[INFO] cloning repository https://github.com/krakow10/trait-varadic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krakow10/trait-varadic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrakow10%2Ftrait-varadic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrakow10%2Ftrait-varadic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46e63d3cef39e6d81ce00ce11dde90513de2ba50
[INFO] testing krakow10/trait-varadic against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrakow10%2Ftrait-varadic" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krakow10/trait-varadic
[INFO] finished tweaking git repo https://github.com/krakow10/trait-varadic
[INFO] tweaked toml for git repo https://github.com/krakow10/trait-varadic written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krakow10/trait-varadic on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krakow10/trait-varadic 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f99efa86ea066622443a939e64e072e58ed270691d65fc9c3c3f0ad805718ed
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[INFO] running `Command { std: "docker" "inspect" "5f99efa86ea066622443a939e64e072e58ed270691d65fc9c3c3f0ad805718ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f99efa86ea066622443a939e64e072e58ed270691d65fc9c3c3f0ad805718ed", kill_on_drop: false }`
[INFO] [stdout] 5f99efa86ea066622443a939e64e072e58ed270691d65fc9c3c3f0ad805718ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfd9c8c1fa688d52bddcd6d9d32be7c695b289a7ab34f329af0f72eabe7021bf
[INFO] running `Command { std: "docker" "start" "-a" "bfd9c8c1fa688d52bddcd6d9d32be7c695b289a7ab34f329af0f72eabe7021bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait-varadic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/main.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Varadic.varadic("yo");
[INFO] [stdout]    |             ^^^^^^^ multiple `varadic` found
[INFO] [stdout]    |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `Arg1` for the type `Varadic`
[INFO] [stdout]   --> src/main.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn varadic(&self,a:&str) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `Arg2` for the type `Varadic`
[INFO] [stdout]   --> src/main.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn varadic(&self,a:&str,b:&str) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 21 -     Varadic.varadic("yo");
[INFO] [stdout] 21 +     Arg1::varadic(&Varadic, "yo");
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 21 -     Varadic.varadic("yo");
[INFO] [stdout] 21 +     Arg2::varadic(&Varadic, "yo");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/main.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Varadic.varadic("yo","yo");
[INFO] [stdout]    |             ^^^^^^^ multiple `varadic` found
[INFO] [stdout]    |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `Arg1` for the type `Varadic`
[INFO] [stdout]   --> src/main.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn varadic(&self,a:&str) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `Arg2` for the type `Varadic`
[INFO] [stdout]   --> src/main.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn varadic(&self,a:&str,b:&str) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 22 -     Varadic.varadic("yo","yo");
[INFO] [stdout] 22 +     Arg1::varadic(&Varadic, "yo", "yo");
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 22 -     Varadic.varadic("yo","yo");
[INFO] [stdout] 22 +     Arg2::varadic(&Varadic, "yo", "yo");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trait-varadic` (bin "trait-varadic") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bfd9c8c1fa688d52bddcd6d9d32be7c695b289a7ab34f329af0f72eabe7021bf", kill_on_drop: false }`
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[INFO] [stdout] bfd9c8c1fa688d52bddcd6d9d32be7c695b289a7ab34f329af0f72eabe7021bf