[INFO] cloning repository https://github.com/qvantor/fabric.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qvantor/fabric.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqvantor%2Ffabric.rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqvantor%2Ffabric.rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21eab3ef1a2cad22cdc42ba08deac1f54807cd1c
[INFO] testing qvantor/fabric.rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqvantor%2Ffabric.rs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qvantor/fabric.rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/qvantor/fabric.rs
[INFO] finished tweaking git repo https://github.com/qvantor/fabric.rs
[INFO] tweaked toml for git repo https://github.com/qvantor/fabric.rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/qvantor/fabric.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.30
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.30
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.30
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.30
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.24
[INFO] [stderr]   Downloaded js-sys v0.3.7
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.30
[INFO] [stderr]   Downloaded web-sys v0.3.7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9df5f5274467d2bf44f2f66ea6b696211ffc93c357396b495edfbb4ce56bc977
[INFO] running `"docker" "start" "-a" "9df5f5274467d2bf44f2f66ea6b696211ffc93c357396b495edfbb4ce56bc977"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.30
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.30
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.30
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.30
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.30
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.24
[INFO] [stderr]    Compiling js-sys v0.3.7
[INFO] [stderr]    Compiling web-sys v0.3.7
[INFO] [stderr]    Compiling canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(vec_remove_item)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn add(&mut self, obj: Box<ObjectTR>) -> bool {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn ObjectTR`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:23:35
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn remove(&mut self, obj: Box<ObjectTR>) -> bool {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn ObjectTR`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 | impl PartialEq for ObjectTR {
[INFO] [stderr]    |                    ^^^^^^^^ help: use `dyn`: `dyn ObjectTR`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:115:22
[INFO] [stderr]     |
[INFO] [stderr] 115 |     objects: Vec<Box<ObjectTR>>
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn ObjectTR`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `canvas`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9df5f5274467d2bf44f2f66ea6b696211ffc93c357396b495edfbb4ce56bc977"`
[INFO] running `"docker" "rm" "-f" "9df5f5274467d2bf44f2f66ea6b696211ffc93c357396b495edfbb4ce56bc977"`
[INFO] [stdout] 9df5f5274467d2bf44f2f66ea6b696211ffc93c357396b495edfbb4ce56bc977