[INFO] updating cached repository iiogmgo/do-meet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iiogmgo/do-meet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iiogmgo/do-meet" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/iiogmgo/do-meet"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/iiogmgo/do-meet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iiogmgo/do-meet" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/iiogmgo/do-meet"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/iiogmgo/do-meet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a38598ff194a85fed03a6b55922d9b13fae7f60
[INFO] sha for GitHub repo iiogmgo/do-meet: 7a38598ff194a85fed03a6b55922d9b13fae7f60
[INFO] validating manifest of iiogmgo/do-meet on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iiogmgo/do-meet on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iiogmgo/do-meet
[INFO] finished frobbing iiogmgo/do-meet
[INFO] frobbed toml for iiogmgo/do-meet written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/iiogmgo/do-meet/Cargo.toml
[INFO] started frobbing iiogmgo/do-meet
[INFO] finished frobbing iiogmgo/do-meet
[INFO] frobbed toml for iiogmgo/do-meet written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/iiogmgo/do-meet/Cargo.toml
[INFO] crate iiogmgo/do-meet already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iiogmgo/do-meet against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-7/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/iiogmgo/do-meet:/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 31764667e4e38e00676ca964d33ffeb232266796b0edbedf10b1ab0aed6bccef
[INFO] running `"docker" "start" "-a" "31764667e4e38e00676ca964d33ffeb232266796b0edbedf10b1ab0aed6bccef"`
[INFO] [stderr]     Checking sha1 v0.4.0
[INFO] [stderr]     Checking input_buffer v0.1.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tungstenite v0.5.4
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[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 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 domeet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `User`
[INFO] [stderr]  --> src/lib.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 | use slack::{Event, RtmClient, Message, User};
[INFO] [stderr]   |                                        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:23:46
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `User`
[INFO] [stderr]  --> src/lib.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 | use slack::{Event, RtmClient, Message, User};
[INFO] [stderr]   |                                        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:23:46
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.02s
[INFO] running `"docker" "inspect" "31764667e4e38e00676ca964d33ffeb232266796b0edbedf10b1ab0aed6bccef"`
[INFO] running `"docker" "rm" "-f" "31764667e4e38e00676ca964d33ffeb232266796b0edbedf10b1ab0aed6bccef"`
[INFO] [stdout] 31764667e4e38e00676ca964d33ffeb232266796b0edbedf10b1ab0aed6bccef