[INFO] fetching crate sdio_sdhc 0.2.3...
[INFO] checking sdio_sdhc-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate sdio_sdhc 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sdio_sdhc 0.2.3 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 sdio_sdhc 0.2.3
[INFO] finished tweaking crates.io crate sdio_sdhc 0.2.3
[INFO] tweaked toml for crates.io crate sdio_sdhc 0.2.3 written to /workspace/builds/worker-7-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]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages
[INFO] [stderr]       Adding aligned v0.3.5 (latest: v0.4.2)
[INFO] [stderr]       Adding as-slice v0.1.5 (latest: v0.2.1)
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.14.0)
[INFO] [stderr]       Adding cast v0.2.7 (latest: v0.3.0)
[INFO] [stderr]       Adding cortex-m v0.6.7 (latest: v0.7.7)
[INFO] [stderr]       Adding cortex-m-rt v0.6.15 (latest: v0.7.3)
[INFO] [stderr]       Adding cortex-m-rt-macros v0.6.15 (latest: v0.7.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.13.3 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding r0 v0.2.2 (latest: v1.0.0)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding stm32f4 v0.11.0 (latest: v0.15.1)
[INFO] [stderr]       Adding stm32f4xx-hal v0.8.3 (latest: v0.20.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.6.15
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.15
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.8.3
[INFO] [stderr]   Downloaded stm32f4 v0.11.0
[INFO] [stderr]   Downloaded block_device v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 35f723df2e357a73550dabf611b40d7660052fca899220949111101cb9d8ad97
[INFO] running `Command { std: "docker" "start" "-a" "35f723df2e357a73550dabf611b40d7660052fca899220949111101cb9d8ad97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35f723df2e357a73550dabf611b40d7660052fca899220949111101cb9d8ad97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f723df2e357a73550dabf611b40d7660052fca899220949111101cb9d8ad97", kill_on_drop: false }`
[INFO] [stdout] 35f723df2e357a73550dabf611b40d7660052fca899220949111101cb9d8ad97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 056c18ab284b50cc48af13e2ce1dcd7206c0a5af064e10088868fed06f471a4f
[INFO] running `Command { std: "docker" "start" "-a" "056c18ab284b50cc48af13e2ce1dcd7206c0a5af064e10088868fed06f471a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]     Checking stm32f4xx-hal v0.8.3
[INFO] [stderr]     Checking sdio_sdhc v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.63s
[INFO] running `Command { std: "docker" "inspect" "056c18ab284b50cc48af13e2ce1dcd7206c0a5af064e10088868fed06f471a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056c18ab284b50cc48af13e2ce1dcd7206c0a5af064e10088868fed06f471a4f", kill_on_drop: false }`
[INFO] [stdout] 056c18ab284b50cc48af13e2ce1dcd7206c0a5af064e10088868fed06f471a4f
[INFO] checking sdio_sdhc-0.2.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate sdio_sdhc 0.2.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate sdio_sdhc 0.2.3 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 sdio_sdhc 0.2.3
[INFO] finished tweaking crates.io crate sdio_sdhc 0.2.3
[INFO] tweaked toml for crates.io crate sdio_sdhc 0.2.3 written to /workspace/builds/worker-7-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]     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 36 packages
[INFO] [stderr]       Adding aligned v0.3.5 (latest: v0.4.2)
[INFO] [stderr]       Adding as-slice v0.1.5 (latest: v0.2.1)
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.14.0)
[INFO] [stderr]       Adding cast v0.2.7 (latest: v0.3.0)
[INFO] [stderr]       Adding cortex-m v0.6.7 (latest: v0.7.7)
[INFO] [stderr]       Adding cortex-m-rt v0.6.15 (latest: v0.7.3)
[INFO] [stderr]       Adding cortex-m-rt-macros v0.6.15 (latest: v0.7.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.13.3 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding r0 v0.2.2 (latest: v1.0.0)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding stm32f4 v0.11.0 (latest: v0.15.1)
[INFO] [stderr]       Adding stm32f4xx-hal v0.8.3 (latest: v0.20.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3e0cf7d188d45c86de9f9fb67c94355d9f55b851b3194560255d8a58f5ac6a37
[INFO] running `Command { std: "docker" "start" "-a" "3e0cf7d188d45c86de9f9fb67c94355d9f55b851b3194560255d8a58f5ac6a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e0cf7d188d45c86de9f9fb67c94355d9f55b851b3194560255d8a58f5ac6a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0cf7d188d45c86de9f9fb67c94355d9f55b851b3194560255d8a58f5ac6a37", kill_on_drop: false }`
[INFO] [stdout] 3e0cf7d188d45c86de9f9fb67c94355d9f55b851b3194560255d8a58f5ac6a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] de16774a6ce589c98c94ff5b78da157bafbe45059f84d1a24219b26c2026840f
[INFO] running `Command { std: "docker" "start" "-a" "de16774a6ce589c98c94ff5b78da157bafbe45059f84d1a24219b26c2026840f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]     Checking stm32f4xx-hal v0.8.3
[INFO] [stderr]     Checking sdio_sdhc v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.79s
[INFO] running `Command { std: "docker" "inspect" "de16774a6ce589c98c94ff5b78da157bafbe45059f84d1a24219b26c2026840f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de16774a6ce589c98c94ff5b78da157bafbe45059f84d1a24219b26c2026840f", kill_on_drop: false }`
[INFO] [stdout] de16774a6ce589c98c94ff5b78da157bafbe45059f84d1a24219b26c2026840f