[INFO] cloning repository https://github.com/oliverjantar/advent-of-code-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oliverjantar/advent-of-code-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foliverjantar%2Fadvent-of-code-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foliverjantar%2Fadvent-of-code-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c7289d006686c28edfc55b6dd960eb8c43d5121
[INFO] building oliverjantar/advent-of-code-2022 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%2Foliverjantar%2Fadvent-of-code-2022" "/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/oliverjantar/advent-of-code-2022 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/oliverjantar/advent-of-code-2022
[INFO] finished tweaking git repo https://github.com/oliverjantar/advent-of-code-2022
[INFO] tweaked toml for git repo https://github.com/oliverjantar/advent-of-code-2022 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oliverjantar/advent-of-code-2022 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.150
[INFO] [stderr]   Downloaded serde v1.0.150
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] [stderr]   Downloaded serde_json v1.0.89
[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] d06b41d16e2fbc54e6086483fae1d1604b208ea2dc471740d0d33e97e549a8c0
[INFO] running `Command { std: "docker" "start" "-a" "d06b41d16e2fbc54e6086483fae1d1604b208ea2dc471740d0d33e97e549a8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06b41d16e2fbc54e6086483fae1d1604b208ea2dc471740d0d33e97e549a8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06b41d16e2fbc54e6086483fae1d1604b208ea2dc471740d0d33e97e549a8c0", kill_on_drop: false }`
[INFO] [stdout] d06b41d16e2fbc54e6086483fae1d1604b208ea2dc471740d0d33e97e549a8c0
[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] c858920fa48368158e644a597846b922f1df19baf2d80f78f3c481bf50f5d5e4
[INFO] running `Command { std: "docker" "start" "-a" "c858920fa48368158e644a597846b922f1df19baf2d80f78f3c481bf50f5d5e4", 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 shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling day-11 v0.1.0 (/opt/rustwide/workdir/day-11)
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]    Compiling day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]    Compiling day-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]    Compiling day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]    Compiling day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]    Compiling day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]    Compiling day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]    Compiling day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]    Compiling day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[INFO] [stderr]    Compiling day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]    Compiling day-14 v0.1.0 (/opt/rustwide/workdir/day-14)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> day-02/src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Game(RPS, RPS);
[INFO] [stdout]    |        ---- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> day-02/src/main.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 99 | struct GameResult(RPS, RSLT);
[INFO] [stdout]    |        ---------- ^^^  ^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lowest_point` is never read
[INFO] [stdout]   --> day-14/src/task1.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Sand {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 91 |     map: HashSet<Point>,
[INFO] [stdout] 92 |     lowest_point: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c858920fa48368158e644a597846b922f1df19baf2d80f78f3c481bf50f5d5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c858920fa48368158e644a597846b922f1df19baf2d80f78f3c481bf50f5d5e4", kill_on_drop: false }`
[INFO] [stdout] c858920fa48368158e644a597846b922f1df19baf2d80f78f3c481bf50f5d5e4