[INFO] fetching crate alphalpha 0.1.0...
[INFO] checking alphalpha-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate alphalpha 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate alphalpha 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.3)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding lophat v0.9.2 (latest: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.5
[INFO] [stderr]   Downloaded lophat v0.9.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.18
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded bit-set v0.5.3
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded rayon-core v1.12.1
[INFO] [stderr]   Downloaded hashbrown v0.13.2
[INFO] [stderr]   Downloaded rayon v1.10.0
[INFO] [stderr]   Downloaded spade v2.6.0
[INFO] [stderr]   Downloaded robust v1.1.0
[INFO] [stderr]   Downloaded pinboard v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d26349f5618cb4f0988f1d3a051129c756bac25df1b9f63ea658422bc9397cb
[INFO] running `Command { std: "docker" "start" "-a" "0d26349f5618cb4f0988f1d3a051129c756bac25df1b9f63ea658422bc9397cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d26349f5618cb4f0988f1d3a051129c756bac25df1b9f63ea658422bc9397cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d26349f5618cb4f0988f1d3a051129c756bac25df1b9f63ea658422bc9397cb", kill_on_drop: false }`
[INFO] [stdout] 0d26349f5618cb4f0988f1d3a051129c756bac25df1b9f63ea658422bc9397cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04dfa5f5bce3b40a3e91084ca5a97cbbd7062c8eec7558a4150e9eae4b7c9171
[INFO] running `Command { std: "docker" "start" "-a" "04dfa5f5bce3b40a3e91084ca5a97cbbd7062c8eec7558a4150e9eae4b7c9171", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking robust v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking pinboard v2.2.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking spade v2.6.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking lophat v0.9.2
[INFO] [stderr]     Checking alphalpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Itertools` is imported redundantly
[INFO] [stdout]   --> src/lophat.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use super::*;
[INFO] [stdout]    |         -------- the item `Itertools` is already imported here
[INFO] [stdout] 95 |     use crate::{alpha_filtration, tests::simple_square, weak_alpha_filtration};
[INFO] [stdout] 96 |     use itertools::Itertools;
[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` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "04dfa5f5bce3b40a3e91084ca5a97cbbd7062c8eec7558a4150e9eae4b7c9171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04dfa5f5bce3b40a3e91084ca5a97cbbd7062c8eec7558a4150e9eae4b7c9171", kill_on_drop: false }`
[INFO] [stdout] 04dfa5f5bce3b40a3e91084ca5a97cbbd7062c8eec7558a4150e9eae4b7c9171
[INFO] checking alphalpha-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate alphalpha 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate alphalpha 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.3)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding lophat v0.9.2 (latest: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad4f08f2ebf43368fedea0d41ffe5ac9d4a7aa3f0fd6f51ebbe13693c47a86b1
[INFO] running `Command { std: "docker" "start" "-a" "ad4f08f2ebf43368fedea0d41ffe5ac9d4a7aa3f0fd6f51ebbe13693c47a86b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4f08f2ebf43368fedea0d41ffe5ac9d4a7aa3f0fd6f51ebbe13693c47a86b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4f08f2ebf43368fedea0d41ffe5ac9d4a7aa3f0fd6f51ebbe13693c47a86b1", kill_on_drop: false }`
[INFO] [stdout] ad4f08f2ebf43368fedea0d41ffe5ac9d4a7aa3f0fd6f51ebbe13693c47a86b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0890ed46c99958d700f3afed239240ea18d33295752cd6c93f8573bed6a526a7
[INFO] running `Command { std: "docker" "start" "-a" "0890ed46c99958d700f3afed239240ea18d33295752cd6c93f8573bed6a526a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking robust v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking pinboard v2.2.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking spade v2.6.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking lophat v0.9.2
[INFO] [stderr]     Checking alphalpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Itertools` is imported redundantly
[INFO] [stdout]   --> src/lophat.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use super::*;
[INFO] [stdout]    |         -------- the item `Itertools` is already imported here
[INFO] [stdout] 95 |     use crate::{alpha_filtration, tests::simple_square, weak_alpha_filtration};
[INFO] [stdout] 96 |     use itertools::Itertools;
[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` profile [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "0890ed46c99958d700f3afed239240ea18d33295752cd6c93f8573bed6a526a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0890ed46c99958d700f3afed239240ea18d33295752cd6c93f8573bed6a526a7", kill_on_drop: false }`
[INFO] [stdout] 0890ed46c99958d700f3afed239240ea18d33295752cd6c93f8573bed6a526a7