[INFO] fetching crate lamcal-repl 0.4.0...
[INFO] checking lamcal-repl-0.4.0 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate lamcal-repl 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lamcal-repl 0.4.0 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lamcal-repl 0.4.0
[INFO] finished tweaking crates.io crate lamcal-repl 0.4.0
[INFO] tweaked toml for crates.io crate lamcal-repl 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75b6bfc965e8bb91b9185995b51736dd9e0d96740101357545a97cca46d31013
[INFO] running `Command { std: "docker" "start" "-a" "75b6bfc965e8bb91b9185995b51736dd9e0d96740101357545a97cca46d31013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b6bfc965e8bb91b9185995b51736dd9e0d96740101357545a97cca46d31013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b6bfc965e8bb91b9185995b51736dd9e0d96740101357545a97cca46d31013", kill_on_drop: false }`
[INFO] [stdout] 75b6bfc965e8bb91b9185995b51736dd9e0d96740101357545a97cca46d31013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33d9b8ec0ea68ae8ad3180b4f4d57eb564b0cdc117361982c0613eaffa3a185a
[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" "33d9b8ec0ea68ae8ad3180b4f4d57eb564b0cdc117361982c0613eaffa3a185a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking rustyline v2.1.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/lib.rs:639:43
[INFO] [stdout]     |
[INFO] [stdout] 639 |             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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/history.rs:150:33
[INFO] [stdout]     |
[INFO] [stdout] 150 |             self.add(try!(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" "33d9b8ec0ea68ae8ad3180b4f4d57eb564b0cdc117361982c0613eaffa3a185a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d9b8ec0ea68ae8ad3180b4f4d57eb564b0cdc117361982c0613eaffa3a185a", kill_on_drop: false }`
[INFO] [stdout] 33d9b8ec0ea68ae8ad3180b4f4d57eb564b0cdc117361982c0613eaffa3a185a