[INFO] cloning repository https://github.com/benmmurphy/rust-1mb-sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benmmurphy/rust-1mb-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmmurphy%2Frust-1mb-sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmmurphy%2Frust-1mb-sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e989691ead4b77973214ab34cb77226400d64eb
[INFO] testing benmmurphy/rust-1mb-sort against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmmurphy%2Frust-1mb-sort" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benmmurphy/rust-1mb-sort on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benmmurphy/rust-1mb-sort
[INFO] finished tweaking git repo https://github.com/benmmurphy/rust-1mb-sort
[INFO] tweaked toml for git repo https://github.com/benmmurphy/rust-1mb-sort written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/benmmurphy/rust-1mb-sort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0702669294e6f33373b009a7c9c12dae83aab3ebcb8299c949dc529f7fb6f1b8
[INFO] running `Command { std: "docker" "start" "-a" "0702669294e6f33373b009a7c9c12dae83aab3ebcb8299c949dc529f7fb6f1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0702669294e6f33373b009a7c9c12dae83aab3ebcb8299c949dc529f7fb6f1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0702669294e6f33373b009a7c9c12dae83aab3ebcb8299c949dc529f7fb6f1b8", kill_on_drop: false }`
[INFO] [stdout] 0702669294e6f33373b009a7c9c12dae83aab3ebcb8299c949dc529f7fb6f1b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c7798d04e63691ab238237f46dce19031dc857b53221ce201059715ac041058
[INFO] running `Command { std: "docker" "start" "-a" "8c7798d04e63691ab238237f46dce19031dc857b53221ce201059715ac041058", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ar_encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:343:22
[INFO] [stdout]     |
[INFO] [stdout] 343 | const TOP_BIT: u32 = (1 << 31);
[INFO] [stdout]     |                      ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 343 - const TOP_BIT: u32 = (1 << 31);
[INFO] [stdout] 343 + const TOP_BIT: u32 = 1 << 31;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:344:25
[INFO] [stdout]     |
[INFO] [stdout] 344 | const SECOND_BIT: u32 = (1 << 30);
[INFO] [stdout]     |                         ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 344 - const SECOND_BIT: u32 = (1 << 30);
[INFO] [stdout] 344 + const SECOND_BIT: u32 = 1 << 30;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bits`
[INFO] [stdout]    --> src/main.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn get_bits(self: &Self) -> String {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "8c7798d04e63691ab238237f46dce19031dc857b53221ce201059715ac041058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7798d04e63691ab238237f46dce19031dc857b53221ce201059715ac041058", kill_on_drop: false }`
[INFO] [stdout] 8c7798d04e63691ab238237f46dce19031dc857b53221ce201059715ac041058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4290dc2109b2fee826056a41569615de110586e1f1254d487045142fa77585cf
[INFO] running `Command { std: "docker" "start" "-a" "4290dc2109b2fee826056a41569615de110586e1f1254d487045142fa77585cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ar_encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:343:22
[INFO] [stdout]     |
[INFO] [stdout] 343 | const TOP_BIT: u32 = (1 << 31);
[INFO] [stdout]     |                      ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 343 - const TOP_BIT: u32 = (1 << 31);
[INFO] [stdout] 343 + const TOP_BIT: u32 = 1 << 31;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:344:25
[INFO] [stdout]     |
[INFO] [stdout] 344 | const SECOND_BIT: u32 = (1 << 30);
[INFO] [stdout]     |                         ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 344 - const SECOND_BIT: u32 = (1 << 30);
[INFO] [stdout] 344 + const SECOND_BIT: u32 = 1 << 30;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bits`
[INFO] [stdout]    --> src/main.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn get_bits(self: &Self) -> String {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "4290dc2109b2fee826056a41569615de110586e1f1254d487045142fa77585cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4290dc2109b2fee826056a41569615de110586e1f1254d487045142fa77585cf", kill_on_drop: false }`
[INFO] [stdout] 4290dc2109b2fee826056a41569615de110586e1f1254d487045142fa77585cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8370ffbb602fd3d431898dcf647a76b4b20b4e707937ceea4001106d37dd7079
[INFO] running `Command { std: "docker" "start" "-a" "8370ffbb602fd3d431898dcf647a76b4b20b4e707937ceea4001106d37dd7079", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:343:22
[INFO] [stderr]     |
[INFO] [stderr] 343 | const TOP_BIT: u32 = (1 << 31);
[INFO] [stderr]     |                      ^       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 343 - const TOP_BIT: u32 = (1 << 31);
[INFO] [stderr] 343 + const TOP_BIT: u32 = 1 << 31;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:344:25
[INFO] [stderr]     |
[INFO] [stderr] 344 | const SECOND_BIT: u32 = (1 << 30);
[INFO] [stderr]     |                         ^       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 344 - const SECOND_BIT: u32 = (1 << 30);
[INFO] [stderr] 344 + const SECOND_BIT: u32 = 1 << 30;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bits`
[INFO] [stderr]    --> src/main.rs:157:8
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn get_bits(self: &Self) -> String {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ar_encoder` (bin "ar_encoder" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ar_encoder-35a99f72a70b1ca1)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_circular_bit_buffer_wrap ... ok
[INFO] [stdout] test tests::test_circular_bit_buffer ... ok
[INFO] [stdout] test tests::test_simple_encoding ... ok
[INFO] [stdout] test tests::test_ar_encoder ... ok
[INFO] [stdout] test tests::test_encodes ... ok
[INFO] [stdout] test tests::test_sorter has been running for over 60 seconds
[INFO] [stdout] test tests::test_sorter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 184.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8370ffbb602fd3d431898dcf647a76b4b20b4e707937ceea4001106d37dd7079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8370ffbb602fd3d431898dcf647a76b4b20b4e707937ceea4001106d37dd7079", kill_on_drop: false }`
[INFO] [stdout] 8370ffbb602fd3d431898dcf647a76b4b20b4e707937ceea4001106d37dd7079