[INFO] cloning repository https://github.com/futurepaul/buidl-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/futurepaul/buidl-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuturepaul%2Fbuidl-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuturepaul%2Fbuidl-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ebf5146e212bf355c45786e610fedb9cf9b04ad
[INFO] checking futurepaul/buidl-rs against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuturepaul%2Fbuidl-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/futurepaul/buidl-rs on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/futurepaul/buidl-rs
[INFO] finished tweaking git repo https://github.com/futurepaul/buidl-rs
[INFO] tweaked toml for git repo https://github.com/futurepaul/buidl-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/futurepaul/buidl-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d9e3c7bcd0da0c9422b6931ec6b7ed741f09d0f061003ab518321a54fac1210
[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" "2d9e3c7bcd0da0c9422b6931ec6b7ed741f09d0f061003ab518321a54fac1210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d9e3c7bcd0da0c9422b6931ec6b7ed741f09d0f061003ab518321a54fac1210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9e3c7bcd0da0c9422b6931ec6b7ed741f09d0f061003ab518321a54fac1210", kill_on_drop: false }`
[INFO] [stdout] 2d9e3c7bcd0da0c9422b6931ec6b7ed741f09d0f061003ab518321a54fac1210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5dd49b73d87328eb10a7019aa9ba5280f8c0b45efae5acbec170bc7a28018549
[INFO] running `Command { std: "docker" "start" "-a" "5dd49b73d87328eb10a7019aa9ba5280f8c0b45efae5acbec170bc7a28018549", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]    Compiling secp256k1 v0.11.2
[INFO] [stderr]     Checking hex-literal v0.1.1
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking buidl-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.22s
[INFO] running `Command { std: "docker" "inspect" "5dd49b73d87328eb10a7019aa9ba5280f8c0b45efae5acbec170bc7a28018549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd49b73d87328eb10a7019aa9ba5280f8c0b45efae5acbec170bc7a28018549", kill_on_drop: false }`
[INFO] [stdout] 5dd49b73d87328eb10a7019aa9ba5280f8c0b45efae5acbec170bc7a28018549