[INFO] cloning repository https://github.com/MaartenStaa/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaartenStaa/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0784923099a9ca52f99fb530da338af0a3ff9859
[INFO] checking MaartenStaa/advent-of-code-2020 against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaartenStaa/advent-of-code-2020 on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaartenStaa/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/MaartenStaa/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/MaartenStaa/advent-of-code-2020 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MaartenStaa/advent-of-code-2020 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" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f15cac9f3daa57179b67d735b9f9f63921f0b8862eb458156e594ec2530592d3
[INFO] running `Command { std: "docker" "start" "-a" "f15cac9f3daa57179b67d735b9f9f63921f0b8862eb458156e594ec2530592d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15cac9f3daa57179b67d735b9f9f63921f0b8862eb458156e594ec2530592d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15cac9f3daa57179b67d735b9f9f63921f0b8862eb458156e594ec2530592d3", kill_on_drop: false }`
[INFO] [stdout] f15cac9f3daa57179b67d735b9f9f63921f0b8862eb458156e594ec2530592d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b858eedb3446eed55aabebfb29fe6bad63af135fa9d51fcd45901d0bd3050a
[INFO] running `Command { std: "docker" "start" "-a" "75b858eedb3446eed55aabebfb29fe6bad63af135fa9d51fcd45901d0bd3050a", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking day1-1 v0.1.0 (/opt/rustwide/workdir/day1-1)
[INFO] [stderr]     Checking day3-1 v0.1.0 (/opt/rustwide/workdir/day3-1)
[INFO] [stderr]     Checking day3-2 v0.1.0 (/opt/rustwide/workdir/day3-2)
[INFO] [stderr]     Checking day1-2 v0.1.0 (/opt/rustwide/workdir/day1-2)
[INFO] [stderr]     Checking day4-1 v0.1.0 (/opt/rustwide/workdir/day4-1)
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> day4-1/src/split.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     fn split_by<F>(self, f: F) -> SplitIterator<Self, F>
[INFO] [stdout] 13 | |     where
[INFO] [stdout] 14 | |         Self: Sized,
[INFO] [stdout] 15 | |         F: FnMut(T) -> bool,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]   --> day4-1/src/split.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<'a, I: Iterator, F> Iterator for SplitIterator<I, F>
[INFO] [stdout]    |      ^^ unconstrained lifetime parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> day4-1/src/split.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     fn split_by<F>(self, f: F) -> SplitIterator<Self, F>
[INFO] [stdout] 13 | |     where
[INFO] [stdout] 14 | |         Self: Sized,
[INFO] [stdout] 15 | |         F: FnMut(T) -> bool,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]   --> day4-1/src/split.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<'a, I: Iterator, F> Iterator for SplitIterator<I, F>
[INFO] [stdout]    |      ^^ unconstrained lifetime parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0309]: the associated type `<I as Iterator>::Item` may not live long enough
[INFO] [stdout]   --> day4-1/src/split.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<'a, I: Iterator, F> Iterator for SplitIterator<I, F>
[INFO] [stdout]    |      -- the associated type `<I as Iterator>::Item` must be valid for the lifetime `'a` as defined here...
[INFO] [stdout] ...
[INFO] [stdout] 36 |     type Item = Vec<&'a I::Item>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ ...so that the reference type `&'a <I as Iterator>::Item` does not outlive the data it points at
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 36 |     type Item = Vec<&'a I::Item> where <I as Iterator>::Item: 'a;
[INFO] [stdout]    |                                  +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0309]: the associated type `<I as Iterator>::Item` may not live long enough
[INFO] [stdout]   --> day4-1/src/split.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<'a, I: Iterator, F> Iterator for SplitIterator<I, F>
[INFO] [stdout]    |      -- the associated type `<I as Iterator>::Item` must be valid for the lifetime `'a` as defined here...
[INFO] [stdout] ...
[INFO] [stdout] 36 |     type Item = Vec<&'a I::Item>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ ...so that the reference type `&'a <I as Iterator>::Item` does not outlive the data it points at
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 36 |     type Item = Vec<&'a I::Item> where <I as Iterator>::Item: 'a;
[INFO] [stdout]    |                                  +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_by` found for struct `std::str::Lines` in the current scope
[INFO] [stdout]   --> day4-1/src/main.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     input.lines().split_by(|line| line.is_empty())
[INFO] [stdout]    |                   ^^^^^^^^ method not found in `Lines<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `SplitBy` defines an item `split_by`, perhaps you need to implement it
[INFO] [stdout]   --> day4-1/src/split.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub trait SplitBy<T>: Iterator {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_by` found for struct `std::str::Lines` in the current scope
[INFO] [stdout]   --> day4-1/src/main.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     input.lines().split_by(|line| line.is_empty())
[INFO] [stdout]    |                   ^^^^^^^^ method not found in `Lines<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `SplitBy` defines an item `split_by`, perhaps you need to implement it
[INFO] [stdout]   --> day4-1/src/split.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub trait SplitBy<T>: Iterator {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `item` does not live long enough
[INFO] [stdout]   --> day4-1/src/split.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |         while let Some(item) = self.iter.next() {
[INFO] [stdout]    |                        ---- binding `item` declared here
[INFO] [stdout] 42 |             if !(self.f)(&item) {
[INFO] [stdout] 43 |                 result.push(&item);
[INFO] [stdout]    |                             ^^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 47 |         }
[INFO] [stdout]    |         - `item` dropped here while still borrowed
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |         if !result.is_empty() {
[INFO] [stdout]    |             ------ borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `item` does not live long enough
[INFO] [stdout]   --> day4-1/src/split.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |         while let Some(item) = self.iter.next() {
[INFO] [stdout]    |                        ---- binding `item` declared here
[INFO] [stdout] 42 |             if !(self.f)(&item) {
[INFO] [stdout] 43 |                 result.push(&item);
[INFO] [stdout]    |                             ^^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 47 |         }
[INFO] [stdout]    |         - `item` dropped here while still borrowed
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |         if !result.is_empty() {
[INFO] [stdout]    |             ------ borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0207, E0309, E0597, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0207`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0207, E0309, E0597, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0207`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day4-1` (bin "day4-1" test) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `day4-1` (bin "day4-1") due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "75b858eedb3446eed55aabebfb29fe6bad63af135fa9d51fcd45901d0bd3050a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b858eedb3446eed55aabebfb29fe6bad63af135fa9d51fcd45901d0bd3050a", kill_on_drop: false }`
[INFO] [stdout] 75b858eedb3446eed55aabebfb29fe6bad63af135fa9d51fcd45901d0bd3050a