[INFO] cloning repository https://github.com/Rydgel/monkey-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rydgel/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRydgel%2Fmonkey-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRydgel%2Fmonkey-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9cee345b148a677c0eb9d9a48f7e91e671dd95a
[INFO] testing Rydgel/monkey-rust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRydgel%2Fmonkey-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rydgel/monkey-rust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rydgel/monkey-rust
[INFO] finished tweaking git repo https://github.com/Rydgel/monkey-rust
[INFO] tweaked toml for git repo https://github.com/Rydgel/monkey-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Rydgel/monkey-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 22bd67ff38f505e8040597976d1027ceb2b82ea8c3983c313216a4ed48b7ec09
[INFO] running `Command { std: "docker" "start" "-a" "22bd67ff38f505e8040597976d1027ceb2b82ea8c3983c313216a4ed48b7ec09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22bd67ff38f505e8040597976d1027ceb2b82ea8c3983c313216a4ed48b7ec09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bd67ff38f505e8040597976d1027ceb2b82ea8c3983c313216a4ed48b7ec09", kill_on_drop: false }`
[INFO] [stdout] 22bd67ff38f505e8040597976d1027ceb2b82ea8c3983c313216a4ed48b7ec09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", 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] 6e1500a5cde4de5e0134045a5a4a13c438a4279c8e2677e5ae364d3d225841ca
[INFO] running `Command { std: "docker" "start" "-a" "6e1500a5cde4de5e0134045a5a4a13c438a4279c8e2677e5ae364d3d225841ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling rustyline v1.0.0 (https://github.com/kkawakam/rustyline#15de3486)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/git/checkouts/rustyline-98638c01accab86a/15de348/src/lib.rs:1268:49
[INFO] [stdout]      |
[INFO] [stdout] 1268 |                 self.editor.add_history_entry(l.as_ref()); // TODO Validate
[INFO] [stdout]      |                                               --^^^^^^--
[INFO] [stdout]      |                                               | |
[INFO] [stdout]      |                                               | cannot infer type for struct `std::string::String`
[INFO] [stdout]      |                                               this method call resolves to `&T`
[INFO] [stdout]      |
[INFO] [stdout]      = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rustyline-98638c01accab86a/15de348/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 `std::string::String`
[INFO] [stdout]     |                      this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::string::String: std::convert::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" "6e1500a5cde4de5e0134045a5a4a13c438a4279c8e2677e5ae364d3d225841ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1500a5cde4de5e0134045a5a4a13c438a4279c8e2677e5ae364d3d225841ca", kill_on_drop: false }`
[INFO] [stdout] 6e1500a5cde4de5e0134045a5a4a13c438a4279c8e2677e5ae364d3d225841ca