[INFO] fetching crate dark 0.1.0...
[INFO] checking dark-0.1.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate dark 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dark 0.1.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dark 0.1.0
[INFO] finished tweaking crates.io crate dark 0.1.0
[INFO] tweaked toml for crates.io crate dark 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1407a32eeef1ab7d4edd8200579fb873283d3eab7a1538f7f3c74ef5d6cd5c78
[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" "1407a32eeef1ab7d4edd8200579fb873283d3eab7a1538f7f3c74ef5d6cd5c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1407a32eeef1ab7d4edd8200579fb873283d3eab7a1538f7f3c74ef5d6cd5c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1407a32eeef1ab7d4edd8200579fb873283d3eab7a1538f7f3c74ef5d6cd5c78", kill_on_drop: false }`
[INFO] [stdout] 1407a32eeef1ab7d4edd8200579fb873283d3eab7a1538f7f3c74ef5d6cd5c78
[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=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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b06f47b51d72589a228ef92ea6510cee2853f7ebbe5667be9027ad172c6ea43
[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" "8b06f47b51d72589a228ef92ea6510cee2853f7ebbe5667be9027ad172c6ea43", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking compress v0.1.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking dark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::StdRng`
[INFO] [stdout]   --> src/model/mod.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use rand::{Rng, StdRng};
[INFO] [stdout]    |                     ^^^^^^ no `StdRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `log::LogLevel`
[INFO] [stdout]   --> src/saca.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log::LogLevel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^ no `LogLevel` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/model/exp.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             0...2   => du << FIXED_BASE,
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/model/exp.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |             3...4   => (3 << FIXED_BASE) + (du&1)*(FIXED_BASE>>1),
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/model/exp.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |             5...7   => (4 << FIXED_BASE) + ((du-5)%3)*(FIXED_BASE/3),
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/model/exp.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |             8...12  => (5 << FIXED_BASE) + (du&3)*(FIXED_BASE>>2),
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `log::LogLevel`
[INFO] [stdout]   --> src/saca.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log::LogLevel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^ no `LogLevel` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/model/exp.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             0...2   => du << FIXED_BASE,
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/model/exp.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |             3...4   => (3 << FIXED_BASE) + (du&1)*(FIXED_BASE>>1),
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/model/exp.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |             5...7   => (4 << FIXED_BASE) + ((du-5)%3)*(FIXED_BASE/3),
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/model/exp.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |             8...12  => (5 << FIXED_BASE) + (du&3)*(FIXED_BASE>>2),
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for unit type `()` in the current scope
[INFO] [stdout]   --> src/main.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |     env_logger::init().unwrap();
[INFO] [stdout]    |                        ^^^^^^ method not found in `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for unit type `()` in the current scope
[INFO] [stdout]   --> src/main.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |     env_logger::init().unwrap();
[INFO] [stdout]    |                        ^^^^^^ method not found in `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::DistanceModel`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use model::DistanceModel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/model/mod.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use rand::{Rng, StdRng};
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dark`
[INFO] [stdout] warning: unused import: `model::DistanceModel`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use model::DistanceModel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8b06f47b51d72589a228ef92ea6510cee2853f7ebbe5667be9027ad172c6ea43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b06f47b51d72589a228ef92ea6510cee2853f7ebbe5667be9027ad172c6ea43", kill_on_drop: false }`
[INFO] [stdout] 8b06f47b51d72589a228ef92ea6510cee2853f7ebbe5667be9027ad172c6ea43