[INFO] fetching crate discrete_transforms 0.1.3...
[INFO] testing discrete_transforms-0.1.3 against 1.47.0 for beta-1.48-1
[INFO] extracting crate discrete_transforms 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate discrete_transforms 0.1.3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discrete_transforms 0.1.3
[INFO] finished tweaking crates.io crate discrete_transforms 0.1.3
[INFO] tweaked toml for crates.io crate discrete_transforms 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 720bb69390fde45c6f0d5b1fc0b8f417fce33aa3049de45bf7a251b8a1e0f3e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "720bb69390fde45c6f0d5b1fc0b8f417fce33aa3049de45bf7a251b8a1e0f3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "720bb69390fde45c6f0d5b1fc0b8f417fce33aa3049de45bf7a251b8a1e0f3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720bb69390fde45c6f0d5b1fc0b8f417fce33aa3049de45bf7a251b8a1e0f3e0", kill_on_drop: false }`
[INFO] [stdout] 720bb69390fde45c6f0d5b1fc0b8f417fce33aa3049de45bf7a251b8a1e0f3e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 777b23669629b45ff1e9d5e586cffd1c4777c902b19da3d00e16bcceb1bf81a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "777b23669629b45ff1e9d5e586cffd1c4777c902b19da3d00e16bcceb1bf81a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling discrete_transforms v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/haar_1d.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut temp: Vec<f64> = output.iter().take(length).cloned().collect();
[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/haar_1d.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stdout]    |                      ----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/haar_1d.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "777b23669629b45ff1e9d5e586cffd1c4777c902b19da3d00e16bcceb1bf81a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777b23669629b45ff1e9d5e586cffd1c4777c902b19da3d00e16bcceb1bf81a9", kill_on_drop: false }`
[INFO] [stdout] 777b23669629b45ff1e9d5e586cffd1c4777c902b19da3d00e16bcceb1bf81a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5498d44f46eff628bbb2e5415ee51e155e8052548d562bdd12e17d260bf927b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5498d44f46eff628bbb2e5415ee51e155e8052548d562bdd12e17d260bf927b", kill_on_drop: false }`
[INFO] [stderr]    Compiling discrete_transforms v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/haar_1d.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut temp: Vec<f64> = output.iter().take(length).cloned().collect();
[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/haar_1d.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stdout]    |                      ----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/haar_1d.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[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/haar_1d.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut temp: Vec<f64> = output.iter().take(length).cloned().collect();
[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/haar_1d.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stdout]    |                      ----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/haar_1d.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "a5498d44f46eff628bbb2e5415ee51e155e8052548d562bdd12e17d260bf927b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5498d44f46eff628bbb2e5415ee51e155e8052548d562bdd12e17d260bf927b", kill_on_drop: false }`
[INFO] [stdout] a5498d44f46eff628bbb2e5415ee51e155e8052548d562bdd12e17d260bf927b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5eb72d1773044e2c37b675ff0eb77e73feb8e5862305689c62486aec5a8b1334
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5eb72d1773044e2c37b675ff0eb77e73feb8e5862305689c62486aec5a8b1334", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/haar_1d.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut temp: Vec<f64> = output.iter().take(length).cloned().collect();
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/haar_1d.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stderr]    |                      ----^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/haar_1d.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stderr]    |                             ----^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/haar_1d.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut temp: Vec<f64> = output.iter().take(length).cloned().collect();
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/haar_1d.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stderr]    |                      ----^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/haar_1d.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let (mut s, mut d) =  temp.split_at(length / 2);
[INFO] [stderr]    |                             ----^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/discrete_transforms-28e3d5e049a139a0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dct_1d_tests-44fc81b4ce85a376
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dct_2d_tests-45aae20cf2041625
[INFO] [stdout] test dct_1d_inverse_test ... ok
[INFO] [stdout] test dct_1d_forward_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test dct_2d_forward_test ... ok
[INFO] [stdout] test dct_2d_inverse_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/haar_1d_tests-4250a60c15dbe69b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test haar_1d_forward_test ... ok
[INFO] [stdout] test haar_1d_inverse_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/haar_2d_tests-77584c164a1574ba
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test haar_2d_inverse_test ... ok
[INFO] [stdout] test haar_2d_forward_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests discrete_transforms
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5eb72d1773044e2c37b675ff0eb77e73feb8e5862305689c62486aec5a8b1334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb72d1773044e2c37b675ff0eb77e73feb8e5862305689c62486aec5a8b1334", kill_on_drop: false }`
[INFO] [stdout] 5eb72d1773044e2c37b675ff0eb77e73feb8e5862305689c62486aec5a8b1334
