[INFO] cloning repository https://github.com/michaelmelanson/omjit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelmelanson/omjit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Fomjit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Fomjit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8586cec3b53fc36046bd2ea33468ea7770c88c6
[INFO] testing michaelmelanson/omjit against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Fomjit" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelmelanson/omjit on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/michaelmelanson/omjit
[INFO] finished tweaking git repo https://github.com/michaelmelanson/omjit
[INFO] tweaked toml for git repo https://github.com/michaelmelanson/omjit written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelmelanson/omjit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 6b1ae043870560bc0e44931e44105065f83fa0c761cce1bad33ff539ffc47e0c
[INFO] running `Command { std: "docker" "start" "-a" "6b1ae043870560bc0e44931e44105065f83fa0c761cce1bad33ff539ffc47e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1ae043870560bc0e44931e44105065f83fa0c761cce1bad33ff539ffc47e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1ae043870560bc0e44931e44105065f83fa0c761cce1bad33ff539ffc47e0c", kill_on_drop: false }`
[INFO] [stdout] 6b1ae043870560bc0e44931e44105065f83fa0c761cce1bad33ff539ffc47e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f97d4e343640a640f54cc1f4e8ade4e6911053ee4d68adbcaaab2112617e9a0
[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" "9f97d4e343640a640f54cc1f4e8ade4e6911053ee4d68adbcaaab2112617e9a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling iced-x86 v1.15.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling nom_locate v3.0.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]    Compiling almond v0.2.0
[INFO] [stderr]    Compiling omjit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_roundings)]
[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 `omjit` 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" "9f97d4e343640a640f54cc1f4e8ade4e6911053ee4d68adbcaaab2112617e9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f97d4e343640a640f54cc1f4e8ade4e6911053ee4d68adbcaaab2112617e9a0", kill_on_drop: false }`
[INFO] [stdout] 9f97d4e343640a640f54cc1f4e8ade4e6911053ee4d68adbcaaab2112617e9a0