[INFO] crate log-derive 0.2.4 is already in cache
[INFO] extracting crate log-derive 0.2.4 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/log-derive/0.2.4
[INFO] extracting crate log-derive 0.2.4 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/log-derive/0.2.4
[INFO] validating manifest of log-derive-0.2.4 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of log-derive-0.2.4 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing log-derive-0.2.4
[INFO] finished frobbing log-derive-0.2.4
[INFO] frobbed toml for log-derive-0.2.4 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/log-derive/0.2.4/Cargo.toml
[INFO] started frobbing log-derive-0.2.4
[INFO] finished frobbing log-derive-0.2.4
[INFO] frobbed toml for log-derive-0.2.4 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/log-derive/0.2.4/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking log-derive-0.2.4 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-1/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/log-derive/0.2.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4efeb59e4bc57d6c206ca1c82a3a1dbc808a40e295ae4bf1b90819d83f18f37e
[INFO] running `"docker" "start" "-a" "4efeb59e4bc57d6c206ca1c82a3a1dbc808a40e295ae4bf1b90819d83f18f37e"`
[INFO] [stderr]    Compiling log-derive v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> tests/first.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn yoyoy(&self, a: String, b: u8, c: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |                         ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> tests/first.rs:15:36
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn yoyoy(&self, a: String, b: u8, c: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |                                    ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> tests/first.rs:15:43
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn yoyoy(&self, a: String, b: u8, c: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |                                           ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `"docker" "inspect" "4efeb59e4bc57d6c206ca1c82a3a1dbc808a40e295ae4bf1b90819d83f18f37e"`
[INFO] running `"docker" "rm" "-f" "4efeb59e4bc57d6c206ca1c82a3a1dbc808a40e295ae4bf1b90819d83f18f37e"`
[INFO] [stdout] 4efeb59e4bc57d6c206ca1c82a3a1dbc808a40e295ae4bf1b90819d83f18f37e