[INFO] cloning repository https://github.com/IsaacWoods/commonplace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IsaacWoods/commonplace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacWoods%2Fcommonplace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacWoods%2Fcommonplace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89e9ac8ce8dc5626f31190ef660dc8c26a1cd340
[INFO] checking IsaacWoods/commonplace against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacWoods%2Fcommonplace" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IsaacWoods/commonplace 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-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/IsaacWoods/commonplace
[INFO] finished tweaking git repo https://github.com/IsaacWoods/commonplace
[INFO] tweaked toml for git repo https://github.com/IsaacWoods/commonplace written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/IsaacWoods/commonplace 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dc84742fef4c9b020e0ce6749e64c4b1045de33020ff1cf1c3a304a2dc069d63
[INFO] running `Command { std: "docker" "start" "-a" "dc84742fef4c9b020e0ce6749e64c4b1045de33020ff1cf1c3a304a2dc069d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc84742fef4c9b020e0ce6749e64c4b1045de33020ff1cf1c3a304a2dc069d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc84742fef4c9b020e0ce6749e64c4b1045de33020ff1cf1c3a304a2dc069d63", kill_on_drop: false }`
[INFO] [stdout] dc84742fef4c9b020e0ce6749e64c4b1045de33020ff1cf1c3a304a2dc069d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1331986013c4d1209c9b2fee19161560096a7f8394041e129e57c556273bc486
[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" "1331986013c4d1209c9b2fee19161560096a7f8394041e129e57c556273bc486", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling inlinable_string v0.1.14
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling state v0.5.2
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]     Checking levenshtein_automata v0.2.1
[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]    Compiling xflags-macros v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling xshell-macros v0.1.14
[INFO] [stderr]     Checking tantivy-bitpacker v0.1.0
[INFO] [stderr]     Checking fastdivide v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling figment v0.10.6
[INFO] [stderr]    Compiling multer v2.0.0
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling rocket v0.5.0-rc.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking xshell v0.1.14
[INFO] [stderr]     Checking tantivy-fst v0.3.0
[INFO] [stderr]     Checking lz4_flex v0.8.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bitpacking v0.8.4
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking stable-pattern v0.1.0
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking xflags v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking fail v0.4.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling devise_core v0.3.0
[INFO] [stderr]     Checking tantivy-query-grammar v0.15.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling devise_codegen v0.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]    Compiling devise v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]    Compiling pear v0.2.3
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking ubyte v0.10.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking commonplace v0.1.0 (/opt/rustwide/workdir/commonplace)
[INFO] [stderr]     Checking tantivy v0.15.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking rocket_http v0.5.0-rc.1
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.1
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> server/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> server/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `server` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "1331986013c4d1209c9b2fee19161560096a7f8394041e129e57c556273bc486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1331986013c4d1209c9b2fee19161560096a7f8394041e129e57c556273bc486", kill_on_drop: false }`
[INFO] [stdout] 1331986013c4d1209c9b2fee19161560096a7f8394041e129e57c556273bc486
