[INFO] cloning repository https://github.com/jfro/AoC2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfro/AoC2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfro%2FAoC2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfro%2FAoC2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdc44137117b5048ff77afc811cf1a422e6e813c
[INFO] checking jfro/AoC2018 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfro%2FAoC2018" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfro/AoC2018 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jfro/AoC2018
[INFO] finished tweaking git repo https://github.com/jfro/AoC2018
[INFO] tweaked toml for git repo https://github.com/jfro/AoC2018 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jfro/AoC2018 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded failure_derive v0.1.3
[INFO] [stderr]   Downloaded term v0.5.1
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[INFO] [stderr]   Downloaded rand v0.4.3
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[INFO] [stderr]   Downloaded handlebars v0.32.4
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded ryu v0.2.7
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[INFO] [stderr]   Downloaded criterion v0.2.5
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[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488ff6c856ef4d2348444153a00bfced0085967faa56c6617a932a34c3b465dc
[INFO] running `Command { std: "docker" "start" "-a" "488ff6c856ef4d2348444153a00bfced0085967faa56c6617a932a34c3b465dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488ff6c856ef4d2348444153a00bfced0085967faa56c6617a932a34c3b465dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488ff6c856ef4d2348444153a00bfced0085967faa56c6617a932a34c3b465dc", kill_on_drop: false }`
[INFO] [stdout] 488ff6c856ef4d2348444153a00bfced0085967faa56c6617a932a34c3b465dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddaa54c5413d38abb3d98ed99171be04f46a64557f8bdc2ff566c103b7a5f14c
[INFO] running `Command { std: "docker" "start" "-a" "ddaa54c5413d38abb3d98ed99171be04f46a64557f8bdc2ff566c103b7a5f14c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `year`, `month`, and `day` are never read
[INFO] [stdout]   --> src/days/day4.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Date {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 16 |     year: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     month: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     day: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Date` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `date` is never read
[INFO] [stdout]   --> src/days/day4.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct GuardEvent {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 29 |     date: Date,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GuardEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stdout] warning: fields `year`, `month`, and `day` are never read
[INFO] [stdout]   --> src/days/day4.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Date {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 16 |     year: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     month: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     day: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Date` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `date` is never read
[INFO] [stdout]   --> src/days/day4.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct GuardEvent {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 29 |     date: Date,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GuardEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "ddaa54c5413d38abb3d98ed99171be04f46a64557f8bdc2ff566c103b7a5f14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaa54c5413d38abb3d98ed99171be04f46a64557f8bdc2ff566c103b7a5f14c", kill_on_drop: false }`
[INFO] [stdout] ddaa54c5413d38abb3d98ed99171be04f46a64557f8bdc2ff566c103b7a5f14c