[INFO] crate may 0.3.5 is already in cache
[INFO] extracting crate may 0.3.5 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/may/0.3.5
[INFO] extracting crate may 0.3.5 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/may/0.3.5
[INFO] validating manifest of may-0.3.5 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of may-0.3.5 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing may-0.3.5
[INFO] finished frobbing may-0.3.5
[INFO] frobbed toml for may-0.3.5 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/may/0.3.5/Cargo.toml
[INFO] started frobbing may-0.3.5
[INFO] finished frobbing may-0.3.5
[INFO] frobbed toml for may-0.3.5 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/may/0.3.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking may-0.3.5 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-1/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/may/0.3.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cc7a1125da4ec81a737979ff83806bf09770fae1d60226ffc9e11fbd2a83a067
[INFO] running `"docker" "start" "-a" "cc7a1125da4ec81a737979ff83806bf09770fae1d60226ffc9e11fbd2a83a067"`
[INFO] [stderr]    Compiling may_queue v0.1.5
[INFO] [stderr]    Compiling generator v0.6.13
[INFO] [stderr]    Compiling may v0.3.5 (/opt/crater/workdir)
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr] warning: the item `RawFd` is imported redundantly
[INFO] [stderr]    --> src/io/sys/unix/co_io.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |     use super::*;
[INFO] [stderr]     |         -------- the item `RawFd` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 226 |         use std::os::unix::io::RawFd;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.33s
[INFO] running `"docker" "inspect" "cc7a1125da4ec81a737979ff83806bf09770fae1d60226ffc9e11fbd2a83a067"`
[INFO] running `"docker" "rm" "-f" "cc7a1125da4ec81a737979ff83806bf09770fae1d60226ffc9e11fbd2a83a067"`
[INFO] [stdout] cc7a1125da4ec81a737979ff83806bf09770fae1d60226ffc9e11fbd2a83a067