[INFO] cloning repository https://github.com/richo/manglr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richo/manglr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricho%2Fmanglr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricho%2Fmanglr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc8dbd0302c3e3407367b0ccf77a168f2ee8ee34
[INFO] checking richo/manglr against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricho%2Fmanglr" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richo/manglr on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richo/manglr
[INFO] finished tweaking git repo https://github.com/richo/manglr
[INFO] tweaked toml for git repo https://github.com/richo/manglr written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/richo/manglr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74fac8451c915fc0b75c279f197b7b405baa1c491f8acf16c398857bde12d6d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "74fac8451c915fc0b75c279f197b7b405baa1c491f8acf16c398857bde12d6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74fac8451c915fc0b75c279f197b7b405baa1c491f8acf16c398857bde12d6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74fac8451c915fc0b75c279f197b7b405baa1c491f8acf16c398857bde12d6d2", kill_on_drop: false }`
[INFO] [stdout] 74fac8451c915fc0b75c279f197b7b405baa1c491f8acf16c398857bde12d6d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 211f26072cfd935c601dab2eca08793c5b6bd54aeffb09a2f2760b1b43519aee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "211f26072cfd935c601dab2eca08793c5b6bd54aeffb09a2f2760b1b43519aee", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking manglr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `sink`
[INFO] [stdout]   --> src/main.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn sink<'a>(&self, line: &'a str);
[INFO] [stdout]    |     ---------------------------------- `sink` from trait
[INFO] [stdout] ...
[INFO] [stdout] 52 | impl Sink for StdoutSink {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ missing `sink` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `sink`
[INFO] [stdout]   --> src/main.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn sink<'a>(&self, line: &'a str);
[INFO] [stdout]    |     ---------------------------------- `sink` from trait
[INFO] [stdout] ...
[INFO] [stdout] 52 | impl Sink for StdoutSink {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ missing `sink` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `manglr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "211f26072cfd935c601dab2eca08793c5b6bd54aeffb09a2f2760b1b43519aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211f26072cfd935c601dab2eca08793c5b6bd54aeffb09a2f2760b1b43519aee", kill_on_drop: false }`
[INFO] [stdout] 211f26072cfd935c601dab2eca08793c5b6bd54aeffb09a2f2760b1b43519aee