[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e989691ead4b77973214ab34cb77226400d64eb
[INFO] testing benmmurphy/rust-1mb-sort against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmmurphy%2Frust-1mb-sort" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benmmurphy/rust-1mb-sort on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d01cdd58ee8df39c79d9a77dec2c115ebf439fa919ed512c93db7c70b7616c19
[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" "d01cdd58ee8df39c79d9a77dec2c115ebf439fa919ed512c93db7c70b7616c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d01cdd58ee8df39c79d9a77dec2c115ebf439fa919ed512c93db7c70b7616c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01cdd58ee8df39c79d9a77dec2c115ebf439fa919ed512c93db7c70b7616c19", kill_on_drop: false }`
[INFO] [stdout] d01cdd58ee8df39c79d9a77dec2c115ebf439fa919ed512c93db7c70b7616c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 003be7914c7f8da00bcfa5474d9e23f931df4252b5e9693ac05f5a031396dd72
[INFO] running `Command { std: "docker" "start" "-a" "003be7914c7f8da00bcfa5474d9e23f931df4252b5e9693ac05f5a031396dd72", 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]     |                      ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                         ^^^^^^^^^ help: remove these parentheses
[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 7.23s
[INFO] running `Command { std: "docker" "inspect" "003be7914c7f8da00bcfa5474d9e23f931df4252b5e9693ac05f5a031396dd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003be7914c7f8da00bcfa5474d9e23f931df4252b5e9693ac05f5a031396dd72", kill_on_drop: false }`
[INFO] [stdout] 003be7914c7f8da00bcfa5474d9e23f931df4252b5e9693ac05f5a031396dd72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ead9075c104e6d9a2e41a41f319c8605d870c7fa678a6a6e2eefec2617965f7f
[INFO] running `Command { std: "docker" "start" "-a" "ead9075c104e6d9a2e41a41f319c8605d870c7fa678a6a6e2eefec2617965f7f", 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]     |                      ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                         ^^^^^^^^^ help: remove these parentheses
[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 1.21s
[INFO] running `Command { std: "docker" "inspect" "ead9075c104e6d9a2e41a41f319c8605d870c7fa678a6a6e2eefec2617965f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead9075c104e6d9a2e41a41f319c8605d870c7fa678a6a6e2eefec2617965f7f", kill_on_drop: false }`
[INFO] [stdout] ead9075c104e6d9a2e41a41f319c8605d870c7fa678a6a6e2eefec2617965f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18b038a54782e96aef9a3b50685a8b8ac914fd1b6180aa7b614805fa003fe0f4
[INFO] running `Command { std: "docker" "start" "-a" "18b038a54782e96aef9a3b50685a8b8ac914fd1b6180aa7b614805fa003fe0f4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stdout] running 6 tests
[INFO] [stderr]    --> src/main.rs:343:22
[INFO] [stdout] test tests::test_circular_bit_buffer_wrap ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::test_simple_encoding ... ok
[INFO] [stderr] 343 | const TOP_BIT: u32 = (1 << 31);
[INFO] [stdout] test tests::test_circular_bit_buffer ... ok
[INFO] [stderr]     |                      ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[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]     |                         ^^^^^^^^^ help: remove these parentheses
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ar_encoder-0414f98a738b597a
[INFO] [stdout] test tests::test_ar_encoder ... ok
[INFO] [stdout] test tests::test_encodes ... ok
[INFO] [stdout] test tests::test_sorter ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18b038a54782e96aef9a3b50685a8b8ac914fd1b6180aa7b614805fa003fe0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b038a54782e96aef9a3b50685a8b8ac914fd1b6180aa7b614805fa003fe0f4", kill_on_drop: false }`
[INFO] [stdout] 18b038a54782e96aef9a3b50685a8b8ac914fd1b6180aa7b614805fa003fe0f4