[INFO] cloning repository https://github.com/calumleslie/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calumleslie/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalumleslie%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalumleslie%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a98173179f42075e55180be37fe0d47d0e25bc85
[INFO] checking calumleslie/advent-of-code against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalumleslie%2Fadvent-of-code" "/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/calumleslie/advent-of-code on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/calumleslie/advent-of-code
[INFO] finished tweaking git repo https://github.com/calumleslie/advent-of-code
[INFO] tweaked toml for git repo https://github.com/calumleslie/advent-of-code written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/calumleslie/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] c1e921315b82c3fc44c174f75f5b6c7c32104c114ff605270c0efb15c3a9c313
[INFO] running `Command { std: "docker" "start" "-a" "c1e921315b82c3fc44c174f75f5b6c7c32104c114ff605270c0efb15c3a9c313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e921315b82c3fc44c174f75f5b6c7c32104c114ff605270c0efb15c3a9c313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e921315b82c3fc44c174f75f5b6c7c32104c114ff605270c0efb15c3a9c313", kill_on_drop: false }`
[INFO] [stdout] c1e921315b82c3fc44c174f75f5b6c7c32104c114ff605270c0efb15c3a9c313
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc38e52abbf1101158fed1540ce04f395160c57af3b98002858740e6e17c729
[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" "1dc38e52abbf1101158fed1540ce04f395160c57af3b98002858740e6e17c729", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day1.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn read_file() -> Result<Vec<i32>, Box<Error>> {
[INFO] [stdout]   |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day1.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn part1() -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day1.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn part2() -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day2.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn part1() -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day2.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn part2() -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day3.rs:73:42
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn read_file() -> Result<Vec<Claim>, Box<Error>> {
[INFO] [stdout]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day3.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn part1() -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day3.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn part2() -> Result<Claim, Box<Error>> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:37:51
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn from_line(line: &str) -> Result<Entry, Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:90:46
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn read_timeline() -> Result<Vec<Entry>, Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/day4.rs:133:33
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn make_minutes_map(spans: &mut Iterator<Item = &SleepSpan>) -> HashMap<(Guard, Minute), u32> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &SleepSpan>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/day4.rs:144:35
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn part1() -> Result<u32, Box<Error>> {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/day4.rs:186:35
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn part2() -> Result<u32, Box<Error>> {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day5.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn part1() -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day5.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn part2() -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day1.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn read_file() -> Result<Vec<i32>, Box<Error>> {
[INFO] [stdout]   |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day1.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn part1() -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day1.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn part2() -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day2.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn part1() -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day2.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn part2() -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day3.rs:73:42
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn read_file() -> Result<Vec<Claim>, Box<Error>> {
[INFO] [stdout]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day3.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn part1() -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day3.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn part2() -> Result<Claim, Box<Error>> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:37:51
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn from_line(line: &str) -> Result<Entry, Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:90:46
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn read_timeline() -> Result<Vec<Entry>, Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/day4.rs:133:33
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn make_minutes_map(spans: &mut Iterator<Item = &SleepSpan>) -> HashMap<(Guard, Minute), u32> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &SleepSpan>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/day4.rs:144:35
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn part1() -> Result<u32, Box<Error>> {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/day4.rs:186:35
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn part2() -> Result<u32, Box<Error>> {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day5.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn part1() -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day5.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn part2() -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1dc38e52abbf1101158fed1540ce04f395160c57af3b98002858740e6e17c729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc38e52abbf1101158fed1540ce04f395160c57af3b98002858740e6e17c729", kill_on_drop: false }`
[INFO] [stdout] 1dc38e52abbf1101158fed1540ce04f395160c57af3b98002858740e6e17c729