[INFO] fetching crate nisty 0.1.0-alpha.2...
[INFO] checking nisty-0.1.0-alpha.2 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate nisty 0.1.0-alpha.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nisty 0.1.0-alpha.2 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nisty 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate nisty 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate nisty 0.1.0-alpha.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded cortex-m-funnel v0.1.0-alpha.1
[INFO] [stderr]   Downloaded cosey v0.1.0-alpha.0
[INFO] [stderr]   Downloaded bindgen v0.53.3
[INFO] [stderr]   Downloaded heapless-bytes v0.1.0
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded ufmt-macros v0.1.1
[INFO] [stderr]   Downloaded asn1derpy v0.1.0
[INFO] [stderr]   Downloaded cortex-m-funnel-macros v0.1.0-alpha.1
[INFO] [stderr]   Downloaded micro-ecc-sys v0.3.1
[INFO] [stderr]   Downloaded ufmt v0.1.0
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45e85232c8d16497e81fc689fa50aabc0b700cfe7db6cdfcc0631419a19e645b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45e85232c8d16497e81fc689fa50aabc0b700cfe7db6cdfcc0631419a19e645b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45e85232c8d16497e81fc689fa50aabc0b700cfe7db6cdfcc0631419a19e645b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e85232c8d16497e81fc689fa50aabc0b700cfe7db6cdfcc0631419a19e645b", kill_on_drop: false }`
[INFO] [stdout] 45e85232c8d16497e81fc689fa50aabc0b700cfe7db6cdfcc0631419a19e645b
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7545bbb229287404b2697d7137d63c9b0f63e184935ec2d84664af56f3194737
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7545bbb229287404b2697d7137d63c9b0f63e184935ec2d84664af56f3194737", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking heapless-bytes v0.1.0
[INFO] [stderr]     Checking asn1derpy v0.1.0
[INFO] [stderr]    Compiling micro-ecc-sys v0.3.1
[INFO] [stderr]     Checking nisty v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.27s
[INFO] running `Command { std: "docker" "inspect" "7545bbb229287404b2697d7137d63c9b0f63e184935ec2d84664af56f3194737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7545bbb229287404b2697d7137d63c9b0f63e184935ec2d84664af56f3194737", kill_on_drop: false }`
[INFO] [stdout] 7545bbb229287404b2697d7137d63c9b0f63e184935ec2d84664af56f3194737