[INFO] updating cached repository https://github.com/oliver-giersch/rayon-demo-fork
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1c4e7ce21b7f95116625cfbacdc1bd824f07926
[INFO] testing oliver-giersch/rayon-demo-fork against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Foliver-giersch%2Frayon-demo-fork" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oliver-giersch/rayon-demo-fork on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oliver-giersch/rayon-demo-fork
[INFO] finished tweaking git repo https://github.com/oliver-giersch/rayon-demo-fork
[INFO] tweaked toml for git repo https://github.com/oliver-giersch/rayon-demo-fork written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/oliver-giersch/rayon`
[INFO] [stderr]     Updating git repository `https://github.com/oliver-giersch/crossbeam-deque-0-7-1-fork`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4783615a687e0d5fb363ae7b6b900b0c87ac12e2072372408f1949ae91cf48aa
[INFO] running `"docker" "start" "-a" "4783615a687e0d5fb363ae7b6b900b0c87ac12e2072372408f1949ae91cf48aa"`
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.5.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.5.0 (https://github.com/oliver-giersch/rayon?branch=with_epoch#a45e5b71)
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling rawslice v0.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling odds v0.3.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling stb_truetype v0.3.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1 (https://github.com/oliver-giersch/crossbeam-deque-0-7-1-fork?branch=with_epoch#810ec037)
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling rayon v1.1.0 (https://github.com/oliver-giersch/rayon?branch=with_epoch#a45e5b71)
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glium v0.24.0
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.3
[INFO] [stderr]    Compiling glutin v0.20.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling rayon-demo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tsp/mod.rs:106:55
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn parse_solver(datafile: &Path) -> Result<Graph, Box<Error>> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.49s
[INFO] running `"docker" "inspect" "4783615a687e0d5fb363ae7b6b900b0c87ac12e2072372408f1949ae91cf48aa"`
[INFO] running `"docker" "rm" "-f" "4783615a687e0d5fb363ae7b6b900b0c87ac12e2072372408f1949ae91cf48aa"`
[INFO] [stdout] 4783615a687e0d5fb363ae7b6b900b0c87ac12e2072372408f1949ae91cf48aa
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b207b54721aefd3a0f008ae6e4691353af4a1d50cb128cf201318be684bf6acb
[INFO] running `"docker" "start" "-a" "b207b54721aefd3a0f008ae6e4691353af4a1d50cb128cf201318be684bf6acb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rayon-demo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(test, feature(test))]
[INFO] [stderr]   |                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tsp/mod.rs:106:55
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn parse_solver(datafile: &Path) -> Result<Graph, Box<Error>> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `rayon-demo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b207b54721aefd3a0f008ae6e4691353af4a1d50cb128cf201318be684bf6acb"`
[INFO] running `"docker" "rm" "-f" "b207b54721aefd3a0f008ae6e4691353af4a1d50cb128cf201318be684bf6acb"`
[INFO] [stdout] b207b54721aefd3a0f008ae6e4691353af4a1d50cb128cf201318be684bf6acb