[INFO] cloning repository https://github.com/kuniyoshi/one_seek_one_read
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuniyoshi/one_seek_one_read" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuniyoshi%2Fone_seek_one_read", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuniyoshi%2Fone_seek_one_read'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a37c8015d1b4f498fb14850ab8954a971f9dab17
[INFO] checking kuniyoshi/one_seek_one_read against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuniyoshi%2Fone_seek_one_read" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kuniyoshi/one_seek_one_read on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kuniyoshi/one_seek_one_read
[INFO] finished tweaking git repo https://github.com/kuniyoshi/one_seek_one_read
[INFO] tweaked toml for git repo https://github.com/kuniyoshi/one_seek_one_read written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kuniyoshi/one_seek_one_read already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4a7fed5f8d3c49a35dcd4a76c0be0963d2e9f745a2fe51980a14f3cfb90f2d2
[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" "d4a7fed5f8d3c49a35dcd4a76c0be0963d2e9f745a2fe51980a14f3cfb90f2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a7fed5f8d3c49a35dcd4a76c0be0963d2e9f745a2fe51980a14f3cfb90f2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a7fed5f8d3c49a35dcd4a76c0be0963d2e9f745a2fe51980a14f3cfb90f2d2", kill_on_drop: false }`
[INFO] [stdout] d4a7fed5f8d3c49a35dcd4a76c0be0963d2e9f745a2fe51980a14f3cfb90f2d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a5c5d3ff30c8d12378982dfb7ce5c4496fe423d46e3bfdf3f8650e8f4eadff
[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" "03a5c5d3ff30c8d12378982dfb7ce5c4496fe423d46e3bfdf3f8650e8f4eadff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling auto_enums_derive v0.7.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking hex v0.4.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling derive_utils v0.9.1
[INFO] [stderr]    Compiling auto_enums_core v0.7.1
[INFO] [stderr]     Checking auto_enums v0.7.1
[INFO] [stderr]     Checking one_seek_one_read v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.80s
[INFO] running `Command { std: "docker" "inspect" "03a5c5d3ff30c8d12378982dfb7ce5c4496fe423d46e3bfdf3f8650e8f4eadff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a5c5d3ff30c8d12378982dfb7ce5c4496fe423d46e3bfdf3f8650e8f4eadff", kill_on_drop: false }`
[INFO] [stdout] 03a5c5d3ff30c8d12378982dfb7ce5c4496fe423d46e3bfdf3f8650e8f4eadff