[INFO] cloning repository https://github.com/11bthornton/methinks-it-is-a-weasel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/11bthornton/methinks-it-is-a-weasel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F11bthornton%2Fmethinks-it-is-a-weasel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F11bthornton%2Fmethinks-it-is-a-weasel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f335429a766111fcd82e0522ce3c194cac497327
[INFO] building 11bthornton/methinks-it-is-a-weasel against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F11bthornton%2Fmethinks-it-is-a-weasel" "/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/11bthornton/methinks-it-is-a-weasel on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/11bthornton/methinks-it-is-a-weasel
[INFO] finished tweaking git repo https://github.com/11bthornton/methinks-it-is-a-weasel
[INFO] tweaked toml for git repo https://github.com/11bthornton/methinks-it-is-a-weasel written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/11bthornton/methinks-it-is-a-weasel 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded libc v0.2.117
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f976baa28df60186053764c602f4808e537fa44d6bf55898b1801fec9b34d55e
[INFO] running `Command { std: "docker" "start" "-a" "f976baa28df60186053764c602f4808e537fa44d6bf55898b1801fec9b34d55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f976baa28df60186053764c602f4808e537fa44d6bf55898b1801fec9b34d55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f976baa28df60186053764c602f4808e537fa44d6bf55898b1801fec9b34d55e", kill_on_drop: false }`
[INFO] [stdout] f976baa28df60186053764c602f4808e537fa44d6bf55898b1801fec9b34d55e
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdb6971c6bc9881140272863e58fa7b847f7de64cf165fcb968f8a5fed26ce56
[INFO] running `Command { std: "docker" "start" "-a" "fdb6971c6bc9881140272863e58fa7b847f7de64cf165fcb968f8a5fed26ce56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling geneticalgorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `array_zip`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_zip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn demo<T>(v: Vec<T>) -> [T; 23] where T: Copy {
[INFO] [stdout]    |                          ------- expected `[T; 23]` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 23 |     array
[INFO] [stdout]    |     ^^^^^ expected an array with a size of 23, found one with a size of 38
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected array `[T; 23]`
[INFO] [stdout]               found array `[T; 38]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:80:11
[INFO] [stdout]    |
[INFO] [stdout] 80 |             chars: chars
[INFO] [stdout]    |                    ^^^^^ expected an array with a size of 23, found one with a size of 38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `geneticalgorithm` (bin "geneticalgorithm") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fdb6971c6bc9881140272863e58fa7b847f7de64cf165fcb968f8a5fed26ce56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb6971c6bc9881140272863e58fa7b847f7de64cf165fcb968f8a5fed26ce56", kill_on_drop: false }`
[INFO] [stdout] fdb6971c6bc9881140272863e58fa7b847f7de64cf165fcb968f8a5fed26ce56
