[INFO] cloning repository https://github.com/krukah/vacuum-algebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krukah/vacuum-algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrukah%2Fvacuum-algebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrukah%2Fvacuum-algebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a2542139d11ba23e56e9d777827c89b43a77d2c
[INFO] testing krukah/vacuum-algebra against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrukah%2Fvacuum-algebra" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krukah/vacuum-algebra
[INFO] finished tweaking git repo https://github.com/krukah/vacuum-algebra
[INFO] tweaked toml for git repo https://github.com/krukah/vacuum-algebra written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krukah/vacuum-algebra on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krukah/vacuum-algebra 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 843612fe55e96f13e8b8dfd083273d15f737582ce87d12b67eed11f839501293
[INFO] running `Command { std: "docker" "start" "-a" "843612fe55e96f13e8b8dfd083273d15f737582ce87d12b67eed11f839501293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "843612fe55e96f13e8b8dfd083273d15f737582ce87d12b67eed11f839501293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843612fe55e96f13e8b8dfd083273d15f737582ce87d12b67eed11f839501293", kill_on_drop: false }`
[INFO] [stdout] 843612fe55e96f13e8b8dfd083273d15f737582ce87d12b67eed11f839501293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732ea5ca67161f833225557cc6307b2f3609d2f57439e8cc9ad0532e80c8f6f9
[INFO] running `Command { std: "docker" "start" "-a" "732ea5ca67161f833225557cc6307b2f3609d2f57439e8cc9ad0532e80c8f6f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling svg v0.18.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling vacuum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::render::Segment`
[INFO] [stdout]  --> src/expression.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::render::Segment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/expression.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/render.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         (self.expectation().size() as f32)
[INFO] [stdout]    |         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -         (self.expectation().size() as f32)
[INFO] [stdout] 25 +         self.expectation().size() as f32 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "732ea5ca67161f833225557cc6307b2f3609d2f57439e8cc9ad0532e80c8f6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732ea5ca67161f833225557cc6307b2f3609d2f57439e8cc9ad0532e80c8f6f9", kill_on_drop: false }`
[INFO] [stdout] 732ea5ca67161f833225557cc6307b2f3609d2f57439e8cc9ad0532e80c8f6f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da2210ee8adac4377bd2d11f7fd4af8e29cc40cc7e0bba9edc9524c5b37858ec
[INFO] running `Command { std: "docker" "start" "-a" "da2210ee8adac4377bd2d11f7fd4af8e29cc40cc7e0bba9edc9524c5b37858ec", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::render::Segment`
[INFO] [stdout]  --> src/expression.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::render::Segment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/expression.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/render.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         (self.expectation().size() as f32)
[INFO] [stdout]    |         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -         (self.expectation().size() as f32)
[INFO] [stdout] 25 +         self.expectation().size() as f32 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vacuum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::render::Segment`
[INFO] [stdout]  --> src/expression.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::render::Segment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/expression.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/render.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         (self.expectation().size() as f32)
[INFO] [stdout]    |         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -         (self.expectation().size() as f32)
[INFO] [stdout] 25 +         self.expectation().size() as f32 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "da2210ee8adac4377bd2d11f7fd4af8e29cc40cc7e0bba9edc9524c5b37858ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2210ee8adac4377bd2d11f7fd4af8e29cc40cc7e0bba9edc9524c5b37858ec", kill_on_drop: false }`
[INFO] [stdout] da2210ee8adac4377bd2d11f7fd4af8e29cc40cc7e0bba9edc9524c5b37858ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce0dc7f97cf6c0ea1742c113b798ad32fdaca29cbb6ffc047b24069b93aa29e5
[INFO] running `Command { std: "docker" "start" "-a" "ce0dc7f97cf6c0ea1742c113b798ad32fdaca29cbb6ffc047b24069b93aa29e5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::render::Segment`
[INFO] [stderr]  --> src/expression.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::render::Segment;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/expression.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/render.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         (self.expectation().size() as f32)
[INFO] [stderr]    |         ^                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 -         (self.expectation().size() as f32)
[INFO] [stderr] 25 +         self.expectation().size() as f32 
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `vacuum` (lib) generated 3 warnings (run `cargo fix --lib -p vacuum` to apply 3 suggestions)
[INFO] [stderr] warning: `vacuum` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vacuum-5cd9e84b5f5a73b3)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test expression::tests::test_2_char_expressions ... ok
[INFO] [stdout] test expression::tests::test_3_char_expressions ... ok
[INFO] [stdout] test expression::tests::test_from_str ... ok
[INFO] [stdout] test expression::tests::test_runaway_substitution_2 ... ok
[INFO] [stdout] test expression::tests::test_split ... ok
[INFO] [stdout] test ladder::tests::test_ladder_not ... ok
[INFO] [stdout] test natural::tests::test_natural_add ... ok
[INFO] [stdout] test expression::tests::test_concatenation ... ok
[INFO] [stdout] test natural::tests::test_natural_unit ... ok
[INFO] [stdout] test natural::tests::test_natural_zero ... ok
[INFO] [stdout] test expression::tests::test_8_char_expressions ... ok
[INFO] [stdout] test expression::tests::test_runaway_substitution_1 ... ok
[INFO] [stdout] test expression::tests::test_iteration ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vacuum-da275be52f238440)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vacuum
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[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] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/render.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         (self.expectation().size() as f32)
[INFO] [stderr]    |         ^                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 -         (self.expectation().size() as f32)
[INFO] [stderr] 25 +         self.expectation().size() as f32 
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "ce0dc7f97cf6c0ea1742c113b798ad32fdaca29cbb6ffc047b24069b93aa29e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0dc7f97cf6c0ea1742c113b798ad32fdaca29cbb6ffc047b24069b93aa29e5", kill_on_drop: false }`
[INFO] [stdout] ce0dc7f97cf6c0ea1742c113b798ad32fdaca29cbb6ffc047b24069b93aa29e5