[INFO] fetching crate funcext 0.1.0...
[INFO] testing funcext-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate funcext 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate funcext 0.1.0
[INFO] finished tweaking crates.io crate funcext 0.1.0
[INFO] tweaked toml for crates.io crate funcext 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate funcext 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate funcext 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9adf3750f119f2875675cfae5325306af393aa677a47d09acedf7c2b1a1672e0
[INFO] running `Command { std: "docker" "start" "-a" "9adf3750f119f2875675cfae5325306af393aa677a47d09acedf7c2b1a1672e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9adf3750f119f2875675cfae5325306af393aa677a47d09acedf7c2b1a1672e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adf3750f119f2875675cfae5325306af393aa677a47d09acedf7c2b1a1672e0", kill_on_drop: false }`
[INFO] [stdout] 9adf3750f119f2875675cfae5325306af393aa677a47d09acedf7c2b1a1672e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 655fc07a7ccefe2d832266a37e93457c40ca81b706af1e06c0a450015ce05fbf
[INFO] running `Command { std: "docker" "start" "-a" "655fc07a7ccefe2d832266a37e93457c40ca81b706af1e06c0a450015ce05fbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling funcext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait method `R` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn R<F, R>(self, action: F) -> R
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `A` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn A<F>(mut self, action: F) -> Self
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `I` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn I<F>(self, action: F) -> Self
[INFO] [stdout]    |        ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "655fc07a7ccefe2d832266a37e93457c40ca81b706af1e06c0a450015ce05fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655fc07a7ccefe2d832266a37e93457c40ca81b706af1e06c0a450015ce05fbf", kill_on_drop: false }`
[INFO] [stdout] 655fc07a7ccefe2d832266a37e93457c40ca81b706af1e06c0a450015ce05fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fdbcb49e1e55ad5954feb59225704101476991b62e728a3d668691c0f013d81
[INFO] running `Command { std: "docker" "start" "-a" "8fdbcb49e1e55ad5954feb59225704101476991b62e728a3d668691c0f013d81", kill_on_drop: false }`
[INFO] [stderr]    Compiling funcext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait method `R` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn R<F, R>(self, action: F) -> R
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `A` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn A<F>(mut self, action: F) -> Self
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `I` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn I<F>(self, action: F) -> Self
[INFO] [stdout]    |        ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `R` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn R<F, R>(self, action: F) -> R
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `A` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn A<F>(mut self, action: F) -> Self
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `I` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn I<F>(self, action: F) -> Self
[INFO] [stdout]    |        ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "8fdbcb49e1e55ad5954feb59225704101476991b62e728a3d668691c0f013d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdbcb49e1e55ad5954feb59225704101476991b62e728a3d668691c0f013d81", kill_on_drop: false }`
[INFO] [stdout] 8fdbcb49e1e55ad5954feb59225704101476991b62e728a3d668691c0f013d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18e4eb92d366b25fc054f86610e099a38fa76715bec9ee8a7b5320aac1cadb3f
[INFO] running `Command { std: "docker" "start" "-a" "18e4eb92d366b25fc054f86610e099a38fa76715bec9ee8a7b5320aac1cadb3f", kill_on_drop: false }`
[INFO] [stderr] warning: trait method `R` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn R<F, R>(self, action: F) -> R
[INFO] [stderr]   |        ^ help: convert the identifier to snake case: `r`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `A` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn A<F>(mut self, action: F) -> Self
[INFO] [stderr]   |        ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `I` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn I<F>(self, action: F) -> Self
[INFO] [stderr]    |        ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stderr] 
[INFO] [stderr] warning: `funcext` (lib) generated 3 warnings
[INFO] [stderr] warning: `funcext` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/funcext-28e20a87816c0888)
[INFO] [stderr]    Doc-tests funcext
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18e4eb92d366b25fc054f86610e099a38fa76715bec9ee8a7b5320aac1cadb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e4eb92d366b25fc054f86610e099a38fa76715bec9ee8a7b5320aac1cadb3f", kill_on_drop: false }`
[INFO] [stdout] 18e4eb92d366b25fc054f86610e099a38fa76715bec9ee8a7b5320aac1cadb3f