 [INFO] running `Command { std: "docker" "start" "-a" "1c640810600488e3ab5065d560fe020b89b21117b2aff6695eec1d7c63dd9049", kill_on_drop: false }` [INFO] [stderr] Checking line-span v0.1.5 [INFO] [stderr] Checking mers_lib v0.9.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/mod.rs:266:16 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn get(&self) -> RwLockReadGuard> { [INFO] [stdout] | ^^^^^ ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 266 | pub fn get(&self) -> RwLockReadGuard<'_, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/mod.rs:269:30 [INFO] [stdout] | [INFO] [stdout] 269 | pub fn get_mut_unchecked(&self) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 269 | pub fn get_mut_unchecked(&self) -> RwLockWriteGuard<'_, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/mod.rs:272:24 [INFO] [stdout] | [INFO] [stdout] 272 | pub fn try_get_mut(&self) -> Option>> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 272 | pub fn try_get_mut(&self) -> Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/mod.rs:281:20 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn get_mut(&mut self) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 281 | pub fn get_mut(&mut self) -> RwLockWriteGuard<'_, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/object.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn iter(&self) -> std::slice::Iter<(usize, Data)> { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn iter(&self) -> std::slice::Iter<'_, (usize, Data)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/object.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn iter(&self) -> std::slice::Iter<(usize, Type)> { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn iter(&self) -> std::slice::Iter<'_, (usize, Type)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/errors/mod.rs:181:25 [INFO] [stdout] | [INFO] [stdout] 181 | pub fn indent_start(&self, right: bool) -> IndentStr { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 181 | pub fn indent_start(&self, right: bool) -> IndentStr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/errors/mod.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn indent_default(&self, right: bool) -> IndentStr { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 189 | pub fn indent_default(&self, right: bool) -> IndentStr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/errors/mod.rs:195:23 [INFO] [stdout] | [INFO] [stdout] 195 | pub fn indent_end(&self, right: bool) -> IndentStr { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 195 | pub fn indent_end(&self, right: bool) -> IndentStr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/errors/mod.rs:203:26 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn indent_single(&self, right: bool) -> IndentStr { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 203 | pub fn indent_single(&self, right: bool) -> IndentStr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/mod.rs:266:16 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn get(&self) -> RwLockReadGuard> { [INFO] [stdout] | ^^^^^ ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 266 | pub fn get(&self) -> RwLockReadGuard<'_, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/mod.rs:269:30 [INFO] [stdout] | [INFO] [stdout] 269 | pub fn get_mut_unchecked(&self) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 269 | pub fn get_mut_unchecked(&self) -> RwLockWriteGuard<'_, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/mod.rs:272:24 [INFO] [stdout] | [INFO] [stdout] 272 | pub fn try_get_mut(&self) -> Option>> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 272 | pub fn try_get_mut(&self) -> Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/mod.rs:281:20 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn get_mut(&mut self) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 281 | pub fn get_mut(&mut self) -> RwLockWriteGuard<'_, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/object.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn iter(&self) -> std::slice::Iter<(usize, Data)> { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn iter(&self) -> std::slice::Iter<'_, (usize, Data)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data/object.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn iter(&self) -> std::slice::Iter<(usize, Type)> { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn iter(&self) -> std::slice::Iter<'_, (usize, Type)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/errors/mod.rs:181:25 [INFO] [stdout] | [INFO] [stdout] 181 | pub fn indent_start(&self, right: bool) -> IndentStr { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 181 | pub fn indent_start(&self, right: bool) -> IndentStr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/errors/mod.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn indent_default(&self, right: bool) -> IndentStr { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 189 | pub fn indent_default(&self, right: bool) -> IndentStr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/errors/mod.rs:195:23 [INFO] [stdout] | [INFO] [stdout] 195 | pub fn indent_end(&self, right: bool) -> IndentStr { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 195 | pub fn indent_end(&self, right: bool) -> IndentStr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/errors/mod.rs:203:26 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn indent_single(&self, right: bool) -> IndentStr { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 203 | pub fn indent_single(&self, right: bool) -> IndentStr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s [INFO] running `Command { std: "docker" "inspect" "1c640810600488e3ab5065d560fe020b89b21117b2aff6695eec1d7c63dd9049", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c640810600488e3ab5065d560fe020b89b21117b2aff6695eec1d7c63dd9049", kill_on_drop: false }` [INFO] [stdout] 1c640810600488e3ab5065d560fe020b89b21117b2aff6695eec1d7c63dd9049