[INFO] fetching crate kpy 0.1.0-alpha...
[INFO] checking kpy-0.1.0-alpha against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate kpy 0.1.0-alpha into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate kpy 0.1.0-alpha 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 crates.io crate kpy 0.1.0-alpha
[INFO] finished tweaking crates.io crate kpy 0.1.0-alpha
[INFO] tweaked toml for crates.io crate kpy 0.1.0-alpha written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate kpy 0.1.0-alpha 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v1.12.1
[INFO] [stderr]   Downloaded dircpy-stable v0.3.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6ec3027ac9813e9c094b83a15de3cb234d25b9e5e88de3c9085111a17eb094c5
[INFO] running `Command { std: "docker" "start" "-a" "6ec3027ac9813e9c094b83a15de3cb234d25b9e5e88de3c9085111a17eb094c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ec3027ac9813e9c094b83a15de3cb234d25b9e5e88de3c9085111a17eb094c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec3027ac9813e9c094b83a15de3cb234d25b9e5e88de3c9085111a17eb094c5", kill_on_drop: false }`
[INFO] [stdout] 6ec3027ac9813e9c094b83a15de3cb234d25b9e5e88de3c9085111a17eb094c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 344ac56648944b74b7a264cd9b612184973ec58f95dfe09f8b363f9aa265e3bb
[INFO] running `Command { std: "docker" "start" "-a" "344ac56648944b74b7a264cd9b612184973ec58f95dfe09f8b363f9aa265e3bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dircpy-stable v0.3.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.12.1
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking kpy v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "344ac56648944b74b7a264cd9b612184973ec58f95dfe09f8b363f9aa265e3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344ac56648944b74b7a264cd9b612184973ec58f95dfe09f8b363f9aa265e3bb", kill_on_drop: false }`
[INFO] [stdout] 344ac56648944b74b7a264cd9b612184973ec58f95dfe09f8b363f9aa265e3bb