[INFO] fetching crate letter-sequence 0.6.0... [INFO] testing letter-sequence-0.6.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate letter-sequence 0.6.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate letter-sequence 0.6.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate letter-sequence 0.6.0 [INFO] finished tweaking crates.io crate letter-sequence 0.6.0 [INFO] tweaked toml for crates.io crate letter-sequence 0.6.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate letter-sequence 0.6.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 315ce0ce18f0fe9dbae10f0472495ad9ea65e9d1d55ad7eddf443138cbb52aaf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "315ce0ce18f0fe9dbae10f0472495ad9ea65e9d1d55ad7eddf443138cbb52aaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "315ce0ce18f0fe9dbae10f0472495ad9ea65e9d1d55ad7eddf443138cbb52aaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "315ce0ce18f0fe9dbae10f0472495ad9ea65e9d1d55ad7eddf443138cbb52aaf", kill_on_drop: false }` [INFO] [stdout] 315ce0ce18f0fe9dbae10f0472495ad9ea65e9d1d55ad7eddf443138cbb52aaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46080ed58899dfc5f1a2efcdb1562066dee164ebc295d5113ec756828ff0d74c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "46080ed58899dfc5f1a2efcdb1562066dee164ebc295d5113ec756828ff0d74c", kill_on_drop: false }` [INFO] [stderr] Compiling letter-sequence v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cur` [INFO] [stdout] --> src/sequence.rs:38:7 [INFO] [stdout] | [INFO] [stdout] 38 | let cur = self.inner.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cur` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_unchecked` [INFO] [stdout] --> src/sequence.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | fn new_unchecked(inner: u64) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/main.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.78s [INFO] running `Command { std: "docker" "inspect" "46080ed58899dfc5f1a2efcdb1562066dee164ebc295d5113ec756828ff0d74c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46080ed58899dfc5f1a2efcdb1562066dee164ebc295d5113ec756828ff0d74c", kill_on_drop: false }` [INFO] [stdout] 46080ed58899dfc5f1a2efcdb1562066dee164ebc295d5113ec756828ff0d74c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e2f366ae56daf4725ef2422158188be4152d14a2efeb4436de81fb541fbced1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1e2f366ae56daf4725ef2422158188be4152d14a2efeb4436de81fb541fbced1", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `cur` [INFO] [stdout] --> src/sequence.rs:38:7 [INFO] [stdout] | [INFO] [stdout] 38 | let cur = self.inner.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cur` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling letter-sequence v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new_unchecked` [INFO] [stdout] --> src/sequence.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | fn new_unchecked(inner: u64) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/main.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cur` [INFO] [stdout] --> src/sequence.rs:38:7 [INFO] [stdout] | [INFO] [stdout] 38 | let cur = self.inner.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cur` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.14s [INFO] running `Command { std: "docker" "inspect" "1e2f366ae56daf4725ef2422158188be4152d14a2efeb4436de81fb541fbced1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e2f366ae56daf4725ef2422158188be4152d14a2efeb4436de81fb541fbced1", kill_on_drop: false }` [INFO] [stdout] 1e2f366ae56daf4725ef2422158188be4152d14a2efeb4436de81fb541fbced1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 96304b8341d37007450afde71bd039fc6532ba9f270c6a0acea1ce2f23f5e557 [INFO] running `Command { std: "docker" "start" "-a" "96304b8341d37007450afde71bd039fc6532ba9f270c6a0acea1ce2f23f5e557", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `cur` [INFO] [stderr] --> src/sequence.rs:38:7 [INFO] [stderr] | [INFO] [stderr] 38 | let cur = self.inner.clone(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_cur` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new_unchecked` [INFO] [stderr] --> src/sequence.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | fn new_unchecked(inner: u64) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `letter-sequence` (lib) generated 2 warnings [INFO] [stderr] warning: unused import: `std::ops::Add` [INFO] [stderr] --> src/main.rs:8:6 [INFO] [stderr] | [INFO] [stderr] 8 | use std::ops::Add; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `letter-sequence` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `letter-sequence` (bin "letter-sequence" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/letter_sequence-33d364c8e45c8a2a) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test sequence::builder::test::max_render_capacity ... ok [INFO] [stdout] test sequence::test::default ... ok [INFO] [stdout] test sequence::helper::test::char::simple ... ok [INFO] [stdout] test sequence::test::lower ... ok [INFO] [stdout] test sequence::test::new_unchecked ... ok [INFO] [stdout] test sequence::test::rollover ... ok [INFO] [stdout] test sequence::test::upper ... ok [INFO] [stdout] test sequence::builder::test::simple ... ok [INFO] [stdout] test sequence::test::num ... ok [INFO] [stdout] test sequence::builder::test::rollover ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.99s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/letter_sequence-505725ea39a9d359) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests letter-sequence [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test src/sequence/builder.rs - sequence::builder::SequenceBuilder (line 23) ... ok [INFO] [stdout] test src/sequence/builder.rs - sequence::builder::SequenceBuilder (line 40) ... ok [INFO] [stdout] test src/sequence/helper.rs - sequence::helper::string_to_int (line 70) ... ok [INFO] [stdout] test src/sequence/helper.rs - sequence::helper::int_to_char (line 36) ... ok [INFO] [stdout] test src/sequence/helper.rs - sequence::helper::int_to_string (line 6) ... ok [INFO] [stdout] test src/sequence/builder.rs - sequence::builder::SequenceBuilder::new (line 99) ... ok [INFO] [stdout] test src/sequence/builder.rs - sequence::builder::SequenceBuilder (line 6) ... ok [INFO] [stdout] test src/lib.rs - sequence (line 32) ... ok [INFO] [stdout] test src/sequence/builder.rs - sequence::builder::SequenceBuilder::max_render_capacity (line 115) ... ok [INFO] [stdout] test src/sequence/combined.rs - sequence::combined::CombinedSequence (line 16) ... ok [INFO] [stdout] test src/lib.rs - sequence (line 47) ... ok [INFO] [stdout] test src/sequence/helper.rs - sequence::helper::char_to_int (line 53) ... ok [INFO] [stdout] test src/sequence/builder.rs - sequence::builder::SequenceBuilder (line 187) ... ok [INFO] [stdout] test src/sequence.rs - sequence::Sequence (line 49) ... ok [INFO] [stdout] test src/sequence/builder.rs - sequence::builder::SequenceBuilder (line 53) ... ok [INFO] [stdout] test src/lib.rs - sequence (line 13) ... ok [INFO] [stdout] test src/sequence/renderer.rs - sequence::renderer::RenderDisplay (line 19) ... ok [INFO] [stdout] test src/sequence/renderer.rs - sequence::renderer::max_alpha (line 151) ... ok [INFO] [stdout] test src/sequence/renderer.rs - sequence::renderer::max_numeric (line 169) ... ok [INFO] [stdout] test src/sequence/renderer.rs - sequence::renderer::SeqRenderer::render (line 68) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.92s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "96304b8341d37007450afde71bd039fc6532ba9f270c6a0acea1ce2f23f5e557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96304b8341d37007450afde71bd039fc6532ba9f270c6a0acea1ce2f23f5e557", kill_on_drop: false }` [INFO] [stdout] 96304b8341d37007450afde71bd039fc6532ba9f270c6a0acea1ce2f23f5e557