[INFO] updating cached repository https://github.com/dragman/chat [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8d1f01b6f7dee43cb4875270829a25f54cede6cb [INFO] checking dragman/chat against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragman%2Fchat" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dragman/chat on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dragman/chat [INFO] finished tweaking git repo https://github.com/dragman/chat [INFO] tweaked toml for git repo https://github.com/dragman/chat written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/dragman/chat already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 743ae29754c68b551cbd3b2990ebb178098158e147290b183fcbfaa6a1d66951 [INFO] running `"docker" "start" "-a" "743ae29754c68b551cbd3b2990ebb178098158e147290b183fcbfaa6a1d66951"` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking sha1 v0.1.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Compiling http-muncher v0.3.1 [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:90:19 [INFO] [stderr] | [INFO] [stderr] 90 | let buf = try!(input.read_u16::()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:93:19 [INFO] [stderr] | [INFO] [stderr] 93 | let len = try!(Self::read_length(header.payload_length, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:95:24 [INFO] [stderr] | [INFO] [stderr] 95 | let mask = try!(Self::read_mask(input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:101:27 [INFO] [stderr] | [INFO] [stderr] 101 | let mut payload = try!(Self::read_payload(len, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | try!(output.write_u16::(hdr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:125:17 [INFO] [stderr] | [INFO] [stderr] 125 | try!(output.write_u16::(self.payload.len() as u16)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:132:17 [INFO] [stderr] | [INFO] [stderr] 132 | try!(output.write_u64::(self.payload.len() as u64)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 143 | try!(output.write(&self.payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | try!(input.read(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:221:9 [INFO] [stderr] | [INFO] [stderr] 221 | try!(input.read(&mut payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:90:19 [INFO] [stderr] | [INFO] [stderr] 90 | let buf = try!(input.read_u16::()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:93:19 [INFO] [stderr] | [INFO] [stderr] 93 | let len = try!(Self::read_length(header.payload_length, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:95:24 [INFO] [stderr] | [INFO] [stderr] 95 | let mask = try!(Self::read_mask(input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:101:27 [INFO] [stderr] | [INFO] [stderr] 101 | let mut payload = try!(Self::read_payload(len, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | try!(output.write_u16::(hdr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:125:17 [INFO] [stderr] | [INFO] [stderr] 125 | try!(output.write_u16::(self.payload.len() as u16)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:132:17 [INFO] [stderr] | [INFO] [stderr] 132 | try!(output.write_u64::(self.payload.len() as u64)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 143 | try!(output.write(&self.payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | try!(input.read(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frame.rs:221:9 [INFO] [stderr] | [INFO] [stderr] 221 | try!(input.read(&mut payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:298:33 [INFO] [stderr] | [INFO] [stderr] 298 | ... let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:298:33 [INFO] [stderr] | [INFO] [stderr] 298 | ... let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.55s [INFO] running `"docker" "inspect" "743ae29754c68b551cbd3b2990ebb178098158e147290b183fcbfaa6a1d66951"` [INFO] running `"docker" "rm" "-f" "743ae29754c68b551cbd3b2990ebb178098158e147290b183fcbfaa6a1d66951"` [INFO] [stdout] 743ae29754c68b551cbd3b2990ebb178098158e147290b183fcbfaa6a1d66951