[INFO] cloning repository https://github.com/0e4ef622/somechatthing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0e4ef622/somechatthing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0e4ef622%2Fsomechatthing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0e4ef622%2Fsomechatthing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1141ce5dd62ce79e0a31aa17a32d261da770252
[INFO] checking 0e4ef622/somechatthing against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0e4ef622%2Fsomechatthing" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0e4ef622/somechatthing on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0e4ef622/somechatthing
[INFO] finished tweaking git repo https://github.com/0e4ef622/somechatthing
[INFO] tweaked toml for git repo https://github.com/0e4ef622/somechatthing written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/0e4ef622/somechatthing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 478fcd0737f4927408f856d3aaf9137b5f60a230735a49b78c7f24711c7d2864
[INFO] running `Command { std: "docker" "start" "-a" "478fcd0737f4927408f856d3aaf9137b5f60a230735a49b78c7f24711c7d2864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "478fcd0737f4927408f856d3aaf9137b5f60a230735a49b78c7f24711c7d2864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478fcd0737f4927408f856d3aaf9137b5f60a230735a49b78c7f24711c7d2864", kill_on_drop: false }`
[INFO] [stdout] 478fcd0737f4927408f856d3aaf9137b5f60a230735a49b78c7f24711c7d2864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98bd341599e1c2f40cb63c1f7861aacd1356777ac20a43b7d05101067f4d7338
[INFO] running `Command { std: "docker" "start" "-a" "98bd341599e1c2f40cb63c1f7861aacd1356777ac20a43b7d05101067f4d7338", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.10
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking rustyline v3.0.0
[INFO] [stderr]     Checking tokio v0.1.14
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/lib.rs:655:43
[INFO] [stdout]     |
[INFO] [stdout] 655 |             editor.add_history_entry(line.as_ref());
[INFO] [stdout]     |                                      -----^^^^^^--
[INFO] [stdout]     |                                      |    |
[INFO] [stdout]     |                                      |    cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]     |                                      this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] help: use the fully qualified path for the potential candidates
[INFO] [stdout]     |
[INFO] [stdout] 655 |             editor.add_history_entry(<String as AsRef<OsStr>>::as_ref(line));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 655 |             editor.add_history_entry(<String as AsRef<Path>>::as_ref(line));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 655 |             editor.add_history_entry(<String as AsRef<[u8]>>::as_ref(line));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 655 |             editor.add_history_entry(<String as AsRef<str>>::as_ref(line));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/history.rs:151:28
[INFO] [stdout]     |
[INFO] [stdout] 151 |             self.add(line?.as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                      ------^^^^^^--
[INFO] [stdout]     |                      |     |
[INFO] [stdout]     |                      |     cannot infer type for type parameter `T` declared on the trait `AsRef`
[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" "98bd341599e1c2f40cb63c1f7861aacd1356777ac20a43b7d05101067f4d7338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98bd341599e1c2f40cb63c1f7861aacd1356777ac20a43b7d05101067f4d7338", kill_on_drop: false }`
[INFO] [stdout] 98bd341599e1c2f40cb63c1f7861aacd1356777ac20a43b7d05101067f4d7338