[INFO] fetching crate hello-virus 0.1.1...
[INFO] checking hello-virus-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate hello-virus 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate hello-virus 0.1.1 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 hello-virus 0.1.1
[INFO] finished tweaking crates.io crate hello-virus 0.1.1
[INFO] tweaked toml for crates.io crate hello-virus 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate hello-virus 0.1.1 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 symphonia v0.5.3
[INFO] [stderr]   Downloaded rodio v0.17.1
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.3
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.12
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded dasp_sample v0.11.0
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded toml_edit v0.19.10
[INFO] [stderr]   Downloaded oboe-sys v0.5.0
[INFO] [stderr]   Downloaded lewton v0.10.2
[INFO] [stderr]   Downloaded web-sys v0.3.63
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.3
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded alsa v0.7.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded clang-sys v1.6.1
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.11.2
[INFO] [stderr]   Downloaded mach2 v0.4.1
[INFO] [stderr]   Downloaded jni v0.20.0
[INFO] [stderr]   Downloaded winnow v0.4.6
[INFO] [stderr]   Downloaded oboe v0.5.0
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded cpal v0.15.2
[INFO] [stderr]   Downloaded hound v3.5.0
[INFO] [stderr]   Downloaded ogg v0.8.0
[INFO] [stderr]   Downloaded toml_datetime v0.6.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.36
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded symphonia-core v0.5.3
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded termion v2.0.1
[INFO] [stderr]   Downloaded pyu_rust_util v0.1.71
[INFO] [stderr]   Downloaded windows v0.46.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 107150551a70af973fbb22b988ba03d11b6ed9f4552082608650a3caa8713117
[INFO] running `Command { std: "docker" "start" "-a" "107150551a70af973fbb22b988ba03d11b6ed9f4552082608650a3caa8713117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107150551a70af973fbb22b988ba03d11b6ed9f4552082608650a3caa8713117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107150551a70af973fbb22b988ba03d11b6ed9f4552082608650a3caa8713117", kill_on_drop: false }`
[INFO] [stdout] 107150551a70af973fbb22b988ba03d11b6ed9f4552082608650a3caa8713117
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a59b3f6b7818fa5563323acdeb0b1c2cd8c338d4726a0c999a8acdb312993f9a
[INFO] running `Command { std: "docker" "start" "-a" "a59b3f6b7818fa5563323acdeb0b1c2cd8c338d4726a0c999a8acdb312993f9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking symphonia-core v0.5.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]     Checking symphonia-metadata v0.5.3
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking alsa v0.7.0
[INFO] [stderr]     Checking symphonia v0.5.3
[INFO] [stderr]     Checking rodio v0.17.1
[INFO] [stderr]     Checking pyu_rust_util v0.1.71
[INFO] [stderr]     Checking hello-virus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "a59b3f6b7818fa5563323acdeb0b1c2cd8c338d4726a0c999a8acdb312993f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59b3f6b7818fa5563323acdeb0b1c2cd8c338d4726a0c999a8acdb312993f9a", kill_on_drop: false }`
[INFO] [stdout] a59b3f6b7818fa5563323acdeb0b1c2cd8c338d4726a0c999a8acdb312993f9a
[INFO] checking hello-virus-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate hello-virus 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate hello-virus 0.1.1 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 hello-virus 0.1.1
[INFO] finished tweaking crates.io crate hello-virus 0.1.1
[INFO] tweaked toml for crates.io crate hello-virus 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate hello-virus 0.1.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 83033ade840b7d19a22b8bd2b875d2488cbf07f0cdfc3586282eca327b6e1f11
[INFO] running `Command { std: "docker" "start" "-a" "83033ade840b7d19a22b8bd2b875d2488cbf07f0cdfc3586282eca327b6e1f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83033ade840b7d19a22b8bd2b875d2488cbf07f0cdfc3586282eca327b6e1f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83033ade840b7d19a22b8bd2b875d2488cbf07f0cdfc3586282eca327b6e1f11", kill_on_drop: false }`
[INFO] [stdout] 83033ade840b7d19a22b8bd2b875d2488cbf07f0cdfc3586282eca327b6e1f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 91527b294da2c6c343a86b9c48b1e38b922e70f14106579b9d64d32904e49fd8
[INFO] running `Command { std: "docker" "start" "-a" "91527b294da2c6c343a86b9c48b1e38b922e70f14106579b9d64d32904e49fd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking symphonia-core v0.5.3
[INFO] [stderr]     Checking symphonia-metadata v0.5.3
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.3
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking symphonia v0.5.3
[INFO] [stderr]     Checking alsa v0.7.0
[INFO] [stderr]     Checking rodio v0.17.1
[INFO] [stderr]     Checking pyu_rust_util v0.1.71
[INFO] [stderr]     Checking hello-virus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.22s
[INFO] running `Command { std: "docker" "inspect" "91527b294da2c6c343a86b9c48b1e38b922e70f14106579b9d64d32904e49fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91527b294da2c6c343a86b9c48b1e38b922e70f14106579b9d64d32904e49fd8", kill_on_drop: false }`
[INFO] [stdout] 91527b294da2c6c343a86b9c48b1e38b922e70f14106579b9d64d32904e49fd8