[INFO] fetching crate inspector 0.1.0...
[INFO] checking inspector-0.1.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate inspector 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate inspector 0.1.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inspector 0.1.0
[INFO] finished tweaking crates.io crate inspector 0.1.0
[INFO] tweaked toml for crates.io crate inspector 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate inspector 0.1.0 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37aa05e9adeefe93c91bab5f38af024a1219a8b8d95c66526b3c2a6abe28aaae
[INFO] running `Command { std: "docker" "start" "-a" "37aa05e9adeefe93c91bab5f38af024a1219a8b8d95c66526b3c2a6abe28aaae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37aa05e9adeefe93c91bab5f38af024a1219a8b8d95c66526b3c2a6abe28aaae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37aa05e9adeefe93c91bab5f38af024a1219a8b8d95c66526b3c2a6abe28aaae", kill_on_drop: false }`
[INFO] [stdout] 37aa05e9adeefe93c91bab5f38af024a1219a8b8d95c66526b3c2a6abe28aaae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68060d685efbe84baf3c2d34127f08e50421fef2f36707657601b698af8ffd89
[INFO] running `Command { std: "docker" "start" "-a" "68060d685efbe84baf3c2d34127f08e50421fef2f36707657601b698af8ffd89", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking inspector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/option.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.inspect(|item| println!("{:?}", item))
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `OptionInspector::inspect(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(result_option_inspect)]` to the crate attributes to enable `Option::<T>::inspect`
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unstable_name_collisions)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/result.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.inspect(|item| println!("{:?}", item))
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `ResultInspector::inspect(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(result_option_inspect)]` to the crate attributes to enable `Result::<T, E>::inspect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/option.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.inspect(|item| println!("{:?}", item))
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `OptionInspector::inspect(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(result_option_inspect)]` to the crate attributes to enable `Option::<T>::inspect`
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unstable_name_collisions)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/result.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.inspect(|item| println!("{:?}", item))
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `ResultInspector::inspect(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(result_option_inspect)]` to the crate attributes to enable `Result::<T, E>::inspect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inspector` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `inspector` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "68060d685efbe84baf3c2d34127f08e50421fef2f36707657601b698af8ffd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68060d685efbe84baf3c2d34127f08e50421fef2f36707657601b698af8ffd89", kill_on_drop: false }`
[INFO] [stdout] 68060d685efbe84baf3c2d34127f08e50421fef2f36707657601b698af8ffd89
