[INFO] cloning repository https://github.com/NestedWorld/NestedWorld-Server-RealTime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NestedWorld/NestedWorld-Server-RealTime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNestedWorld%2FNestedWorld-Server-RealTime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNestedWorld%2FNestedWorld-Server-RealTime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e82c230a53a8baa65a0b20944cf413750029090e
[INFO] testing NestedWorld/NestedWorld-Server-RealTime against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNestedWorld%2FNestedWorld-Server-RealTime" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NestedWorld/NestedWorld-Server-RealTime on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NestedWorld/NestedWorld-Server-RealTime
[INFO] finished tweaking git repo https://github.com/NestedWorld/NestedWorld-Server-RealTime
[INFO] tweaked toml for git repo https://github.com/NestedWorld/NestedWorld-Server-RealTime written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/NestedWorld/NestedWorld-Server-RealTime already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 90a5a58c1948392553b19a37ea290354338da9400aa681c9b5a869a0472798c1
[INFO] running `Command { std: "docker" "start" "-a" "90a5a58c1948392553b19a37ea290354338da9400aa681c9b5a869a0472798c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90a5a58c1948392553b19a37ea290354338da9400aa681c9b5a869a0472798c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a5a58c1948392553b19a37ea290354338da9400aa681c9b5a869a0472798c1", kill_on_drop: false }`
[INFO] [stdout] 90a5a58c1948392553b19a37ea290354338da9400aa681c9b5a869a0472798c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e15959259e75fc3a7b1d21230d28e40608d1b9d0fe839b19a4b0f9b739a6e2
[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" "89e15959259e75fc3a7b1d21230d28e40608d1b9d0fe839b19a4b0f9b739a6e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling gcc v0.3.33
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling postgres-derive-codegen v0.1.3
[INFO] [stderr]    Compiling phf_shared v0.7.15
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling bufstream v0.1.2
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling uuid v0.2.3
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling owning_ref v0.2.0
[INFO] [stderr]    Compiling thread-scoped v1.0.1
[INFO] [stderr]    Compiling spin v0.4.3
[INFO] [stderr]    Compiling slab v0.2.0
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v0.7.4
[INFO] [stderr]    Compiling r2d2 v0.7.0
[INFO] [stderr]    Compiling phf v0.7.15
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling term_size v0.1.0
[INFO] [stderr]    Compiling humantime v0.1.3
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling rmp v0.7.5
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling clap v2.10.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/postgres-derive-codegen-0.1.3/src/lib.rs:1:66
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "with-syntex"), feature(rustc_private, quote))]
[INFO] [stdout]   |                                                                  ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/postgres-derive-codegen-0.1.3/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `postgres-derive-codegen` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.10.1/src/lib.rs:383:34
[INFO] [stdout]     |
[INFO] [stdout] 383 | #![cfg_attr(feature = "nightly", feature(plugin))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "89e15959259e75fc3a7b1d21230d28e40608d1b9d0fe839b19a4b0f9b739a6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e15959259e75fc3a7b1d21230d28e40608d1b9d0fe839b19a4b0f9b739a6e2", kill_on_drop: false }`
[INFO] [stdout] 89e15959259e75fc3a7b1d21230d28e40608d1b9d0fe839b19a4b0f9b739a6e2