[INFO] crate crcp 0.3.0 is already in cache
[INFO] testing crcp-0.3.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate crcp 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate crcp 0.3.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crcp 0.3.0
[INFO] finished tweaking crates.io crate crcp 0.3.0
[INFO] tweaked toml for crates.io crate crcp 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate crcp 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e9ee86873bdc0a60942776120b148d138e61ee5cfc23882e751bb1efcb50326
[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" "7e9ee86873bdc0a60942776120b148d138e61ee5cfc23882e751bb1efcb50326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e9ee86873bdc0a60942776120b148d138e61ee5cfc23882e751bb1efcb50326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9ee86873bdc0a60942776120b148d138e61ee5cfc23882e751bb1efcb50326", kill_on_drop: false }`
[INFO] [stdout] 7e9ee86873bdc0a60942776120b148d138e61ee5cfc23882e751bb1efcb50326
[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" "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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c497807a88275c550d20605902ae425f15ac6288e1c130e690d9c34741c1c774
[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" "c497807a88275c550d20605902ae425f15ac6288e1c130e690d9c34741c1c774", kill_on_drop: false }`
[INFO] [stderr]    Compiling crcp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d2k`
[INFO] [stdout]    --> src/main.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |             let d2k = numcodel;
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_d2k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stdout]    --> src/main.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 dualdistance_distribution_calculated = true;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:145:7
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut res = 0u8;
[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: constant is never used: `START_POL`
[INFO] [stdout]   --> src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const START_POL: u64 = 0x200001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_POL`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const END_POL: u64   = 0x3fffff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_16` should have a snake case name
[INFO] [stdout]    --> src/main.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let mut N_16 = (position / 32) as u32;
[INFO] [stdout]     |                     ^^^^ help: convert the identifier to snake case: `n_16`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/main.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 let G = grid_base.as_mut_slice();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DualDistance` should have a snake case name
[INFO] [stdout]    --> src/main.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 let mut DualDistance = distribution_map::DistributionMap{frequency: HashMap::new(), weights: HashMap::new()};
[INFO] [stdout]     |                         ^^^^^^^^^^^^ help: convert the identifier to snake case: `dual_distance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "c497807a88275c550d20605902ae425f15ac6288e1c130e690d9c34741c1c774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c497807a88275c550d20605902ae425f15ac6288e1c130e690d9c34741c1c774", kill_on_drop: false }`
[INFO] [stdout] c497807a88275c550d20605902ae425f15ac6288e1c130e690d9c34741c1c774
[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" "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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca1fd04ff0c7eeda01e01985b33a6275e16e1ecc9c6f8964d73a82d4d50567d7
[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" "ca1fd04ff0c7eeda01e01985b33a6275e16e1ecc9c6f8964d73a82d4d50567d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crcp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d2k`
[INFO] [stdout]    --> src/main.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |             let d2k = numcodel;
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_d2k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stdout]    --> src/main.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 dualdistance_distribution_calculated = true;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:145:7
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut res = 0u8;
[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: constant is never used: `START_POL`
[INFO] [stdout]   --> src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const START_POL: u64 = 0x200001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_POL`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const END_POL: u64   = 0x3fffff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_16` should have a snake case name
[INFO] [stdout]    --> src/main.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let mut N_16 = (position / 32) as u32;
[INFO] [stdout]     |                     ^^^^ help: convert the identifier to snake case: `n_16`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/main.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 let G = grid_base.as_mut_slice();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DualDistance` should have a snake case name
[INFO] [stdout]    --> src/main.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 let mut DualDistance = distribution_map::DistributionMap{frequency: HashMap::new(), weights: HashMap::new()};
[INFO] [stdout]     |                         ^^^^^^^^^^^^ help: convert the identifier to snake case: `dual_distance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "ca1fd04ff0c7eeda01e01985b33a6275e16e1ecc9c6f8964d73a82d4d50567d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1fd04ff0c7eeda01e01985b33a6275e16e1ecc9c6f8964d73a82d4d50567d7", kill_on_drop: false }`
[INFO] [stdout] ca1fd04ff0c7eeda01e01985b33a6275e16e1ecc9c6f8964d73a82d4d50567d7
[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" "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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fff3ce66d5a668c57db0b07a77b2f86b012b659d4ee78849b6dd788bb4cfb572
[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" "fff3ce66d5a668c57db0b07a77b2f86b012b659d4ee78849b6dd788bb4cfb572", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `d2k`
[INFO] [stderr]    --> src/main.rs:154:8
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let d2k = numcodel;
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_d2k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stderr]    --> src/main.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 dualdistance_distribution_calculated = true;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:145:7
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let mut res = 0u8;
[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: constant is never used: `START_POL`
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const START_POL: u64 = 0x200001;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `END_POL`
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const END_POL: u64   = 0x3fffff;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_16` should have a snake case name
[INFO] [stderr]    --> src/main.rs:162:12
[INFO] [stderr]     |
[INFO] [stderr] 162 |             let mut N_16 = (position / 32) as u32;
[INFO] [stderr]     |                     ^^^^ help: convert the identifier to snake case: `n_16`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/main.rs:182:12
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 let G = grid_base.as_mut_slice();
[INFO] [stderr]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DualDistance` should have a snake case name
[INFO] [stderr]    --> src/main.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 let mut DualDistance = distribution_map::DistributionMap{frequency: HashMap::new(), weights: HashMap::new()};
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: convert the identifier to snake case: `dual_distance`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crcp-38d38320ffdc87dc
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_order_13 ... ok
[INFO] [stdout] test tests::test_weight ... ok
[INFO] [stdout] test tests::test_order_16_2 ... ok
[INFO] [stdout] test tests::test_order_4 ... ok
[INFO] [stdout] test tests::test_order_16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fff3ce66d5a668c57db0b07a77b2f86b012b659d4ee78849b6dd788bb4cfb572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff3ce66d5a668c57db0b07a77b2f86b012b659d4ee78849b6dd788bb4cfb572", kill_on_drop: false }`
[INFO] [stdout] fff3ce66d5a668c57db0b07a77b2f86b012b659d4ee78849b6dd788bb4cfb572