[INFO] cloning repository https://github.com/robalni/twitch-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robalni/twitch-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobalni%2Ftwitch-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobalni%2Ftwitch-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23977a742f0ed33a7d283ffa0538cbbd6f8484eb
[INFO] checking robalni/twitch-shell against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobalni%2Ftwitch-shell" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robalni/twitch-shell 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/robalni/twitch-shell
[INFO] finished tweaking git repo https://github.com/robalni/twitch-shell
[INFO] tweaked toml for git repo https://github.com/robalni/twitch-shell written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/robalni/twitch-shell 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlparse v0.7.3
[INFO] [stderr]   Downloaded curl-sys v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 92977b2da7c8d6658ad90370fb6241f0c7544fca6e7cdecd3fc3f9392d394867
[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" "92977b2da7c8d6658ad90370fb6241f0c7544fca6e7cdecd3fc3f9392d394867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92977b2da7c8d6658ad90370fb6241f0c7544fca6e7cdecd3fc3f9392d394867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92977b2da7c8d6658ad90370fb6241f0c7544fca6e7cdecd3fc3f9392d394867", kill_on_drop: false }`
[INFO] [stdout] 92977b2da7c8d6658ad90370fb6241f0c7544fca6e7cdecd3fc3f9392d394867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 459cdaa058e99cbd8ba0660552bad07e5534eaf34892d25bfa7d6f6bbf396fa9
[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" "459cdaa058e99cbd8ba0660552bad07e5534eaf34892d25bfa7d6f6bbf396fa9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking yansi v0.3.4
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking socket2 v0.3.5
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.31
[INFO] [stderr]    Compiling curl-sys v0.4.5
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking tiny_http v0.5.9
[INFO] [stderr]     Checking rustyline v1.0.0 (https://github.com/robalni/rustyline?rev=20ff98fcbc554383918490d8286db0f11ebcc93f#20ff98fc)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/git/checkouts/rustyline-da59e25630d1759c/20ff98f/src/lib.rs:1280:49
[INFO] [stdout]      |
[INFO] [stdout] 1280 |                 self.editor.add_history_entry(l.as_ref()); // TODO Validate
[INFO] [stdout]      |                                               --^^^^^^--
[INFO] [stdout]      |                                               | |
[INFO] [stdout]      |                                               | cannot infer type for struct `String`
[INFO] [stdout]      |                                               this method call resolves to `&T`
[INFO] [stdout]      |
[INFO] [stdout]      = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rustyline-da59e25630d1759c/20ff98f/src/history.rs:137:33
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.add(try!(line).as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                      -----------^^^^^^--
[INFO] [stdout]     |                      |          |
[INFO] [stdout]     |                      |          cannot infer type for struct `String`
[INFO] [stdout]     |                      this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustyline`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "459cdaa058e99cbd8ba0660552bad07e5534eaf34892d25bfa7d6f6bbf396fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459cdaa058e99cbd8ba0660552bad07e5534eaf34892d25bfa7d6f6bbf396fa9", kill_on_drop: false }`
[INFO] [stdout] 459cdaa058e99cbd8ba0660552bad07e5534eaf34892d25bfa7d6f6bbf396fa9