[INFO] cloning repository https://github.com/neoeinstein/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neoeinstein/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ab1f91284b8b68ea1220674b17f0e1764869820
[INFO] checking neoeinstein/advent-of-code-2019 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neoeinstein/advent-of-code-2019 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neoeinstein/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/neoeinstein/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/neoeinstein/advent-of-code-2019 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/neoeinstein/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef0124d4714126245384364d028ae9b948dcd5999ee9244f8ccfc9b4fe840b02
[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" "ef0124d4714126245384364d028ae9b948dcd5999ee9244f8ccfc9b4fe840b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef0124d4714126245384364d028ae9b948dcd5999ee9244f8ccfc9b4fe840b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0124d4714126245384364d028ae9b948dcd5999ee9244f8ccfc9b4fe840b02", kill_on_drop: false }`
[INFO] [stdout] ef0124d4714126245384364d028ae9b948dcd5999ee9244f8ccfc9b4fe840b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a95889ea9c609e6887b3b5d9079872e09c650831b1a1b4d3403bf64c5bed791e
[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" "a95889ea9c609e6887b3b5d9079872e09c650831b1a1b4d3403bf64c5bed791e", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.7
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[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.5.3
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[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking clap v2.33.0
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[INFO] [stderr]     Checking petgraph v0.4.13
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[INFO] [stderr]     Checking csv-core v0.1.6
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[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking csv v1.1.1
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[INFO] [stderr]    Compiling tokio-macros v0.2.0
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[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
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[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking snafu v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking intcode v0.1.0 (/opt/rustwide/workdir/intcode)
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Checking advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/day04.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     (values[0]..=values[1])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/day04.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     (values[0]..=values[1])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/day06.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 std::mem::replace(&mut current, n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/day06.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 std::mem::replace(&mut current, n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "a95889ea9c609e6887b3b5d9079872e09c650831b1a1b4d3403bf64c5bed791e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95889ea9c609e6887b3b5d9079872e09c650831b1a1b4d3403bf64c5bed791e", kill_on_drop: false }`
[INFO] [stdout] a95889ea9c609e6887b3b5d9079872e09c650831b1a1b4d3403bf64c5bed791e