[INFO] fetching crate cmim 0.2.1...
[INFO] checking cmim-0.2.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate cmim 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cmim 0.2.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmim 0.2.1
[INFO] finished tweaking crates.io crate cmim 0.2.1
[INFO] tweaked toml for crates.io crate cmim 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 858f212b5330e74d7d46648abcb3b6be99d84656b5fac0b69d85e2527bdb7a9d
[INFO] running `Command { std: "docker" "start" "-a" "858f212b5330e74d7d46648abcb3b6be99d84656b5fac0b69d85e2527bdb7a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858f212b5330e74d7d46648abcb3b6be99d84656b5fac0b69d85e2527bdb7a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858f212b5330e74d7d46648abcb3b6be99d84656b5fac0b69d85e2527bdb7a9d", kill_on_drop: false }`
[INFO] [stdout] 858f212b5330e74d7d46648abcb3b6be99d84656b5fac0b69d85e2527bdb7a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56b38e10d0a65b0dc2083557639ad84785348e33a0796a89724b75240c2c54d4
[INFO] running `Command { std: "docker" "start" "-a" "56b38e10d0a65b0dc2083557639ad84785348e33a0796a89724b75240c2c54d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling nrf52832-pac v0.8.0
[INFO] [stderr]    Compiling fpa v0.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling nrf52832-hal v0.8.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking embedded-timeout-macros v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking cortex-m v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]     Checking cmim v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling hash32-derive v0.1.1
[INFO] [stderr]     Checking ieee802154 v0.3.0
[INFO] [stderr]     Checking ssmarshal v1.0.0
[INFO] [stderr]     Checking dw1000 v0.3.0
[INFO] [stderr]     Checking nrf52-hal-common v0.8.1
[INFO] [stderr]     Checking dwm1001 v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.48s
[INFO] running `Command { std: "docker" "inspect" "56b38e10d0a65b0dc2083557639ad84785348e33a0796a89724b75240c2c54d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b38e10d0a65b0dc2083557639ad84785348e33a0796a89724b75240c2c54d4", kill_on_drop: false }`
[INFO] [stdout] 56b38e10d0a65b0dc2083557639ad84785348e33a0796a89724b75240c2c54d4