[INFO] cloning repository https://github.com/risboo6909/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/risboo6909/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisboo6909%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisboo6909%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca565fcdb401ac2e736693b78be702b7deb97bc6 [INFO] building risboo6909/aoc2020 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisboo6909%2Faoc2020" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/risboo6909/aoc2020 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/risboo6909/aoc2020 [INFO] finished tweaking git repo https://github.com/risboo6909/aoc2020 [INFO] tweaked toml for git repo https://github.com/risboo6909/aoc2020 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/risboo6909/aoc2020 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7f09702200544385f370dd5b0b10219176b57f37bd7213bb12bfdee76184850 [INFO] running `Command { std: "docker" "start" "-a" "d7f09702200544385f370dd5b0b10219176b57f37bd7213bb12bfdee76184850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7f09702200544385f370dd5b0b10219176b57f37bd7213bb12bfdee76184850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7f09702200544385f370dd5b0b10219176b57f37bd7213bb12bfdee76184850", kill_on_drop: false }` [INFO] [stdout] d7f09702200544385f370dd5b0b10219176b57f37bd7213bb12bfdee76184850 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9fd2f14e475032aa13ca622ca31222e97af2cdfdc4fccae7349bac6616e4123a [INFO] running `Command { std: "docker" "start" "-a" "9fd2f14e475032aa13ca622ca31222e97af2cdfdc4fccae7349bac6616e4123a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling weezl v0.1.4 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling object v0.23.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling addr2line v0.14.1 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling gif v0.11.1 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling backtrace v0.3.56 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling bytemuck v1.5.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling prefix-tree v0.5.0 [INFO] [stderr] Compiling permutohedron v0.2.4 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Compiling image v0.23.13 [INFO] [stderr] Compiling problems v0.1.0 (/opt/rustwide/workdir/problems) [INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> problems/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_option)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> problems/src/problem13/mod.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | fn parse(input_raw: &str) -> Result { [INFO] [stdout] | ^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 94 | fn parse(input_raw: &str) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.22s [INFO] running `Command { std: "docker" "inspect" "9fd2f14e475032aa13ca622ca31222e97af2cdfdc4fccae7349bac6616e4123a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fd2f14e475032aa13ca622ca31222e97af2cdfdc4fccae7349bac6616e4123a", kill_on_drop: false }` [INFO] [stdout] 9fd2f14e475032aa13ca622ca31222e97af2cdfdc4fccae7349bac6616e4123a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53e9e1322010b16ead4394355ff81fd4e42137af09972cfae24468696aaecd9f [INFO] running `Command { std: "docker" "start" "-a" "53e9e1322010b16ead4394355ff81fd4e42137af09972cfae24468696aaecd9f", kill_on_drop: false }` [INFO] [stderr] Compiling utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Compiling problems v0.1.0 (/opt/rustwide/workdir/problems) [INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> problems/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_option)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> problems/src/problem13/mod.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | fn parse(input_raw: &str) -> Result { [INFO] [stdout] | ^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 94 | fn parse(input_raw: &str) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.66s [INFO] running `Command { std: "docker" "inspect" "53e9e1322010b16ead4394355ff81fd4e42137af09972cfae24468696aaecd9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53e9e1322010b16ead4394355ff81fd4e42137af09972cfae24468696aaecd9f", kill_on_drop: false }` [INFO] [stdout] 53e9e1322010b16ead4394355ff81fd4e42137af09972cfae24468696aaecd9f