[INFO] cloning repository https://github.com/ryan0n/irccloud-parse-logs-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryan0n/irccloud-parse-logs-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryan0n%2Firccloud-parse-logs-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryan0n%2Firccloud-parse-logs-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca03605b1edd3d87e0501765bd5020967a9c7060
[INFO] checking ryan0n/irccloud-parse-logs-rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryan0n%2Firccloud-parse-logs-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryan0n/irccloud-parse-logs-rust 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/ryan0n/irccloud-parse-logs-rust
[INFO] finished tweaking git repo https://github.com/ryan0n/irccloud-parse-logs-rust
[INFO] tweaked toml for git repo https://github.com/ryan0n/irccloud-parse-logs-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ryan0n/irccloud-parse-logs-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 8f232253c981da5cd703252df16a489e871b66b62753ac4f16c26a6e26437beb
[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" "8f232253c981da5cd703252df16a489e871b66b62753ac4f16c26a6e26437beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f232253c981da5cd703252df16a489e871b66b62753ac4f16c26a6e26437beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f232253c981da5cd703252df16a489e871b66b62753ac4f16c26a6e26437beb", kill_on_drop: false }`
[INFO] [stdout] 8f232253c981da5cd703252df16a489e871b66b62753ac4f16c26a6e26437beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 20e0b1c561a01ab8b0771bf127c6c863d39527d52f97f42e3cad1fe373630f25
[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" "20e0b1c561a01ab8b0771bf127c6c863d39527d52f97f42e3cad1fe373630f25", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]     Checking miniz_oxide v0.1.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]     Checking msdos_time v0.1.5
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking bzip2 v0.3.2
[INFO] [stderr]     Checking zip v0.2.8
[INFO] [stderr]     Checking irccloud-parse-logs-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |                         let mut file_name = String::from(&*file.name());
[INFO] [stdout]    |                             ----^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |                         let mut split_file_name = file_name.split("/");
[INFO] [stdout]    |                             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |                         let mut file_name = String::from(&*file.name());
[INFO] [stdout]    |                             ----^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |                         let mut split_file_name = file_name.split("/");
[INFO] [stdout]    |                             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized] target(s) in 19.79s
[INFO] running `Command { std: "docker" "inspect" "20e0b1c561a01ab8b0771bf127c6c863d39527d52f97f42e3cad1fe373630f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e0b1c561a01ab8b0771bf127c6c863d39527d52f97f42e3cad1fe373630f25", kill_on_drop: false }`
[INFO] [stdout] 20e0b1c561a01ab8b0771bf127c6c863d39527d52f97f42e3cad1fe373630f25