[INFO] cloning repository https://github.com/GavrilenkoDS/CDC_algs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GavrilenkoDS/CDC_algs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGavrilenkoDS%2FCDC_algs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGavrilenkoDS%2FCDC_algs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e14c142631c801636b81a3231d0ca69a2e68e90
[INFO] checking GavrilenkoDS/CDC_algs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGavrilenkoDS%2FCDC_algs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GavrilenkoDS/CDC_algs 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 git repo https://github.com/GavrilenkoDS/CDC_algs
[INFO] finished tweaking git repo https://github.com/GavrilenkoDS/CDC_algs
[INFO] tweaked toml for git repo https://github.com/GavrilenkoDS/CDC_algs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GavrilenkoDS/CDC_algs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 613e1929cd58ae22075b59ebc9dc999b6245c1448b1b06949807cee20a8bd58a
[INFO] running `Command { std: "docker" "start" "-a" "613e1929cd58ae22075b59ebc9dc999b6245c1448b1b06949807cee20a8bd58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "613e1929cd58ae22075b59ebc9dc999b6245c1448b1b06949807cee20a8bd58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613e1929cd58ae22075b59ebc9dc999b6245c1448b1b06949807cee20a8bd58a", kill_on_drop: false }`
[INFO] [stdout] 613e1929cd58ae22075b59ebc9dc999b6245c1448b1b06949807cee20a8bd58a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 40a5bf90cfcc5f8fd72682bbac407d99fa18b7db3277ecf6c33b2453be0cf190
[INFO] running `Command { std: "docker" "start" "-a" "40a5bf90cfcc5f8fd72682bbac407d99fa18b7db3277ecf6c33b2453be0cf190", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking cdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ParallelSlice` is imported redundantly
[INFO] [stdout]  --> src/fixed_size_parallel_rayon.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon::prelude::*;
[INFO] [stdout]   |     ----------------- the item `ParallelSlice` is already imported here
[INFO] [stdout] 2 | use rayon::slice::ParallelSlice;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/fixed_size_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParallelSlice` is imported redundantly
[INFO] [stdout]  --> src/fixed_size_parallel_rayon.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon::prelude::*;
[INFO] [stdout]   |     ----------------- the item `ParallelSlice` is already imported here
[INFO] [stdout] 2 | use rayon::slice::ParallelSlice;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rolling_hash_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rabin_karp_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_cpus`
[INFO] [stdout]  --> src/rolling_hash_vectorisation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rolling_hash_parallel_vectorisation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/fixed_size_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rolling_hash_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rabin_karp_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_cpus`
[INFO] [stdout]  --> src/rolling_hash_vectorisation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rolling_hash_parallel_vectorisation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_size`
[INFO] [stdout]  --> src/fixed_size_parallel_threads.rs:4:64
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fixed_size_parallel_threads(pattern: &[u8], text: &[u8],chunk_size: usize) -> Vec<usize> {
[INFO] [stdout]   |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_size`
[INFO] [stdout]  --> src/fixed_size_parallel_threads.rs:4:64
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fixed_size_parallel_threads(pattern: &[u8], text: &[u8],chunk_size: usize) -> Vec<usize> {
[INFO] [stdout]   |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/fixed_size_parallel_threads.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 chunk_result = fixed_size(&pattern, &chunk,chunk_size);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/fixed_size_parallel_threads.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 chunk_result = fixed_size(&pattern, &chunk,chunk_size);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_parallel_threads.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 chunk_result = rolling_hash(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_parallel_threads.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 chunk_result = rolling_hash(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rabin_karp_parallel_threads.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 chunk_result = rabin_karp(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rabin_karp_parallel_threads.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 chunk_result = rabin_karp(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_vectorisation.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 chunk_result = rolling_hash_vect(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_vectorisation.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 chunk_result = rolling_hash_vect(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_parallel_vectorisation.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 chunk_result = rolling_hash_vect(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_parallel_vectorisation.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 chunk_result = rolling_hash_vect(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "40a5bf90cfcc5f8fd72682bbac407d99fa18b7db3277ecf6c33b2453be0cf190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a5bf90cfcc5f8fd72682bbac407d99fa18b7db3277ecf6c33b2453be0cf190", kill_on_drop: false }`
[INFO] [stdout] 40a5bf90cfcc5f8fd72682bbac407d99fa18b7db3277ecf6c33b2453be0cf190
[INFO] checking GavrilenkoDS/CDC_algs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGavrilenkoDS%2FCDC_algs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GavrilenkoDS/CDC_algs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GavrilenkoDS/CDC_algs
[INFO] finished tweaking git repo https://github.com/GavrilenkoDS/CDC_algs
[INFO] tweaked toml for git repo https://github.com/GavrilenkoDS/CDC_algs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GavrilenkoDS/CDC_algs 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c0c7223046ffb6f74c5b040771a85b32aadc0fae49b321c9f809f27d88a1357
[INFO] running `Command { std: "docker" "start" "-a" "4c0c7223046ffb6f74c5b040771a85b32aadc0fae49b321c9f809f27d88a1357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c0c7223046ffb6f74c5b040771a85b32aadc0fae49b321c9f809f27d88a1357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0c7223046ffb6f74c5b040771a85b32aadc0fae49b321c9f809f27d88a1357", kill_on_drop: false }`
[INFO] [stdout] 4c0c7223046ffb6f74c5b040771a85b32aadc0fae49b321c9f809f27d88a1357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d901acb4babc4f9cf44290baf882c992ed7fe6fe3dd80c1d86262f7e19c16fea
[INFO] running `Command { std: "docker" "start" "-a" "d901acb4babc4f9cf44290baf882c992ed7fe6fe3dd80c1d86262f7e19c16fea", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking cdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ParallelSlice` is imported redundantly
[INFO] [stdout]  --> src/fixed_size_parallel_rayon.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon::prelude::*;
[INFO] [stdout]   |     ----------------- the item `ParallelSlice` is already imported here
[INFO] [stdout] 2 | use rayon::slice::ParallelSlice;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/fixed_size_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rolling_hash_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rabin_karp_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_cpus`
[INFO] [stdout]  --> src/rolling_hash_vectorisation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rolling_hash_parallel_vectorisation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParallelSlice` is imported redundantly
[INFO] [stdout]  --> src/fixed_size_parallel_rayon.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rayon::prelude::*;
[INFO] [stdout]   |     ----------------- the item `ParallelSlice` is already imported here
[INFO] [stdout] 2 | use rayon::slice::ParallelSlice;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/fixed_size_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rolling_hash_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rabin_karp_parallel_threads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_cpus`
[INFO] [stdout]  --> src/rolling_hash_vectorisation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/rolling_hash_parallel_vectorisation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_cpus;
[INFO] [stdout]   |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_size`
[INFO] [stdout]  --> src/fixed_size_parallel_threads.rs:4:64
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fixed_size_parallel_threads(pattern: &[u8], text: &[u8],chunk_size: usize) -> Vec<usize> {
[INFO] [stdout]   |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/fixed_size_parallel_threads.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 chunk_result = fixed_size(&pattern, &chunk,chunk_size);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_parallel_threads.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 chunk_result = rolling_hash(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rabin_karp_parallel_threads.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 chunk_result = rabin_karp(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_vectorisation.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 chunk_result = rolling_hash_vect(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_size`
[INFO] [stdout]  --> src/fixed_size_parallel_threads.rs:4:64
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fixed_size_parallel_threads(pattern: &[u8], text: &[u8],chunk_size: usize) -> Vec<usize> {
[INFO] [stdout]   |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/fixed_size_parallel_threads.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 chunk_result = fixed_size(&pattern, &chunk,chunk_size);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_parallel_vectorisation.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 chunk_result = rolling_hash_vect(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_parallel_threads.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 chunk_result = rolling_hash(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rabin_karp_parallel_threads.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 chunk_result = rabin_karp(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_vectorisation.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 chunk_result = rolling_hash_vect(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `chunk_result` is never read
[INFO] [stdout]   --> src/rolling_hash_parallel_vectorisation.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 chunk_result = rolling_hash_vect(&pattern, &chunk);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "d901acb4babc4f9cf44290baf882c992ed7fe6fe3dd80c1d86262f7e19c16fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d901acb4babc4f9cf44290baf882c992ed7fe6fe3dd80c1d86262f7e19c16fea", kill_on_drop: false }`
[INFO] [stdout] d901acb4babc4f9cf44290baf882c992ed7fe6fe3dd80c1d86262f7e19c16fea