[INFO] fetching crate unicode-segmentation 1.7.1...
[INFO] checking unicode-segmentation-1.7.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate unicode-segmentation 1.7.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate unicode-segmentation 1.7.1 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 unicode-segmentation 1.7.1
[INFO] finished tweaking crates.io crate unicode-segmentation 1.7.1
[INFO] tweaked toml for crates.io crate unicode-segmentation 1.7.1 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[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" "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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f18145d28e5fe0533ccedafb0e0b46304ddcf4fdf405a015a8e97d88da8e23b
[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" "3f18145d28e5fe0533ccedafb0e0b46304ddcf4fdf405a015a8e97d88da8e23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f18145d28e5fe0533ccedafb0e0b46304ddcf4fdf405a015a8e97d88da8e23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f18145d28e5fe0533ccedafb0e0b46304ddcf4fdf405a015a8e97d88da8e23b", kill_on_drop: false }`
[INFO] [stdout] 3f18145d28e5fe0533ccedafb0e0b46304ddcf4fdf405a015a8e97d88da8e23b
[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" "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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb31151e2edaa442854d72d836665699f7c27b259cf2d21d96bc77151f5f58f
[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" "bcb31151e2edaa442854d72d836665699f7c27b259cf2d21d96bc77151f5f58f", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tables.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             'a' ... 'z' | 'A' ... 'Z' => true,
[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/tables.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |             'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stdout]    |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tables.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             '0' ... '9' => true,
[INFO] [stdout]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]    --> src/tables.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         use core;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]     --> src/tables.rs:1006:13
[INFO] [stdout]      |
[INFO] [stdout] 1006 |         use core;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]     --> src/tables.rs:1482:13
[INFO] [stdout]      |
[INFO] [stdout] 1482 |         use core;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]     --> src/tables.rs:1586:13
[INFO] [stdout]      |
[INFO] [stdout] 1586 |         use core;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tables.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             'a' ... 'z' | 'A' ... 'Z' => true,
[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/tables.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |             'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stdout]    |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tables.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             '0' ... '9' => true,
[INFO] [stdout]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]    --> src/tables.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         use core;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]     --> src/tables.rs:1006:13
[INFO] [stdout]      |
[INFO] [stdout] 1006 |         use core;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]     --> src/tables.rs:1482:13
[INFO] [stdout]      |
[INFO] [stdout] 1482 |         use core;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]     --> src/tables.rs:1586:13
[INFO] [stdout]      |
[INFO] [stdout] 1586 |         use core;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "bcb31151e2edaa442854d72d836665699f7c27b259cf2d21d96bc77151f5f58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb31151e2edaa442854d72d836665699f7c27b259cf2d21d96bc77151f5f58f", kill_on_drop: false }`
[INFO] [stdout] bcb31151e2edaa442854d72d836665699f7c27b259cf2d21d96bc77151f5f58f