[INFO] cloning repository https://github.com/marionebl/rust-by-example-exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marionebl/rust-by-example-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarionebl%2Frust-by-example-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarionebl%2Frust-by-example-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b22ea9a4d0448f54fdbc20b0d014f13f44ae816e [INFO] checking marionebl/rust-by-example-exercises against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarionebl%2Frust-by-example-exercises" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marionebl/rust-by-example-exercises on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/marionebl/rust-by-example-exercises [INFO] finished tweaking git repo https://github.com/marionebl/rust-by-example-exercises [INFO] tweaked toml for git repo https://github.com/marionebl/rust-by-example-exercises written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/marionebl/rust-by-example-exercises already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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] b2be762d60bfbf50b56db97dc0b1f35aae1cf81c74bc74a490cdbd27bd1f0ce8 [INFO] running `Command { std: "docker" "start" "-a" "b2be762d60bfbf50b56db97dc0b1f35aae1cf81c74bc74a490cdbd27bd1f0ce8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2be762d60bfbf50b56db97dc0b1f35aae1cf81c74bc74a490cdbd27bd1f0ce8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2be762d60bfbf50b56db97dc0b1f35aae1cf81c74bc74a490cdbd27bd1f0ce8", kill_on_drop: false }` [INFO] [stdout] b2be762d60bfbf50b56db97dc0b1f35aae1cf81c74bc74a490cdbd27bd1f0ce8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74a2bac7d2ff310d06a9fcc4f0ac9b462582ebcfb335dea4269602d4dba391b7 [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" "74a2bac7d2ff310d06a9fcc4f0ac9b462582ebcfb335dea4269602d4dba391b7", kill_on_drop: false }` [INFO] [stderr] Checking rust-by-example-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected item, found `36` [INFO] [stdout] --> src/bin/13-5-2-generic-bounds-multiple.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | 36 [INFO] [stdout] | ^^ expected item [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-by-example-exercises` [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] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/bin/13-8-2-generic-associated-types.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | fn contains(&self, &Self::A, &Self::B) -> bool; [INFO] [stdout] | ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::A` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` 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 the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/bin/13-8-2-generic-associated-types.rs:7:34 [INFO] [stdout] | [INFO] [stdout] 7 | fn contains(&self, &Self::A, &Self::B) -> bool; [INFO] [stdout] | ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::B` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/9-2-5-closures-as-output.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | fn create_fn() -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fn()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/9-2-5-closures-as-output.rs:14:26 [INFO] [stdout] | [INFO] [stdout] 14 | fn create_fnmut() -> Box { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn FnMut()` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/bin/9-2-6-closures-std-lib-iterator-find.rs:15:47 [INFO] [stdout] | [INFO] [stdout] 15 | println!("Find 2 in array2: {:?}", array2.into_iter().find(|&&x| x == 2)); [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` 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 #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "74a2bac7d2ff310d06a9fcc4f0ac9b462582ebcfb335dea4269602d4dba391b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74a2bac7d2ff310d06a9fcc4f0ac9b462582ebcfb335dea4269602d4dba391b7", kill_on_drop: false }` [INFO] [stdout] 74a2bac7d2ff310d06a9fcc4f0ac9b462582ebcfb335dea4269602d4dba391b7