[INFO] fetching crate alphalpha 0.1.0...
[INFO] testing alphalpha-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate alphalpha 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate alphalpha 0.1.0
[INFO] finished tweaking crates.io crate alphalpha 0.1.0
[INFO] tweaked toml for crates.io crate alphalpha 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate alphalpha 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding lophat v0.9.2 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pinboard v2.2.0
[INFO] [stderr]   Downloaded lophat v0.9.2
[INFO] [stderr]   Downloaded robust v1.2.0
[INFO] [stderr]   Downloaded spade v2.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b80363e9f42c9abe23b3a9f04fe40bfba2948003fa5125073538a92d544cb01
[INFO] running `Command { std: "docker" "start" "-a" "5b80363e9f42c9abe23b3a9f04fe40bfba2948003fa5125073538a92d544cb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b80363e9f42c9abe23b3a9f04fe40bfba2948003fa5125073538a92d544cb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b80363e9f42c9abe23b3a9f04fe40bfba2948003fa5125073538a92d544cb01", kill_on_drop: false }`
[INFO] [stdout] 5b80363e9f42c9abe23b3a9f04fe40bfba2948003fa5125073538a92d544cb01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3451ad901be7994e619167e8fbefe90f81b97662b2cb0d481e1f37386d944365
[INFO] running `Command { std: "docker" "start" "-a" "3451ad901be7994e619167e8fbefe90f81b97662b2cb0d481e1f37386d944365", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling robust v1.2.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling pinboard v2.2.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling spade v2.15.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling lophat v0.9.2
[INFO] [stderr]    Compiling alphalpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_idx` is never read
[INFO] [stdout]   --> src/lophat.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         next_idx += 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `Command { std: "docker" "inspect" "3451ad901be7994e619167e8fbefe90f81b97662b2cb0d481e1f37386d944365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3451ad901be7994e619167e8fbefe90f81b97662b2cb0d481e1f37386d944365", kill_on_drop: false }`
[INFO] [stdout] 3451ad901be7994e619167e8fbefe90f81b97662b2cb0d481e1f37386d944365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75761ce4c6e3b0d958892ddfc9f925601865816a0094f9ab385f4e402c17c3ac
[INFO] running `Command { std: "docker" "start" "-a" "75761ce4c6e3b0d958892ddfc9f925601865816a0094f9ab385f4e402c17c3ac", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `next_idx` is never read
[INFO] [stdout]   --> src/lophat.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         next_idx += 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling alphalpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_idx` is never read
[INFO] [stdout]   --> src/lophat.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         next_idx += 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "75761ce4c6e3b0d958892ddfc9f925601865816a0094f9ab385f4e402c17c3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75761ce4c6e3b0d958892ddfc9f925601865816a0094f9ab385f4e402c17c3ac", kill_on_drop: false }`
[INFO] [stdout] 75761ce4c6e3b0d958892ddfc9f925601865816a0094f9ab385f4e402c17c3ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4c3a179e2b8c731fab4b9926e5324a36e7ebb626fda674035b998528a11be1a
[INFO] running `Command { std: "docker" "start" "-a" "e4c3a179e2b8c731fab4b9926e5324a36e7ebb626fda674035b998528a11be1a", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `next_idx` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/lophat.rs:84:9
[INFO] [stdout] running 5 tests
[INFO] [stderr]    |
[INFO] [stdout] test tests::weak_alpha_simple_example ... ok
[INFO] [stderr] 84 |         next_idx += 1;
[INFO] [stdout] test lophat::tests::alpha_wide_isoceles ... ok
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stdout] test lophat::tests::weak_alpha_persistence ... ok
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alphalpha` (lib) generated 1 warning
[INFO] [stderr] warning: `alphalpha` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alphalpha-02bb43af6e886cb7)
[INFO] [stdout] test lophat::tests::alpha_persistence ... ok
[INFO] [stdout] test tests::alpha_simple_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alphalpha
[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" "e4c3a179e2b8c731fab4b9926e5324a36e7ebb626fda674035b998528a11be1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c3a179e2b8c731fab4b9926e5324a36e7ebb626fda674035b998528a11be1a", kill_on_drop: false }`
[INFO] [stdout] e4c3a179e2b8c731fab4b9926e5324a36e7ebb626fda674035b998528a11be1a