[INFO] cloning repository https://github.com/youhavethewrong/hyperboop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youhavethewrong/hyperboop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Fhyperboop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Fhyperboop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00caf586bf4d20b09ec28e320c1302158eedccb9
[INFO] checking youhavethewrong/hyperboop against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Fhyperboop" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youhavethewrong/hyperboop on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/youhavethewrong/hyperboop
[INFO] finished tweaking git repo https://github.com/youhavethewrong/hyperboop
[INFO] tweaked toml for git repo https://github.com/youhavethewrong/hyperboop written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/youhavethewrong/hyperboop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c25f2ac4e7b43010202cbbd510ea11550a40959d794ee2e44c3e6f887cf036c4
[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" "c25f2ac4e7b43010202cbbd510ea11550a40959d794ee2e44c3e6f887cf036c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c25f2ac4e7b43010202cbbd510ea11550a40959d794ee2e44c3e6f887cf036c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25f2ac4e7b43010202cbbd510ea11550a40959d794ee2e44c3e6f887cf036c4", kill_on_drop: false }`
[INFO] [stdout] c25f2ac4e7b43010202cbbd510ea11550a40959d794ee2e44c3e6f887cf036c4
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] aad1a60741e43d73c1eb7acc93f9565151df4c0bbf36e6b3ceae0d43da8fa6f6
[INFO] running `Command { std: "docker" "start" "-a" "aad1a60741e43d73c1eb7acc93f9565151df4c0bbf36e6b3ceae0d43da8fa6f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking hyperboop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.06s
[INFO] running `Command { std: "docker" "inspect" "aad1a60741e43d73c1eb7acc93f9565151df4c0bbf36e6b3ceae0d43da8fa6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad1a60741e43d73c1eb7acc93f9565151df4c0bbf36e6b3ceae0d43da8fa6f6", kill_on_drop: false }`
[INFO] [stdout] aad1a60741e43d73c1eb7acc93f9565151df4c0bbf36e6b3ceae0d43da8fa6f6