[INFO] fetching crate srp6 1.0.0-alpha.1...
[INFO] checking srp6-1.0.0-alpha.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate srp6 1.0.0-alpha.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate srp6 1.0.0-alpha.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srp6 1.0.0-alpha.1
[INFO] finished tweaking crates.io crate srp6 1.0.0-alpha.1
[INFO] tweaked toml for crates.io crate srp6 1.0.0-alpha.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate srp6 1.0.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 275101c1f057b56debccddd851c6adcc28aaebb26608c72e1e2eccb6e0f29141
[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" "275101c1f057b56debccddd851c6adcc28aaebb26608c72e1e2eccb6e0f29141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "275101c1f057b56debccddd851c6adcc28aaebb26608c72e1e2eccb6e0f29141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275101c1f057b56debccddd851c6adcc28aaebb26608c72e1e2eccb6e0f29141", kill_on_drop: false }`
[INFO] [stdout] 275101c1f057b56debccddd851c6adcc28aaebb26608c72e1e2eccb6e0f29141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e14ec594121d64c5a551302e00c88c617b3cd9debbad1a74fbceb9d76279ef28
[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" "e14ec594121d64c5a551302e00c88c617b3cd9debbad1a74fbceb9d76279ef28", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking srp6 v1.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.25s
[INFO] running `Command { std: "docker" "inspect" "e14ec594121d64c5a551302e00c88c617b3cd9debbad1a74fbceb9d76279ef28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14ec594121d64c5a551302e00c88c617b3cd9debbad1a74fbceb9d76279ef28", kill_on_drop: false }`
[INFO] [stdout] e14ec594121d64c5a551302e00c88c617b3cd9debbad1a74fbceb9d76279ef28