[INFO] cloning repository https://github.com/daboross/kak-recent-files
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daboross/kak-recent-files" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboross%2Fkak-recent-files", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboross%2Fkak-recent-files'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43e210ec82cc38aa500c0ebdb3f38cb76b7455d3
[INFO] checking daboross/kak-recent-files against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboross%2Fkak-recent-files" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daboross/kak-recent-files on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daboross/kak-recent-files
[INFO] finished tweaking git repo https://github.com/daboross/kak-recent-files
[INFO] tweaked toml for git repo https://github.com/daboross/kak-recent-files written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/daboross/kak-recent-files already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded bstr v0.2.6
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded regex v1.2.0
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded syn v0.15.42
[INFO] [stderr]   Downloaded regex-syntax v0.6.10
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded cc v1.0.38
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded shellwords v1.0.0
[INFO] [stderr]   Downloaded ignore v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16c58579e1e40078d41b056eb8935fde3a3776c078821ded7bc382fa86cd069a
[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" "16c58579e1e40078d41b056eb8935fde3a3776c078821ded7bc382fa86cd069a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c58579e1e40078d41b056eb8935fde3a3776c078821ded7bc382fa86cd069a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c58579e1e40078d41b056eb8935fde3a3776c078821ded7bc382fa86cd069a", kill_on_drop: false }`
[INFO] [stdout] 16c58579e1e40078d41b056eb8935fde3a3776c078821ded7bc382fa86cd069a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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] 901447417a1844a979128ca0739f23170f353671d4b178aa235de0442008a58e
[INFO] running `Command { std: "docker" "start" "-a" "901447417a1844a979128ca0739f23170f353671d4b178aa235de0442008a58e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking log v0.4.7
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking bstr v0.2.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking shellwords v1.0.0
[INFO] [stderr]     Checking ignore v0.4.8
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking kak-recent-files v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.16s
[INFO] running `Command { std: "docker" "inspect" "901447417a1844a979128ca0739f23170f353671d4b178aa235de0442008a58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901447417a1844a979128ca0739f23170f353671d4b178aa235de0442008a58e", kill_on_drop: false }`
[INFO] [stdout] 901447417a1844a979128ca0739f23170f353671d4b178aa235de0442008a58e