[INFO] fetching crate rmk 0.0.5...
[INFO] checking rmk-0.0.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rmk 0.0.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rmk 0.0.5 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 rmk 0.0.5
[INFO] finished tweaking crates.io crate rmk 0.0.5
[INFO] tweaked toml for crates.io crate rmk 0.0.5 written to /workspace/builds/worker-5-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 56 packages
[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 byteorder v1.4.3 (latest: v1.5.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[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 syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding usb-device v0.2.9 (latest: v0.3.2)
[INFO] [stderr]       Adding usbd-hid v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[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 usbd-hid-descriptors v0.1.2
[INFO] [stderr]   Downloaded usbd-hid v0.6.1
[INFO] [stderr]   Downloaded rtic-time v1.3.0
[INFO] [stderr]   Downloaded rtic-monotonics v1.5.0
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded embedded-alloc v0.5.1
[INFO] [stderr]   Downloaded embedded-storage v0.3.1
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.5
[INFO] [stderr]   Downloaded num_enum_derive v0.7.2
[INFO] [stderr]   Downloaded packed_struct v0.10.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] [stderr]   Downloaded fugit v0.3.7
[INFO] [stderr]   Downloaded num_enum v0.7.2
[INFO] [stderr]   Downloaded packed_struct_codegen v0.10.1
[INFO] [stderr]   Downloaded rtic-common v1.0.0
[INFO] [stderr]   Downloaded ssmarshal v1.0.0
[INFO] [stderr]   Downloaded usbd-hid-macros v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3224cb9800c2e1a25b9f48c6ee1d305771e2c8c6a0d6349fe37b70b5da813431
[INFO] running `Command { std: "docker" "start" "-a" "3224cb9800c2e1a25b9f48c6ee1d305771e2c8c6a0d6349fe37b70b5da813431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3224cb9800c2e1a25b9f48c6ee1d305771e2c8c6a0d6349fe37b70b5da813431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3224cb9800c2e1a25b9f48c6ee1d305771e2c8c6a0d6349fe37b70b5da813431", kill_on_drop: false }`
[INFO] [stdout] 3224cb9800c2e1a25b9f48c6ee1d305771e2c8c6a0d6349fe37b70b5da813431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a65b231de197dd682856c7d2b3331f442ae65a98b2508cfd8e1417e8972af5ae
[INFO] running `Command { std: "docker" "start" "-a" "a65b231de197dd682856c7d2b3331f442ae65a98b2508cfd8e1417e8972af5ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling usbd-hid-descriptors v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking rtic-common v1.0.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rtic-monotonics v1.5.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling packed_struct v0.10.1
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking rtic-time v1.3.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking embedded-alloc v0.5.1
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking ssmarshal v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.2
[INFO] [stderr]     Checking num_enum v0.7.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling packed_struct_codegen v0.10.1
[INFO] [stderr]    Compiling usbd-hid-macros v0.6.0
[INFO] [stderr]     Checking usbd-hid v0.6.1
[INFO] [stderr]     Checking rmk v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.97s
[INFO] running `Command { std: "docker" "inspect" "a65b231de197dd682856c7d2b3331f442ae65a98b2508cfd8e1417e8972af5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65b231de197dd682856c7d2b3331f442ae65a98b2508cfd8e1417e8972af5ae", kill_on_drop: false }`
[INFO] [stdout] a65b231de197dd682856c7d2b3331f442ae65a98b2508cfd8e1417e8972af5ae
[INFO] checking rmk-0.0.5 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rmk 0.0.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rmk 0.0.5 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 rmk 0.0.5
[INFO] finished tweaking crates.io crate rmk 0.0.5
[INFO] tweaked toml for crates.io crate rmk 0.0.5 written to /workspace/builds/worker-5-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 56 packages
[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 byteorder v1.4.3 (latest: v1.5.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[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 syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding usb-device v0.2.9 (latest: v0.3.2)
[INFO] [stderr]       Adding usbd-hid v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8b40b2b71628f58449417a90346c79cce4bce39e4f9bc75409bf57ed066ec528
[INFO] running `Command { std: "docker" "start" "-a" "8b40b2b71628f58449417a90346c79cce4bce39e4f9bc75409bf57ed066ec528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b40b2b71628f58449417a90346c79cce4bce39e4f9bc75409bf57ed066ec528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b40b2b71628f58449417a90346c79cce4bce39e4f9bc75409bf57ed066ec528", kill_on_drop: false }`
[INFO] [stdout] 8b40b2b71628f58449417a90346c79cce4bce39e4f9bc75409bf57ed066ec528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dd11caf23c23168c35af21f429b9fb4e708782a66a1bcb4a9d9303a0096eb9f8
[INFO] running `Command { std: "docker" "start" "-a" "dd11caf23c23168c35af21f429b9fb4e708782a66a1bcb4a9d9303a0096eb9f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling usbd-hid-descriptors v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking rtic-common v1.0.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling packed_struct v0.10.1
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling rtic-monotonics v1.5.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking embedded-alloc v0.5.1
[INFO] [stderr]     Checking rtic-time v1.3.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.7.2
[INFO] [stderr]     Checking ssmarshal v1.0.0
[INFO] [stderr]     Checking num_enum v0.7.2
[INFO] [stderr]    Compiling usbd-hid-macros v0.6.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling packed_struct_codegen v0.10.1
[INFO] [stderr]     Checking usbd-hid v0.6.1
[INFO] [stderr]     Checking rmk v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.84s
[INFO] running `Command { std: "docker" "inspect" "dd11caf23c23168c35af21f429b9fb4e708782a66a1bcb4a9d9303a0096eb9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd11caf23c23168c35af21f429b9fb4e708782a66a1bcb4a9d9303a0096eb9f8", kill_on_drop: false }`
[INFO] [stdout] dd11caf23c23168c35af21f429b9fb4e708782a66a1bcb4a9d9303a0096eb9f8