[INFO] updating cached repository adrien-thebault/r2d2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adrien-thebault/r2d2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adrien-thebault/r2d2" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/adrien-thebault/r2d2"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/adrien-thebault/r2d2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adrien-thebault/r2d2" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/adrien-thebault/r2d2"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/adrien-thebault/r2d2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9698f18618304a6a5c27c3587f1d4d688ced9f1e
[INFO] sha for GitHub repo adrien-thebault/r2d2: 9698f18618304a6a5c27c3587f1d4d688ced9f1e
[INFO] validating manifest of adrien-thebault/r2d2 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 adrien-thebault/r2d2 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 adrien-thebault/r2d2
[INFO] finished frobbing adrien-thebault/r2d2
[INFO] frobbed toml for adrien-thebault/r2d2 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/adrien-thebault/r2d2/Cargo.toml
[INFO] started frobbing adrien-thebault/r2d2
[INFO] finished frobbing adrien-thebault/r2d2
[INFO] frobbed toml for adrien-thebault/r2d2 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/adrien-thebault/r2d2/Cargo.toml
[INFO] crate adrien-thebault/r2d2 already has a lockfile, it will not be regenerated
[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] checking adrien-thebault/r2d2 against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/adrien-thebault/r2d2:/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ea1397b928c49305bdbd36db9690ee81f59ba4bdd9176c28807ffc52d5c24d4
[INFO] running `"docker" "start" "-a" "7ea1397b928c49305bdbd36db9690ee81f59ba4bdd9176c28807ffc52d5c24d4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking input_buffer v0.1.1
[INFO] [stderr]     Checking fern v0.5.6
[INFO] [stderr]     Checking crossbeam-channel v0.2.5
[INFO] [stderr]     Checking tungstenite v0.5.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-signal v0.2.5
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking trust-dns-resolver v0.9.1
[INFO] [stderr]     Checking actix v0.7.4
[INFO] [stderr]     Checking hyper-tls v0.1.4
[INFO] [stderr]     Checking reqwest v0.8.8
[INFO] [stderr]     Checking slack_api v0.20.0
[INFO] [stderr]     Checking slack v0.21.0
[INFO] [stderr]     Checking r2d2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot find type `Message` in this scope
[INFO] [stderr]  --> src/messages/register_recipient.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     M: Message + Send,
[INFO] [stderr]   |        ^^^^^^^ names from parent modules are not accessible without an explicit import
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(proc_macro_derive_resolution_fallback)] on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot find type `Message` in this scope
[INFO] [stderr]  --> src/messages/register_recipient.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     M: Message + Send,
[INFO] [stderr]   |        ^^^^^^^ names from parent modules are not accessible without an explicit import
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(proc_macro_derive_resolution_fallback)] on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "7ea1397b928c49305bdbd36db9690ee81f59ba4bdd9176c28807ffc52d5c24d4"`
[INFO] running `"docker" "rm" "-f" "7ea1397b928c49305bdbd36db9690ee81f59ba4bdd9176c28807ffc52d5c24d4"`
[INFO] [stdout] 7ea1397b928c49305bdbd36db9690ee81f59ba4bdd9176c28807ffc52d5c24d4