[INFO] cloning repository https://github.com/iwillspeak/docket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iwillspeak/docket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwillspeak%2Fdocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwillspeak%2Fdocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 418adfe11003d3c32491e84879cff0faff0c93d6
[INFO] checking iwillspeak/docket against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwillspeak%2Fdocket" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iwillspeak/docket on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iwillspeak/docket
[INFO] finished tweaking git repo https://github.com/iwillspeak/docket
[INFO] tweaked toml for git repo https://github.com/iwillspeak/docket written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/iwillspeak/docket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.9.1
[INFO] [stderr]   Downloaded syn v0.15.32
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded notify v4.0.10
[INFO] [stderr]   Downloaded pulldown-cmark v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 2c5ffced2e192877aeafec19795084604af2392aedcf68c1874f99fd27324917
[INFO] running `Command { std: "docker" "start" "-a" "2c5ffced2e192877aeafec19795084604af2392aedcf68c1874f99fd27324917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5ffced2e192877aeafec19795084604af2392aedcf68c1874f99fd27324917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5ffced2e192877aeafec19795084604af2392aedcf68c1874f99fd27324917", kill_on_drop: false }`
[INFO] [stdout] 2c5ffced2e192877aeafec19795084604af2392aedcf68c1874f99fd27324917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 059fc805b24a650da6f6afc0336defc4b9f9772c903afea38678e057cf268d81
[INFO] running `Command { std: "docker" "start" "-a" "059fc805b24a650da6f6afc0336defc4b9f9772c903afea38678e057cf268d81", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking matrixmultiply v0.1.15
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking strsim v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking docket v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/main.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         .map({ |p| PathBuf::from(p) })
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/main.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         .map({ |p| PathBuf::from(p) })
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "059fc805b24a650da6f6afc0336defc4b9f9772c903afea38678e057cf268d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059fc805b24a650da6f6afc0336defc4b9f9772c903afea38678e057cf268d81", kill_on_drop: false }`
[INFO] [stdout] 059fc805b24a650da6f6afc0336defc4b9f9772c903afea38678e057cf268d81