[INFO] cloning repository https://github.com/twilco/kosmonaut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twilco/kosmonaut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwilco%2Fkosmonaut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwilco%2Fkosmonaut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1cbbdadf07e0af6143fe534457a9043aeaf502f
[INFO] checking twilco/kosmonaut against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwilco%2Fkosmonaut" "/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/twilco/kosmonaut 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] removed /workspace/builds/worker-2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/twilco/kosmonaut
[INFO] finished tweaking git repo https://github.com/twilco/kosmonaut
[INFO] tweaked toml for git repo https://github.com/twilco/kosmonaut written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/twilco/kosmonaut 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]  Downloading crates ...
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[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
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[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded utf-8 v0.7.5
[INFO] [stderr]   Downloaded num_enum_derive v0.4.3
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[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.5
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[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c4ef6f8dc3832b2e9ebcd5e2d9443fa75d20b8a19ec9b3412cff967a96afda
[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" "71c4ef6f8dc3832b2e9ebcd5e2d9443fa75d20b8a19ec9b3412cff967a96afda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c4ef6f8dc3832b2e9ebcd5e2d9443fa75d20b8a19ec9b3412cff967a96afda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c4ef6f8dc3832b2e9ebcd5e2d9443fa75d20b8a19ec9b3412cff967a96afda", kill_on_drop: false }`
[INFO] [stdout] 71c4ef6f8dc3832b2e9ebcd5e2d9443fa75d20b8a19ec9b3412cff967a96afda
[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=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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a13c2a5edbb522df94799c2e72987e6f91aeeb60aa5f6e63c8e299c447868e9
[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" "0a13c2a5edbb522df94799c2e72987e6f91aeeb60aa5f6e63c8e299c447868e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking smallbitvec v2.5.0
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling isahc v1.4.0
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.0.1
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling datatest v0.6.4 (https://github.com/twilco/datatest?branch=downgrade-version-check#148a6ccf)
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling gl v0.1.0 (/opt/rustwide/workdir/components/gl)
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]     Checking libz-sys v1.1.2
[INFO] [stderr]     Checking openssl-sys v0.9.60
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking accountable-refcell v0.2.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking freetype v0.5.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking servo-fontconfig v0.5.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking font-kit v0.9.0 (https://github.com/twilco/font-kit#36dbce30)
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking glutin_glx_sys v0.1.7
[INFO] [stderr]     Checking darling_core v0.12.3
[INFO] [stderr]     Checking cli v0.1.0 (/opt/rustwide/workdir/components/cli)
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking wayland-commons v0.28.5
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling enum_dispatch v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.14
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling datatest-derive v0.6.4 (https://github.com/twilco/datatest?branch=downgrade-version-check#148a6ccf)
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking wayland-cursor v0.28.5
[INFO] [stderr]     Checking wayland-egl v0.28.5
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling darling_macro v0.12.3
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling darling v0.12.3
[INFO] [stderr]    Compiling derive_builder_core v0.10.0
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]    Compiling derive_builder_macro v0.10.0
[INFO] [stderr]     Checking derive_builder v0.10.0
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking app_units v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking primitives v0.1.0 (/opt/rustwide/workdir/components/primitives)
[INFO] [stderr]     Checking insta v1.7.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/datatest-94d25ff476a574e2/148a6cc/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/datatest-94d25ff476a574e2/148a6cc/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/datatest-94d25ff476a574e2/148a6cc/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(termination_trait_lib)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `compile_fail` and `no_run` in initializer of `TestDesc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/datatest-94d25ff476a574e2/148a6cc/src/runner.rs:174:23
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 desc: TestDesc {
[INFO] [stdout]     |                       ^^^^^^^^ missing `compile_fail` and `no_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `compile_fail` and `no_run` in initializer of `TestDesc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/datatest-94d25ff476a574e2/148a6cc/src/runner.rs:219:19
[INFO] [stdout]     |
[INFO] [stdout] 219 |             desc: TestDesc {
[INFO] [stdout]     |                   ^^^^^^^^ missing `compile_fail` and `no_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `compile_fail` and `no_run` in initializer of `TestDesc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/datatest-94d25ff476a574e2/148a6cc/src/runner.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 desc: TestDesc {
[INFO] [stdout]     |                       ^^^^^^^^ missing `compile_fail` and `no_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: attempting to compile datatest on stable without opting in to subvert_stable_guarantees feature; will fail
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `datatest` due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a13c2a5edbb522df94799c2e72987e6f91aeeb60aa5f6e63c8e299c447868e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a13c2a5edbb522df94799c2e72987e6f91aeeb60aa5f6e63c8e299c447868e9", kill_on_drop: false }`
[INFO] [stdout] 0a13c2a5edbb522df94799c2e72987e6f91aeeb60aa5f6e63c8e299c447868e9
