[INFO] fetching crate unicode-cli 0.1.0...
[INFO] checking unicode-cli-0.1.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate unicode-cli 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unicode-cli 0.1.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicode-cli 0.1.0
[INFO] finished tweaking crates.io crate unicode-cli 0.1.0
[INFO] tweaked toml for crates.io crate unicode-cli 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-category v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-case v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-hangul v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-normal v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-name v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-name_aliases v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-block v0.9.0
[INFO] [stderr]   Downloaded unicode_names2 v0.2.2
[INFO] [stderr]   Downloaded unic-ucd v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-ident v0.9.0
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", 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] 2a7e1e8539e73926353108cd2e05ad35c3e5eb27f9df8bae93476a419d85f9bf
[INFO] running `Command { std: "docker" "start" "-a" "2a7e1e8539e73926353108cd2e05ad35c3e5eb27f9df8bae93476a419d85f9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a7e1e8539e73926353108cd2e05ad35c3e5eb27f9df8bae93476a419d85f9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7e1e8539e73926353108cd2e05ad35c3e5eb27f9df8bae93476a419d85f9bf", kill_on_drop: false }`
[INFO] [stdout] 2a7e1e8539e73926353108cd2e05ad35c3e5eb27f9df8bae93476a419d85f9bf
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--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] 7f504af6de179bcd5326f3abdce901d9b7ef4f220ed32db075380dea718df032
[INFO] running `Command { std: "docker" "start" "-a" "7f504af6de179bcd5326f3abdce901d9b7ef4f220ed32db075380dea718df032", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode_names2 v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking unic-ucd-common v0.9.0
[INFO] [stderr]     Checking unic-ucd-block v0.9.0
[INFO] [stderr]     Checking unic-ucd-case v0.9.0
[INFO] [stderr]     Checking unic-ucd-name_aliases v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking unic-ucd-name v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking unic-ucd v0.9.0
[INFO] [stderr]     Checking unicode-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `is_unicode`
[INFO] [stdout]    --> src/lib.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn is_unicode(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_unicode`
[INFO] [stdout]    --> src/lib.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn is_unicode(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.67s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f504af6de179bcd5326f3abdce901d9b7ef4f220ed32db075380dea718df032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f504af6de179bcd5326f3abdce901d9b7ef4f220ed32db075380dea718df032", kill_on_drop: false }`
[INFO] [stdout] 7f504af6de179bcd5326f3abdce901d9b7ef4f220ed32db075380dea718df032