[INFO] cloning repository https://github.com/tonygoold/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonygoold/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonygoold%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonygoold%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e54c1e44411f57adb7118f4826bf3107008d81
[INFO] building tonygoold/AdventOfCode2020 against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonygoold%2FAdventOfCode2020" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tonygoold/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/tonygoold/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/tonygoold/AdventOfCode2020 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tonygoold/AdventOfCode2020 on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tonygoold/AdventOfCode2020 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" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graphlib v0.6.2
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded ahash v0.2.19
[INFO] [stderr]   Downloaded hashbrown v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76fadb585cd4799fdfe9596a6b4cd6b5084a7d6232374b524dce4ecddb6b4b69
[INFO] running `Command { std: "docker" "start" "-a" "76fadb585cd4799fdfe9596a6b4cd6b5084a7d6232374b524dce4ecddb6b4b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76fadb585cd4799fdfe9596a6b4cd6b5084a7d6232374b524dce4ecddb6b4b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76fadb585cd4799fdfe9596a6b4cd6b5084a7d6232374b524dce4ecddb6b4b69", kill_on_drop: false }`
[INFO] [stdout] 76fadb585cd4799fdfe9596a6b4cd6b5084a7d6232374b524dce4ecddb6b4b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae26f17c3d7d275e7a59e7b1bee78bced50bceac8ca3b0023677832e0a0c79f8
[INFO] running `Command { std: "docker" "start" "-a" "ae26f17c3d7d275e7a59e7b1bee78bced50bceac8ca3b0023677832e0a0c79f8", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day02 v0.1.0 (/opt/rustwide/workdir/day02)` has the same output filename as the bin target `a` in package `day01 v0.1.0 (/opt/rustwide/workdir/day01)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day02 v0.1.0 (/opt/rustwide/workdir/day02)` has the same output filename as the bin target `a` in package `day01 v0.1.0 (/opt/rustwide/workdir/day01)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day02 v0.1.0 (/opt/rustwide/workdir/day02)` has the same output filename as the bin target `b` in package `day01 v0.1.0 (/opt/rustwide/workdir/day01)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day02 v0.1.0 (/opt/rustwide/workdir/day02)` has the same output filename as the bin target `b` in package `day01 v0.1.0 (/opt/rustwide/workdir/day01)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day03 v0.1.0 (/opt/rustwide/workdir/day03)` has the same output filename as the bin target `a` in package `day02 v0.1.0 (/opt/rustwide/workdir/day02)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day03 v0.1.0 (/opt/rustwide/workdir/day03)` has the same output filename as the bin target `a` in package `day02 v0.1.0 (/opt/rustwide/workdir/day02)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day03 v0.1.0 (/opt/rustwide/workdir/day03)` has the same output filename as the bin target `b` in package `day02 v0.1.0 (/opt/rustwide/workdir/day02)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day03 v0.1.0 (/opt/rustwide/workdir/day03)` has the same output filename as the bin target `b` in package `day02 v0.1.0 (/opt/rustwide/workdir/day02)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day04 v0.1.0 (/opt/rustwide/workdir/day04)` has the same output filename as the bin target `a` in package `day03 v0.1.0 (/opt/rustwide/workdir/day03)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day04 v0.1.0 (/opt/rustwide/workdir/day04)` has the same output filename as the bin target `a` in package `day03 v0.1.0 (/opt/rustwide/workdir/day03)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day04 v0.1.0 (/opt/rustwide/workdir/day04)` has the same output filename as the bin target `b` in package `day03 v0.1.0 (/opt/rustwide/workdir/day03)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day04 v0.1.0 (/opt/rustwide/workdir/day04)` has the same output filename as the bin target `b` in package `day03 v0.1.0 (/opt/rustwide/workdir/day03)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day05 v0.1.0 (/opt/rustwide/workdir/day05)` has the same output filename as the bin target `a` in package `day04 v0.1.0 (/opt/rustwide/workdir/day04)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day05 v0.1.0 (/opt/rustwide/workdir/day05)` has the same output filename as the bin target `a` in package `day04 v0.1.0 (/opt/rustwide/workdir/day04)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day05 v0.1.0 (/opt/rustwide/workdir/day05)` has the same output filename as the bin target `b` in package `day04 v0.1.0 (/opt/rustwide/workdir/day04)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day05 v0.1.0 (/opt/rustwide/workdir/day05)` has the same output filename as the bin target `b` in package `day04 v0.1.0 (/opt/rustwide/workdir/day04)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day06 v0.1.0 (/opt/rustwide/workdir/day06)` has the same output filename as the bin target `a` in package `day05 v0.1.0 (/opt/rustwide/workdir/day05)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day06 v0.1.0 (/opt/rustwide/workdir/day06)` has the same output filename as the bin target `a` in package `day05 v0.1.0 (/opt/rustwide/workdir/day05)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day06 v0.1.0 (/opt/rustwide/workdir/day06)` has the same output filename as the bin target `b` in package `day05 v0.1.0 (/opt/rustwide/workdir/day05)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day06 v0.1.0 (/opt/rustwide/workdir/day06)` has the same output filename as the bin target `b` in package `day05 v0.1.0 (/opt/rustwide/workdir/day05)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day07 v0.1.0 (/opt/rustwide/workdir/day07)` has the same output filename as the bin target `a` in package `day06 v0.1.0 (/opt/rustwide/workdir/day06)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day07 v0.1.0 (/opt/rustwide/workdir/day07)` has the same output filename as the bin target `a` in package `day06 v0.1.0 (/opt/rustwide/workdir/day06)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day07 v0.1.0 (/opt/rustwide/workdir/day07)` has the same output filename as the bin target `b` in package `day06 v0.1.0 (/opt/rustwide/workdir/day06)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day07 v0.1.0 (/opt/rustwide/workdir/day07)` has the same output filename as the bin target `b` in package `day06 v0.1.0 (/opt/rustwide/workdir/day06)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day08 v0.1.0 (/opt/rustwide/workdir/day08)` has the same output filename as the bin target `a` in package `day07 v0.1.0 (/opt/rustwide/workdir/day07)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day08 v0.1.0 (/opt/rustwide/workdir/day08)` has the same output filename as the bin target `a` in package `day07 v0.1.0 (/opt/rustwide/workdir/day07)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day08 v0.1.0 (/opt/rustwide/workdir/day08)` has the same output filename as the bin target `b` in package `day07 v0.1.0 (/opt/rustwide/workdir/day07)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day08 v0.1.0 (/opt/rustwide/workdir/day08)` has the same output filename as the bin target `b` in package `day07 v0.1.0 (/opt/rustwide/workdir/day07)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day09 v0.1.0 (/opt/rustwide/workdir/day09)` has the same output filename as the bin target `a` in package `day08 v0.1.0 (/opt/rustwide/workdir/day08)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day09 v0.1.0 (/opt/rustwide/workdir/day09)` has the same output filename as the bin target `a` in package `day08 v0.1.0 (/opt/rustwide/workdir/day08)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day09 v0.1.0 (/opt/rustwide/workdir/day09)` has the same output filename as the bin target `b` in package `day08 v0.1.0 (/opt/rustwide/workdir/day08)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day09 v0.1.0 (/opt/rustwide/workdir/day09)` has the same output filename as the bin target `b` in package `day08 v0.1.0 (/opt/rustwide/workdir/day08)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day10 v0.1.0 (/opt/rustwide/workdir/day10)` has the same output filename as the bin target `a` in package `day09 v0.1.0 (/opt/rustwide/workdir/day09)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day10 v0.1.0 (/opt/rustwide/workdir/day10)` has the same output filename as the bin target `a` in package `day09 v0.1.0 (/opt/rustwide/workdir/day09)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day10 v0.1.0 (/opt/rustwide/workdir/day10)` has the same output filename as the bin target `b` in package `day09 v0.1.0 (/opt/rustwide/workdir/day09)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day10 v0.1.0 (/opt/rustwide/workdir/day10)` has the same output filename as the bin target `b` in package `day09 v0.1.0 (/opt/rustwide/workdir/day09)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day11 v0.1.0 (/opt/rustwide/workdir/day11)` has the same output filename as the bin target `a` in package `day10 v0.1.0 (/opt/rustwide/workdir/day10)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day11 v0.1.0 (/opt/rustwide/workdir/day11)` has the same output filename as the bin target `a` in package `day10 v0.1.0 (/opt/rustwide/workdir/day10)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day11 v0.1.0 (/opt/rustwide/workdir/day11)` has the same output filename as the bin target `b` in package `day10 v0.1.0 (/opt/rustwide/workdir/day10)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day11 v0.1.0 (/opt/rustwide/workdir/day11)` has the same output filename as the bin target `b` in package `day10 v0.1.0 (/opt/rustwide/workdir/day10)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day12 v0.1.0 (/opt/rustwide/workdir/day12)` has the same output filename as the bin target `a` in package `day11 v0.1.0 (/opt/rustwide/workdir/day11)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day12 v0.1.0 (/opt/rustwide/workdir/day12)` has the same output filename as the bin target `a` in package `day11 v0.1.0 (/opt/rustwide/workdir/day11)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day12 v0.1.0 (/opt/rustwide/workdir/day12)` has the same output filename as the bin target `b` in package `day11 v0.1.0 (/opt/rustwide/workdir/day11)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day12 v0.1.0 (/opt/rustwide/workdir/day12)` has the same output filename as the bin target `b` in package `day11 v0.1.0 (/opt/rustwide/workdir/day11)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day13 v0.1.0 (/opt/rustwide/workdir/day13)` has the same output filename as the bin target `a` in package `day12 v0.1.0 (/opt/rustwide/workdir/day12)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day13 v0.1.0 (/opt/rustwide/workdir/day13)` has the same output filename as the bin target `a` in package `day12 v0.1.0 (/opt/rustwide/workdir/day12)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day13 v0.1.0 (/opt/rustwide/workdir/day13)` has the same output filename as the bin target `b` in package `day12 v0.1.0 (/opt/rustwide/workdir/day12)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day13 v0.1.0 (/opt/rustwide/workdir/day13)` has the same output filename as the bin target `b` in package `day12 v0.1.0 (/opt/rustwide/workdir/day12)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day14 v0.1.0 (/opt/rustwide/workdir/day14)` has the same output filename as the bin target `a` in package `day13 v0.1.0 (/opt/rustwide/workdir/day13)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/a.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `a` in package `day14 v0.1.0 (/opt/rustwide/workdir/day14)` has the same output filename as the bin target `a` in package `day13 v0.1.0 (/opt/rustwide/workdir/day13)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day14 v0.1.0 (/opt/rustwide/workdir/day14)` has the same output filename as the bin target `b` in package `day13 v0.1.0 (/opt/rustwide/workdir/day13)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/b.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `b` in package `day14 v0.1.0 (/opt/rustwide/workdir/day14)` has the same output filename as the bin target `b` in package `day13 v0.1.0 (/opt/rustwide/workdir/day13)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ahash v0.2.19
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]    Compiling day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]    Compiling day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_isaac v0.2.0
[INFO] [stderr]    Compiling day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling graphlib v0.6.2
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]    Compiling day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]    Compiling day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]    Compiling day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> day08/src/bin/b.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 48 |   fn new(instructions: &'a mut Vec<Instruction>) -> Computer {
[INFO] [stdout]    |                         --                          ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 48 |   fn new(instructions: &'a mut Vec<Instruction>) -> Computer<'a> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "ae26f17c3d7d275e7a59e7b1bee78bced50bceac8ca3b0023677832e0a0c79f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae26f17c3d7d275e7a59e7b1bee78bced50bceac8ca3b0023677832e0a0c79f8", kill_on_drop: false }`
[INFO] [stdout] ae26f17c3d7d275e7a59e7b1bee78bced50bceac8ca3b0023677832e0a0c79f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4087f47f1b969a3f12312674f83b25865d11b239bc9a30280641c91908aa9df
[INFO] running `Command { std: "docker" "start" "-a" "d4087f47f1b969a3f12312674f83b25865d11b239bc9a30280641c91908aa9df", kill_on_drop: false }`
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]    Compiling day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]    Compiling day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]    Compiling day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]    Compiling day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]    Compiling day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> day08/src/bin/b.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 48 |   fn new(instructions: &'a mut Vec<Instruction>) -> Computer {
[INFO] [stdout]    |                         --                          ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 48 |   fn new(instructions: &'a mut Vec<Instruction>) -> Computer<'a> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "d4087f47f1b969a3f12312674f83b25865d11b239bc9a30280641c91908aa9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4087f47f1b969a3f12312674f83b25865d11b239bc9a30280641c91908aa9df", kill_on_drop: false }`
[INFO] [stdout] d4087f47f1b969a3f12312674f83b25865d11b239bc9a30280641c91908aa9df