[INFO] cloning repository https://github.com/iliana/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iliana/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filiana%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filiana%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcfcfcf87d5a0533a7cef0af7df8513fac7991dd
[INFO] building iliana/aoc2021 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%2Filiana%2Faoc2021" "/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/iliana/aoc2021 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/iliana/aoc2021
[INFO] finished tweaking git repo https://github.com/iliana/aoc2021
[INFO] tweaked toml for git repo https://github.com/iliana/aoc2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iliana/aoc2021 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded libc-print v0.1.17
[INFO] [stderr]   Downloaded heapless v0.7.8
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded predicates v2.1.0
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[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] f99719231108fb68aa165afc0df0d92a89394c18765247b8b3410869929f72d8
[INFO] running `Command { std: "docker" "start" "-a" "f99719231108fb68aa165afc0df0d92a89394c18765247b8b3410869929f72d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99719231108fb68aa165afc0df0d92a89394c18765247b8b3410869929f72d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99719231108fb68aa165afc0df0d92a89394c18765247b8b3410869929f72d8", kill_on_drop: false }`
[INFO] [stdout] f99719231108fb68aa165afc0df0d92a89394c18765247b8b3410869929f72d8
[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] c3e07ad553ee11f8b74180d8f317eb11fad578e9327a523e7541d1e9fec7ad57
[INFO] running `Command { std: "docker" "start" "-a" "c3e07ad553ee11f8b74180d8f317eb11fad578e9327a523e7541d1e9fec7ad57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling heapless v0.7.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling libc-print v0.1.17
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "c3e07ad553ee11f8b74180d8f317eb11fad578e9327a523e7541d1e9fec7ad57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e07ad553ee11f8b74180d8f317eb11fad578e9327a523e7541d1e9fec7ad57", kill_on_drop: false }`
[INFO] [stdout] c3e07ad553ee11f8b74180d8f317eb11fad578e9327a523e7541d1e9fec7ad57
[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] b0a38905aaca094c95ef9bdb761e1a3fc6e488dbc8282128925a768aab6f9151
[INFO] running `Command { std: "docker" "start" "-a" "b0a38905aaca094c95ef9bdb761e1a3fc6e488dbc8282128925a768aab6f9151", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling termtree v0.2.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling libc-print v0.1.17
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling predicates v2.1.0
[INFO] [stderr]    Compiling assert_cmd v2.0.2
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "b0a38905aaca094c95ef9bdb761e1a3fc6e488dbc8282128925a768aab6f9151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a38905aaca094c95ef9bdb761e1a3fc6e488dbc8282128925a768aab6f9151", kill_on_drop: false }`
[INFO] [stdout] b0a38905aaca094c95ef9bdb761e1a3fc6e488dbc8282128925a768aab6f9151