[INFO] fetching crate logo-runtime 0.1.0...
[INFO] checking logo-runtime-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate logo-runtime 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate logo-runtime 0.1.0 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 logo-runtime 0.1.0
[INFO] finished tweaking crates.io crate logo-runtime 0.1.0
[INFO] tweaked toml for crates.io crate logo-runtime 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logo-interp v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7411dac2d0121a5a7b6d1ec59eaa3079299d2bbbddbd4c50de859e1bddef0400
[INFO] running `Command { std: "docker" "start" "-a" "7411dac2d0121a5a7b6d1ec59eaa3079299d2bbbddbd4c50de859e1bddef0400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7411dac2d0121a5a7b6d1ec59eaa3079299d2bbbddbd4c50de859e1bddef0400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7411dac2d0121a5a7b6d1ec59eaa3079299d2bbbddbd4c50de859e1bddef0400", kill_on_drop: false }`
[INFO] [stdout] 7411dac2d0121a5a7b6d1ec59eaa3079299d2bbbddbd4c50de859e1bddef0400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2b46daae0db766bd2283fbdc612fb7a94b8ae1df3461a20e9a3d0f75df0ddc19
[INFO] running `Command { std: "docker" "start" "-a" "2b46daae0db766bd2283fbdc612fb7a94b8ae1df3461a20e9a3d0f75df0ddc19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking logo-interp v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking logo-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `Command { std: "docker" "inspect" "2b46daae0db766bd2283fbdc612fb7a94b8ae1df3461a20e9a3d0f75df0ddc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b46daae0db766bd2283fbdc612fb7a94b8ae1df3461a20e9a3d0f75df0ddc19", kill_on_drop: false }`
[INFO] [stdout] 2b46daae0db766bd2283fbdc612fb7a94b8ae1df3461a20e9a3d0f75df0ddc19
[INFO] checking logo-runtime-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate logo-runtime 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate logo-runtime 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate logo-runtime 0.1.0
[INFO] finished tweaking crates.io crate logo-runtime 0.1.0
[INFO] tweaked toml for crates.io crate logo-runtime 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77f85d0043152ebe6f3e4d20cb730b0c1490cf42c4259f1f12e62b4e7e11ba3c
[INFO] running `Command { std: "docker" "start" "-a" "77f85d0043152ebe6f3e4d20cb730b0c1490cf42c4259f1f12e62b4e7e11ba3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f85d0043152ebe6f3e4d20cb730b0c1490cf42c4259f1f12e62b4e7e11ba3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f85d0043152ebe6f3e4d20cb730b0c1490cf42c4259f1f12e62b4e7e11ba3c", kill_on_drop: false }`
[INFO] [stdout] 77f85d0043152ebe6f3e4d20cb730b0c1490cf42c4259f1f12e62b4e7e11ba3c
[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" "-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2ea19dc739a65d714b37e6ba758b8a9b30e7b2c248e1a049a872fed8964ebf3
[INFO] running `Command { std: "docker" "start" "-a" "f2ea19dc739a65d714b37e6ba758b8a9b30e7b2c248e1a049a872fed8964ebf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking logo-interp v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking logo-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "f2ea19dc739a65d714b37e6ba758b8a9b30e7b2c248e1a049a872fed8964ebf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ea19dc739a65d714b37e6ba758b8a9b30e7b2c248e1a049a872fed8964ebf3", kill_on_drop: false }`
[INFO] [stdout] f2ea19dc739a65d714b37e6ba758b8a9b30e7b2c248e1a049a872fed8964ebf3