[INFO] fetching crate split_ext 0.1.1...
[INFO] checking split_ext-0.1.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate split_ext 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate split_ext 0.1.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate split_ext 0.1.1
[INFO] finished tweaking crates.io crate split_ext 0.1.1
[INFO] tweaked toml for crates.io crate split_ext 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cf6a953096f6b13cb6880f3334844070deae581f68c281550f35e924909de1a
[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" "5cf6a953096f6b13cb6880f3334844070deae581f68c281550f35e924909de1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cf6a953096f6b13cb6880f3334844070deae581f68c281550f35e924909de1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf6a953096f6b13cb6880f3334844070deae581f68c281550f35e924909de1a", kill_on_drop: false }`
[INFO] [stdout] 5cf6a953096f6b13cb6880f3334844070deae581f68c281550f35e924909de1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c5aecdc9ec4d53dc66310a60d6cf67b93acb21668eba876797dab108e4bc248
[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" "1c5aecdc9ec4d53dc66310a60d6cf67b93acb21668eba876797dab108e4bc248", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]     Checking rental v0.5.6
[INFO] [stderr]     Checking split_ext v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: using `procedural-masquerade` crate
[INFO] [stdout]    --> src/lib.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | / rental! {
[INFO] [stdout] 164 | |     #[allow(clippy::useless_transmute)]
[INFO] [stdout] 165 | |     mod inner {
[INFO] [stdout] 166 | |         use std::str;
[INFO] [stdout] ...   |
[INFO] [stdout] 187 | |     }
[INFO] [stdout] 188 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(proc_macro_back_compat)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]     = note: this error originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: using `procedural-masquerade` crate
[INFO] [stdout]    --> src/lib.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | / rental! {
[INFO] [stdout] 164 | |     #[allow(clippy::useless_transmute)]
[INFO] [stdout] 165 | |     mod inner {
[INFO] [stdout] 166 | |         use std::str;
[INFO] [stdout] ...   |
[INFO] [stdout] 187 | |     }
[INFO] [stdout] 188 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(proc_macro_back_compat)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]     = note: this error originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `split_ext` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1c5aecdc9ec4d53dc66310a60d6cf67b93acb21668eba876797dab108e4bc248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5aecdc9ec4d53dc66310a60d6cf67b93acb21668eba876797dab108e4bc248", kill_on_drop: false }`
[INFO] [stdout] 1c5aecdc9ec4d53dc66310a60d6cf67b93acb21668eba876797dab108e4bc248