[INFO] cloning repository https://github.com/tirr-c/rosemain-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tirr-c/rosemain-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirr-c%2Frosemain-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirr-c%2Frosemain-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31904d6476a4e9adc665ec9b59e85cd136104b54
[INFO] checking tirr-c/rosemain-backend against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirr-c%2Frosemain-backend" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tirr-c/rosemain-backend on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tirr-c/rosemain-backend
[INFO] finished tweaking git repo https://github.com/tirr-c/rosemain-backend
[INFO] tweaked toml for git repo https://github.com/tirr-c/rosemain-backend written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tirr-c/rosemain-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7f06914f1f0fa3bada8f53d93a5faf5b16ffab83086173301c8cfd419b4c3ab
[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" "c7f06914f1f0fa3bada8f53d93a5faf5b16ffab83086173301c8cfd419b4c3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f06914f1f0fa3bada8f53d93a5faf5b16ffab83086173301c8cfd419b4c3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f06914f1f0fa3bada8f53d93a5faf5b16ffab83086173301c8cfd419b4c3ab", kill_on_drop: false }`
[INFO] [stdout] c7f06914f1f0fa3bada8f53d93a5faf5b16ffab83086173301c8cfd419b4c3ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90298510827a4b7ffbfebe711141d676067f57762e039698c7f707a6b4fd9f59
[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" "90298510827a4b7ffbfebe711141d676067f57762e039698c7f707a6b4fd9f59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking path-table v1.0.0
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking ryu v0.2.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stdout] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     task::{LocalWaker, Poll},
[INFO] [stdout]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stdout]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout]   |                                   |
[INFO] [stdout]   |                                   no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stdout]    |                           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           no `local_waker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-core-preview`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "90298510827a4b7ffbfebe711141d676067f57762e039698c7f707a6b4fd9f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90298510827a4b7ffbfebe711141d676067f57762e039698c7f707a6b4fd9f59", kill_on_drop: false }`
[INFO] [stdout] 90298510827a4b7ffbfebe711141d676067f57762e039698c7f707a6b4fd9f59