[INFO] fetching crate early 0.1.0...
[INFO] testing early-0.1.0 against try#5bc97a20e5cc382ae6d19f727a9e73eeb2734548 for pr-99093
[INFO] extracting crate early 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate early 0.1.0 on toolchain 5bc97a20e5cc382ae6d19f727a9e73eeb2734548
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate early 0.1.0
[INFO] finished tweaking crates.io crate early 0.1.0
[INFO] tweaked toml for crates.io crate early 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 858aa390ecfa184b79b266090d556b65b56147df76ba003fb7dc55b2d6e1fe04
[INFO] running `Command { std: "docker" "start" "-a" "858aa390ecfa184b79b266090d556b65b56147df76ba003fb7dc55b2d6e1fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858aa390ecfa184b79b266090d556b65b56147df76ba003fb7dc55b2d6e1fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858aa390ecfa184b79b266090d556b65b56147df76ba003fb7dc55b2d6e1fe04", kill_on_drop: false }`
[INFO] [stdout] 858aa390ecfa184b79b266090d556b65b56147df76ba003fb7dc55b2d6e1fe04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68e060828096146b979c262f9f9e5f1553926f8b1839d7ebe08670e082a6067e
[INFO] running `Command { std: "docker" "start" "-a" "68e060828096146b979c262f9f9e5f1553926f8b1839d7ebe08670e082a6067e", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling urlencoding v2.1.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling early v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:112:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |             .intersperse("&".into())
[INFO] [stdout]     |              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 109 ~         Itertools::intersperse(self.query
[INFO] [stdout] 110 +             .iter()
[INFO] [stdout] 111 +             .map(|(k, v)| format!("{}={}", urlencoding::encode(k), urlencoding::encode(v))), "&".into())
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 109 ~         Iterator::intersperse(self.query
[INFO] [stdout] 110 +             .iter()
[INFO] [stdout] 111 +             .map(|(k, v)| format!("{}={}", urlencoding::encode(k), urlencoding::encode(v))), "&".into())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 122 |             .intersperse("/".into())
[INFO] [stdout]     |              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 119 ~         Itertools::intersperse(self.paths
[INFO] [stdout] 120 +             .iter()
[INFO] [stdout] 121 +             .map(|p| urlencoding::encode(p).into_owned()), "/".into())
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 119 ~         Iterator::intersperse(self.paths
[INFO] [stdout] 120 +             .iter()
[INFO] [stdout] 121 +             .map(|p| urlencoding::encode(p).into_owned()), "/".into())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `extra_iters::ExtraIters`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use extra_iters::ExtraIters;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `early` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "68e060828096146b979c262f9f9e5f1553926f8b1839d7ebe08670e082a6067e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e060828096146b979c262f9f9e5f1553926f8b1839d7ebe08670e082a6067e", kill_on_drop: false }`
[INFO] [stdout] 68e060828096146b979c262f9f9e5f1553926f8b1839d7ebe08670e082a6067e