[INFO] cloning repository https://github.com/noamtashma/generic-trees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noamtashma/generic-trees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoamtashma%2Fgeneric-trees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoamtashma%2Fgeneric-trees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c57cf33d7b3db5606929a5945bd0d1a76c978b6
[INFO] checking noamtashma/generic-trees against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoamtashma%2Fgeneric-trees" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noamtashma/generic-trees on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noamtashma/generic-trees
[INFO] finished tweaking git repo https://github.com/noamtashma/generic-trees
[INFO] tweaked toml for git repo https://github.com/noamtashma/generic-trees written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/noamtashma/generic-trees already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3399660fa455f7eac67745bbb70ab6927c10e5ca8ffb11cbfa90f5e6e56ba995
[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" "3399660fa455f7eac67745bbb70ab6927c10e5ca8ffb11cbfa90f5e6e56ba995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3399660fa455f7eac67745bbb70ab6927c10e5ca8ffb11cbfa90f5e6e56ba995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3399660fa455f7eac67745bbb70ab6927c10e5ca8ffb11cbfa90f5e6e56ba995", kill_on_drop: false }`
[INFO] [stdout] 3399660fa455f7eac67745bbb70ab6927c10e5ca8ffb11cbfa90f5e6e56ba995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--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] 70209ff15cdab521bb0ca0f4145475a8ab75762854d24253ca5e669164333ff6
[INFO] running `Command { std: "docker" "start" "-a" "70209ff15cdab521bb0ca0f4145475a8ab75762854d24253ca5e669164333ff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling derive_destructure v1.0.0
[INFO] [stderr]     Checking trees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]    --> src/methods/mod.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 |         insert_by_locator(tree, &locate_by_key(&data.get_key()) , data);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ cannot infer type for type parameter `A` declared on the function `locate_by_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `<_ as data::Data>::Value == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]    --> src/methods/mod.rs:136:64
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let res : Result<_, void::Void> = search_by_locator(tree, &locate_by_key(key));
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^ cannot infer type for type parameter `A` declared on the function `locate_by_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `<_ as data::Data>::Value == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]    --> src/methods/mod.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 |         insert_by_locator(tree, &locate_by_key(&data.get_key()) , data);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ cannot infer type for type parameter `A` declared on the function `locate_by_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `<_ as data::Data>::Value == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]    --> src/methods/mod.rs:136:64
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let res : Result<_, void::Void> = search_by_locator(tree, &locate_by_key(key));
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^ cannot infer type for type parameter `A` declared on the function `locate_by_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `<_ as data::Data>::Value == _`
[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 E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trees`
[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] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "70209ff15cdab521bb0ca0f4145475a8ab75762854d24253ca5e669164333ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70209ff15cdab521bb0ca0f4145475a8ab75762854d24253ca5e669164333ff6", kill_on_drop: false }`
[INFO] [stdout] 70209ff15cdab521bb0ca0f4145475a8ab75762854d24253ca5e669164333ff6