[INFO] fetching crate bittyset 0.1.1...
[INFO] checking bittyset-0.1.1 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate bittyset 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate bittyset 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bittyset 0.1.1
[INFO] tweaked toml for crates.io crate bittyset 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bittyset 0.1.1 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gensym v0.1.1
[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" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ca811bce03098ee8e2e34a5547035e1543b56d2c4894f4f3d3b5f4a2fdc04ea
[INFO] running `Command { std: "docker" "start" "-a" "8ca811bce03098ee8e2e34a5547035e1543b56d2c4894f4f3d3b5f4a2fdc04ea", kill_on_drop: false }`
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[INFO] [stdout] 8ca811bce03098ee8e2e34a5547035e1543b56d2c4894f4f3d3b5f4a2fdc04ea
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[INFO] [stderr]    Compiling proc-macro2 v1.0.101
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[INFO] [stderr]    Compiling gensym v0.1.1
[INFO] [stderr]     Checking bittyset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:208:15
[INFO] [stdout]     |
[INFO] [stdout] 208 |   pub fn iter(&self) -> Iter<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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 208 |   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:225:20
[INFO] [stdout]     |
[INFO] [stdout] 225 |   pub fn iter_from(&self, start: usize) -> Iter<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] 225 |   pub fn iter_from(&self, start: usize) -> Iter<'_, T> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error[E0432]: unresolved import `criterion::Fun`
[INFO] [stdout]  --> benches/bitset.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion, Fun};
[INFO] [stdout]   |                                                                        ^^^ no `Fun` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `usize: SampleRange<_>` is not satisfied
[INFO] [stdout]    --> benches/bitset.rs:8:34
[INFO] [stdout]     |
[INFO] [stdout] 8   |   (0..len).map(|_| rng.gen_range(0usize, 1 << nbits)).collect()
[INFO] [stdout]     |                        --------- ^^^^^^ the trait `SampleRange<_>` is not implemented for `usize`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `SampleRange<T>`:
[INFO] [stdout]               std::ops::Range<T>
[INFO] [stdout]               std::ops::RangeInclusive<T>
[INFO] [stdout] note: required by a bound in `gen_range`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rng.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn gen_range<T, R>(&mut self, range: R) -> T
[INFO] [stdout]     |        --------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 132 |         R: SampleRange<T>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^ required by this bound in `Rng::gen_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bittyset` (bench "bitset") due to 12 previous errors
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> benches/bitset.rs:8:24
[INFO] [stdout]     |
[INFO] [stdout] 8   |   (0..len).map(|_| rng.gen_range(0usize, 1 << nbits)).collect()
[INFO] [stdout]     |                        ^^^^^^^^^         ---------- unexpected argument #2 of type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rng.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn gen_range<T, R>(&mut self, range: R) -> T
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] 8   -   (0..len).map(|_| rng.gen_range(0usize, 1 << nbits)).collect()
[INFO] [stdout] 8   +   (0..len).map(|_| rng.gen_range(0usize)).collect()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout] 12   |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:41:5
[INFO] [stdout]      |
[INFO] [stdout] 41   |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:77:5
[INFO] [stdout]      |
[INFO] [stdout] 77   |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:102:5
[INFO] [stdout]      |
[INFO] [stdout] 102  |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:131:5
[INFO] [stdout]      |
[INFO] [stdout] 131  |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:160:5
[INFO] [stdout]      |
[INFO] [stdout] 160  |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:189:5
[INFO] [stdout]      |
[INFO] [stdout] 189  |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:219:5
[INFO] [stdout]      |
[INFO] [stdout] 219  |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bench_functions` found for mutable reference `&mut Criterion` in the current scope
[INFO] [stdout]     --> benches/bitset.rs:244:5
[INFO] [stdout]      |
[INFO] [stdout] 244  |   c.bench_functions(
[INFO] [stdout]      |   --^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: there is a method `bench_function` with a similar name, but with different arguments
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs:1216:5
[INFO] [stdout]      |
[INFO] [stdout] 1216 | /     pub fn bench_function<F>(&mut self, id: &str, f: F) -> &mut Criterion<M>
[INFO] [stdout] 1217 | |     where
[INFO] [stdout] 1218 | |         F: FnMut(&mut Bencher<'_, M>),
[INFO] [stdout]      | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:208:15
[INFO] [stdout]     |
[INFO] [stdout] 208 |   pub fn iter(&self) -> Iter<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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 208 |   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:225:20
[INFO] [stdout]     |
[INFO] [stdout] 225 |   pub fn iter_from(&self, start: usize) -> Iter<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] 225 |   pub fn iter_from(&self, start: usize) -> Iter<'_, T> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6de76f51ddc931a98c4c11184888fdd2808ad9e509b7f15b44411b7145bb74c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de76f51ddc931a98c4c11184888fdd2808ad9e509b7f15b44411b7145bb74c4", kill_on_drop: false }`
[INFO] [stdout] 6de76f51ddc931a98c4c11184888fdd2808ad9e509b7f15b44411b7145bb74c4
