[INFO] cloning repository https://github.com/alesharik/distros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alesharik/distros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesharik%2Fdistros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesharik%2Fdistros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48696780380d1b4c8dd077e78620359207008cab
[INFO] testing alesharik/distros against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesharik%2Fdistros" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alesharik/distros on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alesharik/distros
[INFO] finished tweaking git repo https://github.com/alesharik/distros
[INFO] tweaked toml for git repo https://github.com/alesharik/distros written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/alesharik/distros already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.cfg(target_os = "none").runner
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/alesharik/smbios-lib.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-osdev/vga.git`
[INFO] [stderr]     Updating git repository `https://github.com/alesharik/vte.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24855eb1e0de3ae7f4d44de1f4c6ed05abdcd3582e6af2dd01c28255e927dcb8
[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" "24855eb1e0de3ae7f4d44de1f4c6ed05abdcd3582e6af2dd01c28255e927dcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24855eb1e0de3ae7f4d44de1f4c6ed05abdcd3582e6af2dd01c28255e927dcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24855eb1e0de3ae7f4d44de1f4c6ed05abdcd3582e6af2dd01c28255e927dcb8", kill_on_drop: false }`
[INFO] [stdout] 24855eb1e0de3ae7f4d44de1f4c6ed05abdcd3582e6af2dd01c28255e927dcb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83220830f691c3520fcaf827e718213c965094ad2287f908f76f61d141b2115e
[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" "83220830f691c3520fcaf827e718213c965094ad2287f908f76f61d141b2115e", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.cfg(target_os = "none").runner
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling bootloader v0.9.18
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling utf8parse v0.2.0 (https://github.com/alesharik/vte.git?branch=move-ansi#1ea113be)
[INFO] [stderr]    Compiling bit v0.1.1
[INFO] [stderr]    Compiling font8x8 v0.3.1
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling archery v0.4.0
[INFO] [stderr]    Compiling distros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling conquer-once v0.3.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pci_types v0.2.0
[INFO] [stderr]    Compiling itertools v0.10.1
[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]    Compiling rand v0.8.3
[INFO] [stderr] error: could not compile `lock_api` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "83220830f691c3520fcaf827e718213c965094ad2287f908f76f61d141b2115e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83220830f691c3520fcaf827e718213c965094ad2287f908f76f61d141b2115e", kill_on_drop: false }`
[INFO] [stdout] 83220830f691c3520fcaf827e718213c965094ad2287f908f76f61d141b2115e