[INFO] fetching crate skim 0.9.3...
[INFO] checking skim-0.9.3 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate skim 0.9.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate skim 0.9.3 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skim 0.9.3
[INFO] finished tweaking crates.io crate skim 0.9.3
[INFO] tweaked toml for crates.io crate skim 0.9.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate skim 0.9.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9941553dea7dac6bb3fe80b429aa6cb66a7ac12e75b22e6be4150e209b2be815
[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" "9941553dea7dac6bb3fe80b429aa6cb66a7ac12e75b22e6be4150e209b2be815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9941553dea7dac6bb3fe80b429aa6cb66a7ac12e75b22e6be4150e209b2be815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9941553dea7dac6bb3fe80b429aa6cb66a7ac12e75b22e6be4150e209b2be815", kill_on_drop: false }`
[INFO] [stdout] 9941553dea7dac6bb3fe80b429aa6cb66a7ac12e75b22e6be4150e209b2be815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226935b065f7dc62e5a8d8a49c6635e6403aa96717838d00a10b80adc1bb89d7
[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" "226935b065f7dc62e5a8d8a49c6635e6403aa96717838d00a10b80adc1bb89d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking beef v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking defer-drop v1.0.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking tuikit v0.4.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking skim v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "226935b065f7dc62e5a8d8a49c6635e6403aa96717838d00a10b80adc1bb89d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226935b065f7dc62e5a8d8a49c6635e6403aa96717838d00a10b80adc1bb89d7", kill_on_drop: false }`
[INFO] [stdout] 226935b065f7dc62e5a8d8a49c6635e6403aa96717838d00a10b80adc1bb89d7