[INFO] fetching crate momo 0.2.2...
[INFO] testing momo-0.2.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate momo 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate momo 0.2.2
[INFO] finished tweaking crates.io crate momo 0.2.2
[INFO] tweaked toml for crates.io crate momo 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate momo 0.2.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate momo 0.2.2 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `momo` library target)
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded watt v0.4.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e204a5ff5d35361130cf6abb7dc5acfb5a185b52ed6e9b6ca0ec831d8f4750c0
[INFO] running `Command { std: "docker" "start" "-a" "e204a5ff5d35361130cf6abb7dc5acfb5a185b52ed6e9b6ca0ec831d8f4750c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e204a5ff5d35361130cf6abb7dc5acfb5a185b52ed6e9b6ca0ec831d8f4750c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e204a5ff5d35361130cf6abb7dc5acfb5a185b52ed6e9b6ca0ec831d8f4750c0", kill_on_drop: false }`
[INFO] [stdout] e204a5ff5d35361130cf6abb7dc5acfb5a185b52ed6e9b6ca0ec831d8f4750c0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b7e4c301d0cd53020b1982b46bea5922d61aa6a5e922e77997b0a3d799f5de
[INFO] running `Command { std: "docker" "start" "-a" "a6b7e4c301d0cd53020b1982b46bea5922d61aa6a5e922e77997b0a3d799f5de", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `momo` library target)
[INFO] [stderr]    Compiling watt v0.4.0
[INFO] [stderr]    Compiling momo v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "a6b7e4c301d0cd53020b1982b46bea5922d61aa6a5e922e77997b0a3d799f5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b7e4c301d0cd53020b1982b46bea5922d61aa6a5e922e77997b0a3d799f5de", kill_on_drop: false }`
[INFO] [stdout] a6b7e4c301d0cd53020b1982b46bea5922d61aa6a5e922e77997b0a3d799f5de
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4822e409ef39e0b73d5a12b1f20f723f9f9694ff49d902824b4b9b8f589c78c
[INFO] running `Command { std: "docker" "start" "-a" "f4822e409ef39e0b73d5a12b1f20f723f9f9694ff49d902824b4b9b8f589c78c", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `momo` library target)
[INFO] [stderr]    Compiling watt v0.4.0
[INFO] [stderr]    Compiling momo v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected curly braces
[INFO] [stdout]  --> examples/check.rs:4:90
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn check_generic<I: Into<usize>, S: AsRef<str>, M: AsMut<[usize]>>(i: I, s: S, mut m: M) -> usize {
[INFO] [stdout]   |                                                                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected curly braces
[INFO] [stdout]  --> examples/check.rs:9:90
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn check_impl_trait(i: impl Into<usize>, s: impl AsRef<str>, mut m: impl AsMut<[usize]>) -> usize {
[INFO] [stdout]   |                                                                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected curly braces
[INFO] [stdout]   --> examples/check.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |     ) -> usize {
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected curly braces
[INFO] [stdout]   --> examples/check.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |     ) -> usize {
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `generic` found for struct `Check` in the current scope
[INFO] [stdout]   --> examples/check.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     assert_eq!(check.generic(i, s, &mut m), 16);
[INFO] [stdout]    |                      ^^^^^^^ method not found in `Check`
[INFO] [stdout] ...
[INFO] [stdout] 25 | pub struct Check;
[INFO] [stdout]    | ---------------- method `generic` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `impl_trait` found for struct `Check` in the current scope
[INFO] [stdout]   --> examples/check.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     assert_eq!(check.impl_trait(i, s, &mut m), 16);
[INFO] [stdout]    |                      ^^^^^^^^^^ method not found in `Check`
[INFO] [stdout] ...
[INFO] [stdout] 25 | pub struct Check;
[INFO] [stdout]    | ---------------- method `impl_trait` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `momo` (example "check") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "f4822e409ef39e0b73d5a12b1f20f723f9f9694ff49d902824b4b9b8f589c78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4822e409ef39e0b73d5a12b1f20f723f9f9694ff49d902824b4b9b8f589c78c", kill_on_drop: false }`
[INFO] [stdout] f4822e409ef39e0b73d5a12b1f20f723f9f9694ff49d902824b4b9b8f589c78c