[INFO] cloning repository https://github.com/MLeys/Rust_mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MLeys/Rust_mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMLeys%2FRust_mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMLeys%2FRust_mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7c0b026453218eb9f6af540b92d326ba52fa3c7
[INFO] checking MLeys/Rust_mandelbrot against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMLeys%2FRust_mandelbrot" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MLeys/Rust_mandelbrot
[INFO] finished tweaking git repo https://github.com/MLeys/Rust_mandelbrot
[INFO] tweaked toml for git repo https://github.com/MLeys/Rust_mandelbrot written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MLeys/Rust_mandelbrot on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MLeys/Rust_mandelbrot 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1151abfadf55c3a60eca649a5d1876df2bfc33875b87a8e2bd04e2aca594a65
[INFO] running `Command { std: "docker" "start" "-a" "b1151abfadf55c3a60eca649a5d1876df2bfc33875b87a8e2bd04e2aca594a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1151abfadf55c3a60eca649a5d1876df2bfc33875b87a8e2bd04e2aca594a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1151abfadf55c3a60eca649a5d1876df2bfc33875b87a8e2bd04e2aca594a65", kill_on_drop: false }`
[INFO] [stdout] b1151abfadf55c3a60eca649a5d1876df2bfc33875b87a8e2bd04e2aca594a65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adcf5a46cfaf00357023d84b86f46a9c5434ff3b63d871d1d64b68542b0dd8f1
[INFO] running `Command { std: "docker" "start" "-a" "adcf5a46cfaf00357023d84b86f46a9c5434ff3b63d871d1d64b68542b0dd8f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/main.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |             match (T::from_str(&s[...index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 64 -             match (T::from_str(&s[...index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout] 64 +             match (T::from_str(&s[..index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 64 -             match (T::from_str(&s[...index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout] 64 +             match (T::from_str(&s[..=index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `=>`, `if`, or `|`, found `=`
[INFO] [stdout]   --> src/main.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 (Ok(l), Ok(r)) = Some((l, r)),
[INFO] [stdout]    |                                ^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                expected one of `=>`, `if`, or `|`
[INFO] [stdout]    |                                help: use a fat arrow to start a match arm: `=>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/main.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |             match (T::from_str(&s[...index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 64 -             match (T::from_str(&s[...index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout] 64 +             match (T::from_str(&s[..index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 64 -             match (T::from_str(&s[...index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout] 64 +             match (T::from_str(&s[..=index]), T::from_str(&s[index + 1..])) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `=>`, `if`, or `|`, found `=`
[INFO] [stdout]   --> src/main.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 (Ok(l), Ok(r)) = Some((l, r)),
[INFO] [stdout]    |                                ^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                expected one of `=>`, `if`, or `|`
[INFO] [stdout]    |                                help: use a fat arrow to start a match arm: `=>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot` (bin "mandelbrot") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mandelbrot` (bin "mandelbrot" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "adcf5a46cfaf00357023d84b86f46a9c5434ff3b63d871d1d64b68542b0dd8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adcf5a46cfaf00357023d84b86f46a9c5434ff3b63d871d1d64b68542b0dd8f1", kill_on_drop: false }`
[INFO] [stdout] adcf5a46cfaf00357023d84b86f46a9c5434ff3b63d871d1d64b68542b0dd8f1
