[INFO] cloning repository https://github.com/lespea/browser-history
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lespea/browser-history" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flespea%2Fbrowser-history", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flespea%2Fbrowser-history'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3868a113f718be9e0166575a0e0a7bf3196ba9d9
[INFO] testing lespea/browser-history against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flespea%2Fbrowser-history" "/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/lespea/browser-history on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lespea/browser-history
[INFO] finished tweaking git repo https://github.com/lespea/browser-history
[INFO] tweaked toml for git repo https://github.com/lespea/browser-history written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lespea/browser-history already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d0854a55967646f60716515c206baadd9df43656d4cb25b1234b4edb035e7e1
[INFO] running `Command { std: "docker" "start" "-a" "0d0854a55967646f60716515c206baadd9df43656d4cb25b1234b4edb035e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d0854a55967646f60716515c206baadd9df43656d4cb25b1234b4edb035e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0854a55967646f60716515c206baadd9df43656d4cb25b1234b4edb035e7e1", kill_on_drop: false }`
[INFO] [stdout] 0d0854a55967646f60716515c206baadd9df43656d4cb25b1234b4edb035e7e1
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3cb91c0452f97a1d4e42437af97f857c36a5cb7aef7d0da709a59cb6574c519
[INFO] running `Command { std: "docker" "start" "-a" "a3cb91c0452f97a1d4e42437af97f857c36a5cb7aef7d0da709a59cb6574c519", kill_on_drop: false }`
[INFO] [stderr]    Compiling browser-history v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[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 `browser-history` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a3cb91c0452f97a1d4e42437af97f857c36a5cb7aef7d0da709a59cb6574c519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3cb91c0452f97a1d4e42437af97f857c36a5cb7aef7d0da709a59cb6574c519", kill_on_drop: false }`
[INFO] [stdout] a3cb91c0452f97a1d4e42437af97f857c36a5cb7aef7d0da709a59cb6574c519
