[INFO] cloning repository https://github.com/morioka-programing-club/graft_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morioka-programing-club/graft_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorioka-programing-club%2Fgraft_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorioka-programing-club%2Fgraft_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa644bdb92208b6f7e1d3ff1e484c4b93d2f72a3
[INFO] checking morioka-programing-club/graft_server against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorioka-programing-club%2Fgraft_server" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morioka-programing-club/graft_server 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-29/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/morioka-programing-club/graft_server
[INFO] finished tweaking git repo https://github.com/morioka-programing-club/graft_server
[INFO] tweaked toml for git repo https://github.com/morioka-programing-club/graft_server written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/morioka-programing-club/graft_server 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pbkdf2 v0.7.5
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded tokio-openssl v0.6.2
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded wildmatch v1.1.0
[INFO] [stderr]   Downloaded const_format_proc_macros v0.2.14
[INFO] [stderr]   Downloaded const_format v0.2.14
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded typed-builder v0.9.0
[INFO] [stderr]   Downloaded neon-build v0.9.0
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[INFO] [stderr]   Downloaded actix-http v3.0.0-beta.8
[INFO] [stderr]   Downloaded os_info v3.0.6
[INFO] [stderr]   Downloaded attohttpc v0.17.0
[INFO] [stderr]   Downloaded hashmap-entry-ownable v0.2.0
[INFO] [stderr]   Downloaded http-link v1.0.1
[INFO] [stderr]   Downloaded serde_with v1.9.4
[INFO] [stderr]   Downloaded zip-extract v0.1.0
[INFO] [stderr]   Downloaded crypto-mac v0.9.1
[INFO] [stderr]   Downloaded mongodb v2.0.0-beta.2
[INFO] [stderr]   Downloaded bson v2.0.0-beta.2
[INFO] [stderr]   Downloaded hmac v0.9.0
[INFO] [stderr]   Downloaded neon v0.9.0
[INFO] [stderr]   Downloaded neon-runtime v0.9.0
[INFO] [stderr]   Downloaded serde_with_macros v1.4.2
[INFO] [stderr]   Downloaded oxide-auth-actix v0.1.0
[INFO] [stderr]   Downloaded cslice v0.2.0
[INFO] [stderr]   Downloaded oxide-auth v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] cd8e016e03192e4c1edfad2fc29bb0908ebd45f583f6b18bd9006645e530ca6f
[INFO] running `Command { std: "docker" "start" "-a" "cd8e016e03192e4c1edfad2fc29bb0908ebd45f583f6b18bd9006645e530ca6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8e016e03192e4c1edfad2fc29bb0908ebd45f583f6b18bd9006645e530ca6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8e016e03192e4c1edfad2fc29bb0908ebd45f583f6b18bd9006645e530ca6f", kill_on_drop: false }`
[INFO] [stdout] cd8e016e03192e4c1edfad2fc29bb0908ebd45f583f6b18bd9006645e530ca6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] cb73529d5a46ff5ff9efa769b551ffa74b816c106a0b5af9eb1693b37dd60f4c
[INFO] running `Command { std: "docker" "start" "-a" "cb73529d5a46ff5ff9efa769b551ffa74b816c106a0b5af9eb1693b37dd60f4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling neon-build v0.9.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking local-waker v0.1.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling tokio-openssl v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling wildmatch v1.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking cslice v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking if_chain v1.0.1
[INFO] [stderr]     Checking napi-sys v1.1.1
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]     Checking version_check v0.9.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking hashmap-entry-ownable v0.2.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking tinyvec v1.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking neon-runtime v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking num-traits v0.2.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking os_info v3.0.6
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling actix-macros v0.2.1
[INFO] [stderr]    Compiling neon-macros v0.9.0
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling inline-json v0.1.0 (https://github.com/axion014/inline-json#62c1a59f)
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling typed-builder v0.9.0
[INFO] [stderr]    Compiling actix-web-codegen v0.5.0-beta.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking actix-utils v3.0.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking elsa v1.4.0 (https://github.com/axion014/elsa?branch=set#c4a08c93)
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.25.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=3e98de19dc023497 -C extra-filename=-3e98de19dc023497 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-b63c6b375077cf74.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap-entry-ownable-0.2.0/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly", feature(hash_raw_entry))]
[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/registry/src/github.com-1ecc6299db9ec823/hashmap-entry-ownable-0.2.0/src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(test))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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" "cb73529d5a46ff5ff9efa769b551ffa74b816c106a0b5af9eb1693b37dd60f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb73529d5a46ff5ff9efa769b551ffa74b816c106a0b5af9eb1693b37dd60f4c", kill_on_drop: false }`
[INFO] [stdout] cb73529d5a46ff5ff9efa769b551ffa74b816c106a0b5af9eb1693b37dd60f4c
