[INFO] cloning repository https://github.com/edwinvdgraaf/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edwinvdgraaf/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwinvdgraaf%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwinvdgraaf%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae1d759e77a269a43af6a2a6aeb4dc9a80e33738
[INFO] checking edwinvdgraaf/advent-of-code-2018 against try#a0cd57eba5d417638d3351ba13fc414ad1a24bec for pr-134688
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwinvdgraaf%2Fadvent-of-code-2018" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwinvdgraaf/advent-of-code-2018 on toolchain a0cd57eba5d417638d3351ba13fc414ad1a24bec
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edwinvdgraaf/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/edwinvdgraaf/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/edwinvdgraaf/advent-of-code-2018 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/edwinvdgraaf/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 974780b5a2b595f4722cc42b2e8ee0f25fcf58b131e6d8e8a5c3b2d55af68b79
[INFO] running `Command { std: "docker" "start" "-a" "974780b5a2b595f4722cc42b2e8ee0f25fcf58b131e6d8e8a5c3b2d55af68b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974780b5a2b595f4722cc42b2e8ee0f25fcf58b131e6d8e8a5c3b2d55af68b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974780b5a2b595f4722cc42b2e8ee0f25fcf58b131e6d8e8a5c3b2d55af68b79", kill_on_drop: false }`
[INFO] [stdout] 974780b5a2b595f4722cc42b2e8ee0f25fcf58b131e6d8e8a5c3b2d55af68b79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d336331f2e6b7b1d3081b57102353dee430122595139aa4f5ddf3ed7659e96f6
[INFO] running `Command { std: "docker" "start" "-a" "d336331f2e6b7b1d3081b57102353dee430122595139aa4f5ddf3ed7659e96f6", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day_one/mod.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout]    |                                    ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 - fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout] 11 + fn read_file() ->  std::io::Result<String> {   
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day_two/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout]    |                                    ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 - fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout] 10 + fn read_file() ->  std::io::Result<String> {   
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day_one/mod.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout]    |                                    ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 - fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout] 11 + fn read_file() ->  std::io::Result<String> {   
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day_two/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout]    |                                    ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 - fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout] 10 + fn read_file() ->  std::io::Result<String> {   
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "d336331f2e6b7b1d3081b57102353dee430122595139aa4f5ddf3ed7659e96f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d336331f2e6b7b1d3081b57102353dee430122595139aa4f5ddf3ed7659e96f6", kill_on_drop: false }`
[INFO] [stdout] d336331f2e6b7b1d3081b57102353dee430122595139aa4f5ddf3ed7659e96f6