[INFO] fetching crate generational-arena 0.2.9... [INFO] checking generational-arena-0.2.9 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate generational-arena 0.2.9 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate generational-arena 0.2.9 [INFO] finished tweaking crates.io crate generational-arena 0.2.9 [INFO] tweaked toml for crates.io crate generational-arena 0.2.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate generational-arena 0.2.9 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 90 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2590898496ac40017d0441ebf80161ff5ddd3748854bbf3899e1ea61b30723e4 [INFO] running `Command { std: "docker" "start" "-a" "2590898496ac40017d0441ebf80161ff5ddd3748854bbf3899e1ea61b30723e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2590898496ac40017d0441ebf80161ff5ddd3748854bbf3899e1ea61b30723e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2590898496ac40017d0441ebf80161ff5ddd3748854bbf3899e1ea61b30723e4", kill_on_drop: false }` [INFO] [stdout] 2590898496ac40017d0441ebf80161ff5ddd3748854bbf3899e1ea61b30723e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81c7579b6c326f2b5ba37974808f97ce3edb6cbdd64906158a934e6d436409da [INFO] running `Command { std: "docker" "start" "-a" "81c7579b6c326f2b5ba37974808f97ce3edb6cbdd64906158a934e6d436409da", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking generational-arena v0.2.9 (/opt/rustwide/workdir) [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:854:17 [INFO] [stdout] | [INFO] [stdout] 854 | pub fn iter(&self) -> Iter { [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] 854 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:881:21 [INFO] [stdout] | [INFO] [stdout] 881 | pub fn iter_mut(&mut self) -> IterMut { [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] 881 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:913:18 [INFO] [stdout] | [INFO] [stdout] 913 | pub fn drain(&mut self) -> Drain { [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] 913 | pub fn drain(&mut self) -> Drain<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Checking serde_test v1.0.177 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use criterion::{Criterion, ParameterizedBenchmark, Throughput}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:35:7 [INFO] [stdout] | [INFO] [stdout] 35 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:72:7 [INFO] [stdout] | [INFO] [stdout] 72 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:89:7 [INFO] [stdout] | [INFO] [stdout] 89 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:105:7 [INFO] [stdout] | [INFO] [stdout] 105 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> benches/benches.rs:9:14 [INFO] [stdout] | [INFO] [stdout] 9 | struct Small(usize); [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> benches/benches.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | struct Big([usize; 32]); [INFO] [stdout] | --- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:854:17 [INFO] [stdout] | [INFO] [stdout] 854 | pub fn iter(&self) -> Iter { [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] 854 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:881:21 [INFO] [stdout] | [INFO] [stdout] 881 | pub fn iter_mut(&mut self) -> IterMut { [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] 881 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:913:18 [INFO] [stdout] | [INFO] [stdout] 913 | pub fn drain(&mut self) -> Drain { [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] 913 | pub fn drain(&mut self) -> Drain<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.67s [INFO] running `Command { std: "docker" "inspect" "81c7579b6c326f2b5ba37974808f97ce3edb6cbdd64906158a934e6d436409da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81c7579b6c326f2b5ba37974808f97ce3edb6cbdd64906158a934e6d436409da", kill_on_drop: false }` [INFO] [stdout] 81c7579b6c326f2b5ba37974808f97ce3edb6cbdd64906158a934e6d436409da