[INFO] cloning repository https://github.com/strank/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strank/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrank%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrank%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9782fa52606ec7bc009dce438c054c1cb0d7ce30
[INFO] checking strank/AdventOfCode2020 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrank%2FAdventOfCode2020" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strank/AdventOfCode2020 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/strank/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/strank/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/strank/AdventOfCode2020 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/strank/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_generator v0.11.0
[INFO] [stderr]   Downloaded phf_macros v0.11.0
[INFO] [stderr]   Downloaded phf_shared v0.11.0
[INFO] [stderr]   Downloaded phf v0.11.0
[INFO] [stderr]   Downloaded pathfinding v3.0.13
[INFO] [stderr]   Downloaded ndarray v0.15.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3723fde0610dd4609758d82f49387a81d412f45b27df15cea650add325d5289e
[INFO] running `Command { std: "docker" "start" "-a" "3723fde0610dd4609758d82f49387a81d412f45b27df15cea650add325d5289e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3723fde0610dd4609758d82f49387a81d412f45b27df15cea650add325d5289e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3723fde0610dd4609758d82f49387a81d412f45b27df15cea650add325d5289e", kill_on_drop: false }`
[INFO] [stdout] 3723fde0610dd4609758d82f49387a81d412f45b27df15cea650add325d5289e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a44cc6955c4b035b34c41fb9925f72fb08efaf3a318f27a136afce0690e143b9
[INFO] running `Command { std: "docker" "start" "-a" "a44cc6955c4b035b34c41fb9925f72fb08efaf3a318f27a136afce0690e143b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling phf_shared v0.11.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling advent_of_code_202x v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.11.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling phf_macros v0.11.0
[INFO] [stderr]     Checking phf v0.11.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking pathfinding v3.0.13
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a44cc6955c4b035b34c41fb9925f72fb08efaf3a318f27a136afce0690e143b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44cc6955c4b035b34c41fb9925f72fb08efaf3a318f27a136afce0690e143b9", kill_on_drop: false }`
[INFO] [stdout] a44cc6955c4b035b34c41fb9925f72fb08efaf3a318f27a136afce0690e143b9