[INFO] cloning repository https://github.com/lxl66566/demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lxl66566/demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxl66566%2Fdemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxl66566%2Fdemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed7bf2fc7c1d1781faf48770dab9972a890bdb0b
[INFO] building lxl66566/demo against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxl66566%2Fdemo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lxl66566/demo
[INFO] finished tweaking git repo https://github.com/lxl66566/demo
[INFO] tweaked toml for git repo https://github.com/lxl66566/demo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lxl66566/demo on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lxl66566/demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeebc104a3632ceeddc5918469519ec7cda7093eb5fb8ab7e26d2d1b3edd5911
[INFO] running `Command { std: "docker" "start" "-a" "eeebc104a3632ceeddc5918469519ec7cda7093eb5fb8ab7e26d2d1b3edd5911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeebc104a3632ceeddc5918469519ec7cda7093eb5fb8ab7e26d2d1b3edd5911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeebc104a3632ceeddc5918469519ec7cda7093eb5fb8ab7e26d2d1b3edd5911", kill_on_drop: false }`
[INFO] [stdout] eeebc104a3632ceeddc5918469519ec7cda7093eb5fb8ab7e26d2d1b3edd5911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ddf6e17c96d457a3af6bb3e7d5675b1e643cd8ad7483c63698623dd6a2b97f8
[INFO] running `Command { std: "docker" "start" "-a" "7ddf6e17c96d457a3af6bb3e7d5675b1e643cd8ad7483c63698623dd6a2b97f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: `T1` is not an iterator
[INFO] [stdout]  --> src/main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |     t.take();
[INFO] [stdout]   |       ^^^^ `T1` is not an iterator
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/core/sub1.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct T1;
[INFO] [stdout]   | ------------- method `take` not found for this struct because it doesn't satisfy `T1: Iterator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the following trait bounds were not satisfied:
[INFO] [stdout]           `T1: Iterator`
[INFO] [stdout]           which is required by `&mut T1: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]  --> /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/iter/traits/iterator.rs:40:1
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Takable` which provides `take` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]   |
[INFO] [stdout] 1 + use crate::core::Takable;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `T2` is not an iterator
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     t.take();
[INFO] [stdout]   |       ^^^^ `T2` is not an iterator
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/core/sub2.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct T2;
[INFO] [stdout]   | ------------- method `take` not found for this struct because it doesn't satisfy `T2: Iterator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the following trait bounds were not satisfied:
[INFO] [stdout]           `T2: Iterator`
[INFO] [stdout]           which is required by `&mut T2: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]  --> /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/iter/traits/iterator.rs:40:1
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Takable` which provides `take` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]   |
[INFO] [stdout] 1 + use crate::core::Takable;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_basic` (bin "rust_basic") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7ddf6e17c96d457a3af6bb3e7d5675b1e643cd8ad7483c63698623dd6a2b97f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddf6e17c96d457a3af6bb3e7d5675b1e643cd8ad7483c63698623dd6a2b97f8", kill_on_drop: false }`
[INFO] [stdout] 7ddf6e17c96d457a3af6bb3e7d5675b1e643cd8ad7483c63698623dd6a2b97f8