[INFO] fetching crate dahl-salso 0.6.6... [INFO] checking dahl-salso-0.6.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate dahl-salso 0.6.6 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate dahl-salso 0.6.6 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 dahl-salso 0.6.6 [INFO] finished tweaking crates.io crate dahl-salso 0.6.6 [INFO] tweaked toml for crates.io crate dahl-salso 0.6.6 written to /workspace/builds/worker-0-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 27 packages [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 v0.8.4 [INFO] [stderr] Downloaded dahl-partition v0.5.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9d5cfb7f7701291806283bc0c9b9c681fe48ae05358c52fc0433a10be25ff179 [INFO] running `Command { std: "docker" "start" "-a" "9d5cfb7f7701291806283bc0c9b9c681fe48ae05358c52fc0433a10be25ff179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d5cfb7f7701291806283bc0c9b9c681fe48ae05358c52fc0433a10be25ff179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d5cfb7f7701291806283bc0c9b9c681fe48ae05358c52fc0433a10be25ff179", kill_on_drop: false }` [INFO] [stdout] 9d5cfb7f7701291806283bc0c9b9c681fe48ae05358c52fc0433a10be25ff179 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cbbd2070ba12d91342451060a0802fc3fb16c46fd27b980eaf8c901aad40cab4 [INFO] running `Command { std: "docker" "start" "-a" "cbbd2070ba12d91342451060a0802fc3fb16c46fd27b980eaf8c901aad40cab4", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [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 crossbeam v0.8.4 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking dahl-partition v0.5.3 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking dahl-salso v0.6.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Clusterings` is imported redundantly [INFO] [stdout] --> src/loss.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::clustering::{Clusterings, WorkingClustering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 4 | use crate::optimize::CMLossComputer; [INFO] [stdout] 5 | use crate::*; [INFO] [stdout] | -------- the item `Clusterings` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Clusterings` is imported redundantly [INFO] [stdout] --> src/optimize.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::clustering::{Clusterings, WorkingClustering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 4 | use crate::*; [INFO] [stdout] | -------- the item `Clusterings` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Clusterings` is imported redundantly [INFO] [stdout] --> src/loss.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::clustering::{Clusterings, WorkingClustering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 4 | use crate::optimize::CMLossComputer; [INFO] [stdout] 5 | use crate::*; [INFO] [stdout] | -------- the item `Clusterings` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Clusterings` is imported redundantly [INFO] [stdout] --> src/optimize.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::clustering::{Clusterings, WorkingClustering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 4 | use crate::*; [INFO] [stdout] | -------- the item `Clusterings` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimize.rs:1057:13 [INFO] [stdout] | [INFO] [stdout] 1057 | let mut sc = &mut self.subsets[subset_index as usize]; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimize.rs:1057:13 [INFO] [stdout] | [INFO] [stdout] 1057 | let mut sc = &mut self.subsets[subset_index as usize]; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.22s [INFO] running `Command { std: "docker" "inspect" "cbbd2070ba12d91342451060a0802fc3fb16c46fd27b980eaf8c901aad40cab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbbd2070ba12d91342451060a0802fc3fb16c46fd27b980eaf8c901aad40cab4", kill_on_drop: false }` [INFO] [stdout] cbbd2070ba12d91342451060a0802fc3fb16c46fd27b980eaf8c901aad40cab4 [INFO] checking dahl-salso-0.6.6 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate dahl-salso 0.6.6 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate dahl-salso 0.6.6 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 dahl-salso 0.6.6 [INFO] finished tweaking crates.io crate dahl-salso 0.6.6 [INFO] tweaked toml for crates.io crate dahl-salso 0.6.6 written to /workspace/builds/worker-0-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 27 packages [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c0dfcb91fab2a117c60a71fe243522c857e61b4bfa6ad7b46f69274497a47f78 [INFO] running `Command { std: "docker" "start" "-a" "c0dfcb91fab2a117c60a71fe243522c857e61b4bfa6ad7b46f69274497a47f78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0dfcb91fab2a117c60a71fe243522c857e61b4bfa6ad7b46f69274497a47f78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0dfcb91fab2a117c60a71fe243522c857e61b4bfa6ad7b46f69274497a47f78", kill_on_drop: false }` [INFO] [stdout] c0dfcb91fab2a117c60a71fe243522c857e61b4bfa6ad7b46f69274497a47f78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 96930661130bf594eb9bd7725ae5081ce3c2738a3705d5ce6bb63971bb4dfa3c [INFO] running `Command { std: "docker" "start" "-a" "96930661130bf594eb9bd7725ae5081ce3c2738a3705d5ce6bb63971bb4dfa3c", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [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 crossbeam v0.8.4 [INFO] [stderr] Checking dahl-partition v0.5.3 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking dahl-salso v0.6.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Clusterings` is imported redundantly [INFO] [stdout] --> src/loss.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::clustering::{Clusterings, WorkingClustering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 4 | use crate::optimize::CMLossComputer; [INFO] [stdout] 5 | use crate::*; [INFO] [stdout] | -------- the item `Clusterings` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Clusterings` is imported redundantly [INFO] [stdout] --> src/loss.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::clustering::{Clusterings, WorkingClustering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 4 | use crate::optimize::CMLossComputer; [INFO] [stdout] 5 | use crate::*; [INFO] [stdout] | -------- the item `Clusterings` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Clusterings` is imported redundantly [INFO] [stdout] --> src/optimize.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::clustering::{Clusterings, WorkingClustering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 4 | use crate::*; [INFO] [stdout] | -------- the item `Clusterings` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Clusterings` is imported redundantly [INFO] [stdout] --> src/optimize.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::clustering::{Clusterings, WorkingClustering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 4 | use crate::*; [INFO] [stdout] | -------- the item `Clusterings` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimize.rs:1057:13 [INFO] [stdout] | [INFO] [stdout] 1057 | let mut sc = &mut self.subsets[subset_index as usize]; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimize.rs:1057:13 [INFO] [stdout] | [INFO] [stdout] 1057 | let mut sc = &mut self.subsets[subset_index as usize]; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.60s [INFO] running `Command { std: "docker" "inspect" "96930661130bf594eb9bd7725ae5081ce3c2738a3705d5ce6bb63971bb4dfa3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96930661130bf594eb9bd7725ae5081ce3c2738a3705d5ce6bb63971bb4dfa3c", kill_on_drop: false }` [INFO] [stdout] 96930661130bf594eb9bd7725ae5081ce3c2738a3705d5ce6bb63971bb4dfa3c