[INFO] cloning repository https://github.com/hwchen/warp-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwchen/warp-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fwarp-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fwarp-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1fd156b54107850d627c2ec4c7a97fd598d0775
[INFO] checking hwchen/warp-test against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fwarp-test" "/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/hwchen/warp-test on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hwchen/warp-test
[INFO] finished tweaking git repo https://github.com/hwchen/warp-test
[INFO] tweaked toml for git repo https://github.com/hwchen/warp-test written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hwchen/warp-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] f0e20a3f16b645f8160264a010b0d9a4f9f13e4dfcfe40b63e632bfda2cc3a68
[INFO] running `Command { std: "docker" "start" "-a" "f0e20a3f16b645f8160264a010b0d9a4f9f13e4dfcfe40b63e632bfda2cc3a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0e20a3f16b645f8160264a010b0d9a4f9f13e4dfcfe40b63e632bfda2cc3a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e20a3f16b645f8160264a010b0d9a4f9f13e4dfcfe40b63e632bfda2cc3a68", kill_on_drop: false }`
[INFO] [stdout] f0e20a3f16b645f8160264a010b0d9a4f9f13e4dfcfe40b63e632bfda2cc3a68
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aca83d61f25f12fb19cc33976654ddd09f5496ddd01a5fd6c34fe2cd1a8f063
[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" "6aca83d61f25f12fb19cc33976654ddd09f5496ddd01a5fd6c34fe2cd1a8f063", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.5
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking h2 v0.2.3
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking warp v0.2.2
[INFO] [stderr]     Checking warp-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "6aca83d61f25f12fb19cc33976654ddd09f5496ddd01a5fd6c34fe2cd1a8f063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aca83d61f25f12fb19cc33976654ddd09f5496ddd01a5fd6c34fe2cd1a8f063", kill_on_drop: false }`
[INFO] [stdout] 6aca83d61f25f12fb19cc33976654ddd09f5496ddd01a5fd6c34fe2cd1a8f063