[INFO] cloning repository https://github.com/kurtlawrence/papyrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kurtlawrence/papyrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurtlawrence%2Fpapyrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurtlawrence%2Fpapyrus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c7f0a669fed59d220bdefb161c568072126d3d5
[INFO] checking kurtlawrence/papyrus against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurtlawrence%2Fpapyrus" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kurtlawrence/papyrus on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kurtlawrence/papyrus
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/kurtlawrence/papyrus
[INFO] tweaked toml for git repo https://github.com/kurtlawrence/papyrus written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kurtlawrence/papyrus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stacker v0.1.12
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v697.0.0
[INFO] [stderr]   Downloaded measureme v9.0.0
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded rls-span v0.5.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v697.0.0
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v697.0.0
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded base91 v0.0.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v697.0.0
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded tinytemplate v1.2.0
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v697.0.0
[INFO] [stderr]   Downloaded racer v2.1.42
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v697.0.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v697.0.0
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v697.0.0
[INFO] [stderr]   Downloaded term_cursor v0.2.1
[INFO] [stderr]   Downloaded racer-cargo-metadata v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v697.0.0
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] [stderr]   Downloaded racer-interner v0.1.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v697.0.0
[INFO] [stderr]   Downloaded cmdtree v0.10.1
[INFO] [stderr]   Downloaded kserd v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 591a826511bc7612698c5b763c4d3636419bee3c31626284fc6645d0d10dffd3
[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" "591a826511bc7612698c5b763c4d3636419bee3c31626284fc6645d0d10dffd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "591a826511bc7612698c5b763c4d3636419bee3c31626284fc6645d0d10dffd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591a826511bc7612698c5b763c4d3636419bee3c31626284fc6645d0d10dffd3", kill_on_drop: false }`
[INFO] [stdout] 591a826511bc7612698c5b763c4d3636419bee3c31626284fc6645d0d10dffd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a582b9c631006a1be81cc76e5f1f2cc3d73356dc009f1243383fc661835ae8b2
[INFO] running `Command { std: "docker" "start" "-a" "a582b9c631006a1be81cc76e5f1f2cc3d73356dc009f1243383fc661835ae8b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v697.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v697.0.0
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking base91 v0.0.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking rustc-ap-rustc_arena v697.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v697.0.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] error[E0635]: unknown feature `array_value_iter_slice`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_arena-697.0.0/src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(array_value_iter_slice)]
[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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_arena`
[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" "a582b9c631006a1be81cc76e5f1f2cc3d73356dc009f1243383fc661835ae8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a582b9c631006a1be81cc76e5f1f2cc3d73356dc009f1243383fc661835ae8b2", kill_on_drop: false }`
[INFO] [stdout] a582b9c631006a1be81cc76e5f1f2cc3d73356dc009f1243383fc661835ae8b2