[INFO] cloning repository https://github.com/eggmund/mandelzoom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eggmund/mandelzoom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feggmund%2Fmandelzoom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feggmund%2Fmandelzoom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8432cbb3d196426c95c4e386577af75c9a53699
[INFO] checking eggmund/mandelzoom against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feggmund%2Fmandelzoom" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eggmund/mandelzoom
[INFO] finished tweaking git repo https://github.com/eggmund/mandelzoom
[INFO] tweaked toml for git repo https://github.com/eggmund/mandelzoom written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eggmund/mandelzoom on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eggmund/mandelzoom 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f28bba7d528d928bdce5c44f014d4672a936316ce7905fb2a80677d47701e729
[INFO] running `Command { std: "docker" "start" "-a" "f28bba7d528d928bdce5c44f014d4672a936316ce7905fb2a80677d47701e729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28bba7d528d928bdce5c44f014d4672a936316ce7905fb2a80677d47701e729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28bba7d528d928bdce5c44f014d4672a936316ce7905fb2a80677d47701e729", kill_on_drop: false }`
[INFO] [stdout] f28bba7d528d928bdce5c44f014d4672a936316ce7905fb2a80677d47701e729
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e4f901c5103fdbbc100306d7027b9c73cadd8ef5818d12e435067902253655
[INFO] running `Command { std: "docker" "start" "-a" "55e4f901c5103fdbbc100306d7027b9c73cadd8ef5818d12e435067902253655", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling sfml-build v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling csfml-system-sys v0.4.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling csfml-window-sys v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling csfml-graphics-sys v0.4.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rug v1.5.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking sfml v0.14.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking mandelzoom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/options.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, StructOpt)]
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/options.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, StructOpt)]
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelzoom` (bin "mandelzoom") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mandelzoom` (bin "mandelzoom" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "55e4f901c5103fdbbc100306d7027b9c73cadd8ef5818d12e435067902253655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e4f901c5103fdbbc100306d7027b9c73cadd8ef5818d12e435067902253655", kill_on_drop: false }`
[INFO] [stdout] 55e4f901c5103fdbbc100306d7027b9c73cadd8ef5818d12e435067902253655
