[INFO] cloning repository https://github.com/tqdv/switchable [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tqdv/switchable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqdv%2Fswitchable", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqdv%2Fswitchable'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7ce4eb2f602b862679433cb8dba039d25ae20fc1 [INFO] checking tqdv/switchable against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqdv%2Fswitchable" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tqdv/switchable on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tqdv/switchable [INFO] finished tweaking git repo https://github.com/tqdv/switchable [INFO] tweaked toml for git repo https://github.com/tqdv/switchable written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/tqdv/switchable already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded thiserror-impl v1.0.19 [INFO] [stderr] Downloaded proc-macro2 v1.0.13 [INFO] [stderr] Downloaded quote v1.0.5 [INFO] [stderr] Downloaded tear v0.2.0 [INFO] [stderr] Downloaded thiserror v1.0.19 [INFO] [stderr] Downloaded serde_derive v1.0.110 [INFO] [stderr] Downloaded serde v1.0.110 [INFO] [stderr] Downloaded serde_json v1.0.53 [INFO] [stderr] Downloaded libc v0.2.70 [INFO] [stderr] Downloaded syn v1.0.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7eb6d6d14c1daaf7089364b616de14375c20ef29179060c513e535d56d96501 [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" "d7eb6d6d14c1daaf7089364b616de14375c20ef29179060c513e535d56d96501", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7eb6d6d14c1daaf7089364b616de14375c20ef29179060c513e535d56d96501", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7eb6d6d14c1daaf7089364b616de14375c20ef29179060c513e535d56d96501", kill_on_drop: false }` [INFO] [stdout] d7eb6d6d14c1daaf7089364b616de14375c20ef29179060c513e535d56d96501 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb813a5caac3d9a402c5119274d0cf8960ee7140c31ef06936317ba1f25a4d59 [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" "cb813a5caac3d9a402c5119274d0cf8960ee7140c31ef06936317ba1f25a4d59", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking tear v0.2.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Compiling quote v1.0.5 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Compiling thiserror-impl v1.0.19 [INFO] [stderr] Checking thiserror v1.0.19 [INFO] [stderr] Checking serde v1.0.110 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking switchable v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> src/app.rs:79:6 [INFO] [stdout] | [INFO] [stdout] 79 | .reduce(|a, b| format!("{} {}", a, b)).unwrap(); // We checked is_empty [INFO] [stdout] | ^^^^^^ multiple `reduce` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in an impl of the trait `slang::IterExt` for the type `Me` [INFO] [stdout] --> src/slang.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | fn reduce (mut self, f :impl FnMut(T, T) -> T) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `std::iter::Map` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 77 | let aliases_str = slang::IterExt::reduce(to_rm.iter() [INFO] [stdout] 78 | .map(|v| format!("'{}'", v)), |a, b| format!("{} {}", a, b)).unwrap(); // We checked is_empty [INFO] [stdout] | [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 77 | let aliases_str = Iterator::reduce(to_rm.iter() [INFO] [stdout] 78 | .map(|v| format!("'{}'", v)), |a, b| format!("{} {}", a, b)).unwrap(); // We checked is_empty [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> src/app.rs:79:6 [INFO] [stdout] | [INFO] [stdout] 79 | .reduce(|a, b| format!("{} {}", a, b)).unwrap(); // We checked is_empty [INFO] [stdout] | ^^^^^^ multiple `reduce` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in an impl of the trait `slang::IterExt` for the type `Me` [INFO] [stdout] --> src/slang.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | fn reduce (mut self, f :impl FnMut(T, T) -> T) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `std::iter::Map` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 77 | let aliases_str = slang::IterExt::reduce(to_rm.iter() [INFO] [stdout] 78 | .map(|v| format!("'{}'", v)), |a, b| format!("{} {}", a, b)).unwrap(); // We checked is_empty [INFO] [stdout] | [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 77 | let aliases_str = Iterator::reduce(to_rm.iter() [INFO] [stdout] 78 | .map(|v| format!("'{}'", v)), |a, b| format!("{} {}", a, b)).unwrap(); // We checked is_empty [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] error: could not compile `switchable` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "cb813a5caac3d9a402c5119274d0cf8960ee7140c31ef06936317ba1f25a4d59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb813a5caac3d9a402c5119274d0cf8960ee7140c31ef06936317ba1f25a4d59", kill_on_drop: false }` [INFO] [stdout] cb813a5caac3d9a402c5119274d0cf8960ee7140c31ef06936317ba1f25a4d59