[INFO] crate msg-transmitter 0.3.2 is already in cache
[INFO] extracting crate msg-transmitter 0.3.2 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/msg-transmitter/0.3.2
[INFO] extracting crate msg-transmitter 0.3.2 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/msg-transmitter/0.3.2
[INFO] validating manifest of msg-transmitter-0.3.2 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of msg-transmitter-0.3.2 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing msg-transmitter-0.3.2
[INFO] removed 0 missing examples
[INFO] finished frobbing msg-transmitter-0.3.2
[INFO] frobbed toml for msg-transmitter-0.3.2 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/msg-transmitter/0.3.2/Cargo.toml
[INFO] started frobbing msg-transmitter-0.3.2
[INFO] removed 0 missing examples
[INFO] finished frobbing msg-transmitter-0.3.2
[INFO] frobbed toml for msg-transmitter-0.3.2 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/msg-transmitter/0.3.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking msg-transmitter-0.3.2 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/msg-transmitter/0.3.2:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 88b25efa7f764765baf560ef15e4a29ad4ec674199beeff3f02ee6a359e77d0e
[INFO] running `"docker" "start" "-a" "88b25efa7f764765baf560ef15e4a29ad4ec674199beeff3f02ee6a359e77d0e"`
[INFO] [stderr]     Checking msg-transmitter v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `futures::sync::mpsc`
[INFO] [stderr]   --> examples/master_and_slave.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     use futures::sync::mpsc;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> examples/master_and_slave.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |     use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                     ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> examples/master_and_slave.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let now = time::Instant::now();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_now`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `"docker" "inspect" "88b25efa7f764765baf560ef15e4a29ad4ec674199beeff3f02ee6a359e77d0e"`
[INFO] running `"docker" "rm" "-f" "88b25efa7f764765baf560ef15e4a29ad4ec674199beeff3f02ee6a359e77d0e"`
[INFO] [stdout] 88b25efa7f764765baf560ef15e4a29ad4ec674199beeff3f02ee6a359e77d0e