[INFO] cloning repository https://github.com/GabrielMajeri/adaptive-profiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielMajeri/adaptive-profiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielMajeri%2Fadaptive-profiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielMajeri%2Fadaptive-profiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a344916cb220542b36b450cc7b32a09e0329668
[INFO] testing GabrielMajeri/adaptive-profiler against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielMajeri%2Fadaptive-profiler" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GabrielMajeri/adaptive-profiler 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] started tweaking git repo https://github.com/GabrielMajeri/adaptive-profiler
[INFO] finished tweaking git repo https://github.com/GabrielMajeri/adaptive-profiler
[INFO] tweaked toml for git repo https://github.com/GabrielMajeri/adaptive-profiler written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/GabrielMajeri/adaptive-profiler 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 inventory v0.1.10
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.2
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] [stderr]   Downloaded inventory-impl v0.1.10
[INFO] [stderr]   Downloaded mmap v0.1.1
[INFO] [stderr]   Downloaded pyo3-macros v0.13.2
[INFO] [stderr]   Downloaded raw-cpuid v9.0.0
[INFO] [stderr]   Downloaded string-interner v0.12.2
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded perfcnt v0.7.1
[INFO] [stderr]   Downloaded x86 v0.37.0
[INFO] [stderr]   Downloaded pyo3 v0.13.2
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded splay v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] ebe888da30e125800a92ab4d42d8fe07624cb3b8a8962bc29d7157b7c1360d9c
[INFO] running `Command { std: "docker" "start" "-a" "ebe888da30e125800a92ab4d42d8fe07624cb3b8a8962bc29d7157b7c1360d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe888da30e125800a92ab4d42d8fe07624cb3b8a8962bc29d7157b7c1360d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe888da30e125800a92ab4d42d8fe07624cb3b8a8962bc29d7157b7c1360d9c", kill_on_drop: false }`
[INFO] [stdout] ebe888da30e125800a92ab4d42d8fe07624cb3b8a8962bc29d7157b7c1360d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ff4e1ff18de40a2058fe880556b89456053746f9d34885e3edae577c90f32ee
[INFO] running `Command { std: "docker" "start" "-a" "7ff4e1ff18de40a2058fe880556b89456053746f9d34885e3edae577c90f32ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]    Compiling splay v0.1.8
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling raw-cpuid v9.0.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mmap v0.1.1
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling string-interner v0.12.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling x86 v0.37.0
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]    Compiling indoc v0.3.6
[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/x86-0.37.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(llvm_asm, core_intrinsics)]
[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 `x86` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7ff4e1ff18de40a2058fe880556b89456053746f9d34885e3edae577c90f32ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff4e1ff18de40a2058fe880556b89456053746f9d34885e3edae577c90f32ee", kill_on_drop: false }`
[INFO] [stdout] 7ff4e1ff18de40a2058fe880556b89456053746f9d34885e3edae577c90f32ee