[INFO] cloning repository https://github.com/corneliusroemer/seed-matching-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corneliusroemer/seed-matching-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorneliusroemer%2Fseed-matching-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorneliusroemer%2Fseed-matching-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b1d3045899c6fd54e75fed6eda84422b3184b5a
[INFO] checking corneliusroemer/seed-matching-experiment against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorneliusroemer%2Fseed-matching-experiment" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corneliusroemer/seed-matching-experiment 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] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/corneliusroemer/seed-matching-experiment
[INFO] finished tweaking git repo https://github.com/corneliusroemer/seed-matching-experiment
[INFO] tweaked toml for git repo https://github.com/corneliusroemer/seed-matching-experiment written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/corneliusroemer/seed-matching-experiment 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]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[INFO] [stderr]       Adding gcollections v1.5.0
[INFO] [stderr]       Adding intervallum v1.4.1
[INFO] [stderr]       Adding trilean v1.1.0
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intervallum v1.4.1
[INFO] [stderr]   Downloaded enum-map-derive v0.6.0
[INFO] [stderr]   Downloaded trilean v1.1.0
[INFO] [stderr]   Downloaded gcollections v1.5.0
[INFO] [stderr]   Downloaded bytecount v0.6.3
[INFO] [stderr]   Downloaded enum-map v1.1.1
[INFO] [stderr]   Downloaded libm v0.2.3
[INFO] [stderr]   Downloaded anyhow v1.0.59
[INFO] [stderr]   Downloaded bio-types v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6043892e42990745e904bcb6db908ea2b0e9c3186d72960bfa2f1b0cc0a4f42d
[INFO] running `Command { std: "docker" "start" "-a" "6043892e42990745e904bcb6db908ea2b0e9c3186d72960bfa2f1b0cc0a4f42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6043892e42990745e904bcb6db908ea2b0e9c3186d72960bfa2f1b0cc0a4f42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6043892e42990745e904bcb6db908ea2b0e9c3186d72960bfa2f1b0cc0a4f42d", kill_on_drop: false }`
[INFO] [stdout] 6043892e42990745e904bcb6db908ea2b0e9c3186d72960bfa2f1b0cc0a4f42d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 40cabe530ff998492c05ddac3bc71c7f5e017aaad6f1fa1df470a5e182ad39da
[INFO] running `Command { std: "docker" "start" "-a" "40cabe530ff998492c05ddac3bc71c7f5e017aaad6f1fa1df470a5e182ad39da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libm v0.2.3
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling anyhow v1.0.59
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking trilean v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking gcollections v1.5.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking triple_accel v0.4.0
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking intervallum v1.4.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]     Checking enum-map v1.1.1
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking bio-types v0.13.0
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking statrs v0.15.0
[INFO] [stderr]     Checking bio v0.41.0
[INFO] [stderr]     Checking seed-matching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "40cabe530ff998492c05ddac3bc71c7f5e017aaad6f1fa1df470a5e182ad39da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40cabe530ff998492c05ddac3bc71c7f5e017aaad6f1fa1df470a5e182ad39da", kill_on_drop: false }`
[INFO] [stdout] 40cabe530ff998492c05ddac3bc71c7f5e017aaad6f1fa1df470a5e182ad39da