[INFO] cloning repository https://github.com/lffg2/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lffg2/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg2%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg2%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f433f9a7ef414a495601d76accf5db4114c9ed89
[INFO] building lffg2/aoc-2021 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg2%2Faoc-2021" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lffg2/aoc-2021 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lffg2/aoc-2021
[INFO] finished tweaking git repo https://github.com/lffg2/aoc-2021
[INFO] tweaked toml for git repo https://github.com/lffg2/aoc-2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lffg2/aoc-2021 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b3d01660a24d0400a814b3238793396441fda8d0efb84f9fd9ac916c21e9eb9
[INFO] running `Command { std: "docker" "start" "-a" "9b3d01660a24d0400a814b3238793396441fda8d0efb84f9fd9ac916c21e9eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b3d01660a24d0400a814b3238793396441fda8d0efb84f9fd9ac916c21e9eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b3d01660a24d0400a814b3238793396441fda8d0efb84f9fd9ac916c21e9eb9", kill_on_drop: false }`
[INFO] [stdout] 9b3d01660a24d0400a814b3238793396441fda8d0efb84f9fd9ac916c21e9eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63553a39423643539c55b58c692cb2d20f0c13dc7f95d873a0d868cabf2bd5f2
[INFO] running `Command { std: "docker" "start" "-a" "63553a39423643539c55b58c692cb2d20f0c13dc7f95d873a0d868cabf2bd5f2", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling day-00 v0.1.0 (/opt/rustwide/workdir/day-00)
[INFO] [stderr]    Compiling day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]    Compiling day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]    Compiling day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "63553a39423643539c55b58c692cb2d20f0c13dc7f95d873a0d868cabf2bd5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63553a39423643539c55b58c692cb2d20f0c13dc7f95d873a0d868cabf2bd5f2", kill_on_drop: false }`
[INFO] [stdout] 63553a39423643539c55b58c692cb2d20f0c13dc7f95d873a0d868cabf2bd5f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5743b526034d1f642f81c35245ac48d1cd111173ea977a2e98e722db2cb6916
[INFO] running `Command { std: "docker" "start" "-a" "d5743b526034d1f642f81c35245ac48d1cd111173ea977a2e98e722db2cb6916", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]    Compiling day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]    Compiling day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]    Compiling day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]    Compiling day-00 v0.1.0 (/opt/rustwide/workdir/day-00)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "d5743b526034d1f642f81c35245ac48d1cd111173ea977a2e98e722db2cb6916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5743b526034d1f642f81c35245ac48d1cd111173ea977a2e98e722db2cb6916", kill_on_drop: false }`
[INFO] [stdout] d5743b526034d1f642f81c35245ac48d1cd111173ea977a2e98e722db2cb6916