[INFO] cloning repository https://github.com/hulthe/aoc_2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hulthe/aoc_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulthe%2Faoc_2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulthe%2Faoc_2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9c115ce01e7bb956d97725df75e5fd43b351c2c7 [INFO] checking hulthe/aoc_2018 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulthe%2Faoc_2018" "/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/hulthe/aoc_2018 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hulthe/aoc_2018 [INFO] finished tweaking git repo https://github.com/hulthe/aoc_2018 [INFO] tweaked toml for git repo https://github.com/hulthe/aoc_2018 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/hulthe/aoc_2018 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a295df9cb857d13d4c91888411aff25da256b896e660c40203a3d9c0a868e6c [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" "2a295df9cb857d13d4c91888411aff25da256b896e660c40203a3d9c0a868e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a295df9cb857d13d4c91888411aff25da256b896e660c40203a3d9c0a868e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a295df9cb857d13d4c91888411aff25da256b896e660c40203a3d9c0a868e6c", kill_on_drop: false }` [INFO] [stdout] 2a295df9cb857d13d4c91888411aff25da256b896e660c40203a3d9c0a868e6c [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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5fbb7a8f49d400d126ec6f99891ad2013f400d4acbb5482e28ccb98531bf77ea [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" "5fbb7a8f49d400d126ec6f99891ad2013f400d4acbb5482e28ccb98531bf77ea", kill_on_drop: false }` [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking aoc_base v0.1.0 (/opt/rustwide/workdir/aoc_base) [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> aoc_base/src/lib.rs:8:46 [INFO] [stdout] | [INFO] [stdout] 8 | fn task_a(input: &str) -> Result>; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] --> aoc_base/src/lib.rs:9:46 [INFO] [stdout] | [INFO] [stdout] 9 | fn task_b(input: &str) -> Result>; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] [stderr] Compiling encoding_rs v0.8.13 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking binary-heap-plus v0.1.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking aoc_2018_day12 v0.1.0 (/opt/rustwide/workdir/day12) [INFO] [stderr] Checking aoc_2018_day09 v0.1.0 (/opt/rustwide/workdir/day09) [INFO] [stderr] Checking aoc_2018_day01 v0.1.0 (/opt/rustwide/workdir/day01) [INFO] [stderr] Checking aoc_2018_day10 v0.1.0 (/opt/rustwide/workdir/day10) [INFO] [stderr] Checking aoc_2018_day02 v0.1.0 (/opt/rustwide/workdir/day02) [INFO] [stderr] Checking aoc_2018_day08 v0.1.0 (/opt/rustwide/workdir/day08) [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> day12/src/lib.rs:92:47 [INFO] [stdout] | [INFO] [stdout] 92 | fn task_a(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] --> day12/src/lib.rs:96:47 [INFO] [stdout] | [INFO] [stdout] 96 | fn task_b(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> day09/src/lib.rs:26:59 [INFO] [stdout] | [INFO] [stdout] 26 | fn parse_input(input: &str) -> Result<(usize, usize), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] --> day09/src/lib.rs:59:49 [INFO] [stdout] | [INFO] [stdout] 59 | fn task_a(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> day09/src/lib.rs:64:49 [INFO] [stdout] | [INFO] [stdout] 64 | fn task_b(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] [stderr] Checking regex-syntax v0.6.4 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> day10/src/lib.rs:123:50 [INFO] [stdout] | [INFO] [stdout] 123 | fn task_a(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] --> day10/src/lib.rs:128:47 [INFO] [stdout] | [INFO] [stdout] 128 | fn task_b(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> day02/src/lib.rs:9:48 [INFO] [stdout] | [INFO] [stdout] 9 | fn task_a(inputs: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] --> day02/src/lib.rs:41:48 [INFO] [stdout] | [INFO] [stdout] 41 | fn task_b(ids: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> day01/src/lib.rs:17:47 [INFO] [stdout] | [INFO] [stdout] 17 | fn task_a(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] --> day01/src/lib.rs:24:47 [INFO] [stdout] | [INFO] [stdout] 24 | fn task_b(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> day02/src/lib.rs:61:34 [INFO] [stdout] | [INFO] [stdout] 61 | let mut id = String::from(s1.as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^ cannot infer type for reference `&_` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `String: From<&_>` [INFO] [stdout] = note: required by `from` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pest v2.0.2 [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError` [INFO] [stdout] --> day08/src/tree.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::option::NoneError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ no `NoneError` in `option` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc_2018_day02` [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> day08/src/lib.rs:13:49 [INFO] [stdout] | [INFO] [stdout] 13 | fn task_a(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] --> day08/src/lib.rs:20:49 [INFO] [stdout] | [INFO] [stdout] 20 | fn task_b(input: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> day08/src/tree.rs:47:45 [INFO] [stdout] | [INFO] [stdout] 43 | / fn rec_parse<'a, 'b, I>(iter: &'a mut I) -> Result [INFO] [stdout] 44 | | where I: Iterator, [INFO] [stdout] 45 | | 'b: 'a, [INFO] [stdout] 46 | | { [INFO] [stdout] 47 | | let child_count: usize = iter.next()?.parse()?; [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `Result` [INFO] [stdout] ... | [INFO] [stdout] 59 | | }) [INFO] [stdout] 60 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> day08/src/tree.rs:48:44 [INFO] [stdout] | [INFO] [stdout] 43 | / fn rec_parse<'a, 'b, I>(iter: &'a mut I) -> Result [INFO] [stdout] 44 | | where I: Iterator, [INFO] [stdout] 45 | | 'b: 'a, [INFO] [stdout] 46 | | { [INFO] [stdout] 47 | | let child_count: usize = iter.next()?.parse()?; [INFO] [stdout] 48 | | let meta_count: usize = iter.next()?.parse()?; [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `Result` [INFO] [stdout] ... | [INFO] [stdout] 59 | | }) [INFO] [stdout] 60 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> day08/src/tree.rs:54:59 [INFO] [stdout] | [INFO] [stdout] 43 | / fn rec_parse<'a, 'b, I>(iter: &'a mut I) -> Result [INFO] [stdout] 44 | | where I: Iterator, [INFO] [stdout] 45 | | 'b: 'a, [INFO] [stdout] 46 | | { [INFO] [stdout] ... | [INFO] [stdout] 54 | | .collect::>>()??; [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `Result` [INFO] [stdout] ... | [INFO] [stdout] 59 | | }) [INFO] [stdout] 60 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0432. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5fbb7a8f49d400d126ec6f99891ad2013f400d4acbb5482e28ccb98531bf77ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fbb7a8f49d400d126ec6f99891ad2013f400d4acbb5482e28ccb98531bf77ea", kill_on_drop: false }` [INFO] [stdout] 5fbb7a8f49d400d126ec6f99891ad2013f400d4acbb5482e28ccb98531bf77ea