[INFO] cloning repository https://github.com/joshgarnett/adventofcode2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshgarnett/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshgarnett%2Fadventofcode2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshgarnett%2Fadventofcode2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de39199d75408ca8a51dde3b17da7c0e21e57a2a [INFO] checking joshgarnett/adventofcode2018 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshgarnett%2Fadventofcode2018" "/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/joshgarnett/adventofcode2018 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joshgarnett/adventofcode2018 [INFO] finished tweaking git repo https://github.com/joshgarnett/adventofcode2018 [INFO] tweaked toml for git repo https://github.com/joshgarnett/adventofcode2018 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/joshgarnett/adventofcode2018 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d2644a4d7956c93db3255c3e2ef48840a63d58f9fb73a288f4ea48156741190 [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" "0d2644a4d7956c93db3255c3e2ef48840a63d58f9fb73a288f4ea48156741190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d2644a4d7956c93db3255c3e2ef48840a63d58f9fb73a288f4ea48156741190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d2644a4d7956c93db3255c3e2ef48840a63d58f9fb73a288f4ea48156741190", kill_on_drop: false }` [INFO] [stdout] 0d2644a4d7956c93db3255c3e2ef48840a63d58f9fb73a288f4ea48156741190 [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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e305c405436c5c3b31acca10ea2f59e7aaf851752656daace2c9e4c05ed6daec [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" "e305c405436c5c3b31acca10ea2f59e7aaf851752656daace2c9e4c05ed6daec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking advent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8/mod.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut data = line.unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8/mod.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut data = line.unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:17:44 [INFO] [stdout] | [INFO] [stdout] 17 | fn time(name: &str, filename: &str, f: &Fn(&str) -> T) where T: std::fmt::Debug { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T` [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/main.rs:23:36 [INFO] [stdout] | [INFO] [stdout] 23 | fn time_no_file(name: &str, f: &Fn() -> T) where T: std::fmt::Debug { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T` [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] --> src/main.rs:17:44 [INFO] [stdout] | [INFO] [stdout] 17 | fn time(name: &str, filename: &str, f: &Fn(&str) -> T) where T: std::fmt::Debug { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T` [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/main.rs:23:36 [INFO] [stdout] | [INFO] [stdout] 23 | fn time_no_file(name: &str, f: &Fn() -> T) where T: std::fmt::Debug { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T` [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.57s [INFO] running `Command { std: "docker" "inspect" "e305c405436c5c3b31acca10ea2f59e7aaf851752656daace2c9e4c05ed6daec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e305c405436c5c3b31acca10ea2f59e7aaf851752656daace2c9e4c05ed6daec", kill_on_drop: false }` [INFO] [stdout] e305c405436c5c3b31acca10ea2f59e7aaf851752656daace2c9e4c05ed6daec