[INFO] updating cached repository maelvalais/rust-chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maelvalais/rust-chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maelvalais/rust-chat" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/maelvalais/rust-chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/maelvalais/rust-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maelvalais/rust-chat" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/maelvalais/rust-chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/maelvalais/rust-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbe053dd76f97603b084a8cdcdc3275552076808
[INFO] sha for GitHub repo maelvalais/rust-chat: cbe053dd76f97603b084a8cdcdc3275552076808
[INFO] validating manifest of maelvalais/rust-chat on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maelvalais/rust-chat on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maelvalais/rust-chat
[INFO] finished frobbing maelvalais/rust-chat
[INFO] frobbed toml for maelvalais/rust-chat written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/maelvalais/rust-chat/Cargo.toml
[INFO] started frobbing maelvalais/rust-chat
[INFO] finished frobbing maelvalais/rust-chat
[INFO] frobbed toml for maelvalais/rust-chat written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/maelvalais/rust-chat/Cargo.toml
[INFO] crate maelvalais/rust-chat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking maelvalais/rust-chat against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-6/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/maelvalais/rust-chat:/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" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66b8e7d2cc8803cf7b2ea0ca32a2c949b938f47a016e05f77c4042f76ce1654c
[INFO] running `"docker" "start" "-a" "66b8e7d2cc8803cf7b2ea0ca32a2c949b938f47a016e05f77c4042f76ce1654c"`
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking rust-chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `chars` found for type `std::net::TcpStream` in the current scope
[INFO] [stderr]    --> src/main.rs:164:29
[INFO] [stderr]     |
[INFO] [stderr] 164 |             for c in reader.chars() {
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for type `std::net::TcpStream` in the current scope
[INFO] [stderr]    --> src/main.rs:208:27
[INFO] [stderr]     |
[INFO] [stderr] 208 |           for c in reader.chars() {
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for type `std::net::TcpStream` in the current scope
[INFO] [stderr]    --> src/main.rs:164:29
[INFO] [stderr]     |
[INFO] [stderr] 164 |             for c in reader.chars() {
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for type `std::net::TcpStream` in the current scope
[INFO] [stderr]    --> src/main.rs:208:27
[INFO] [stderr]     |
[INFO] [stderr] 208 |           for c in reader.chars() {
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rust-chat`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rust-chat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "66b8e7d2cc8803cf7b2ea0ca32a2c949b938f47a016e05f77c4042f76ce1654c"`
[INFO] running `"docker" "rm" "-f" "66b8e7d2cc8803cf7b2ea0ca32a2c949b938f47a016e05f77c4042f76ce1654c"`
[INFO] [stdout] 66b8e7d2cc8803cf7b2ea0ca32a2c949b938f47a016e05f77c4042f76ce1654c