[INFO] cloning repository https://github.com/DevHeap/karma_slap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevHeap/karma_slap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevHeap%2Fkarma_slap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevHeap%2Fkarma_slap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd661618b3552ad059ba1007ab4d01b3fdc6f1f2
[INFO] testing DevHeap/karma_slap against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevHeap%2Fkarma_slap" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DevHeap/karma_slap on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DevHeap/karma_slap
[INFO] finished tweaking git repo https://github.com/DevHeap/karma_slap
[INFO] tweaked toml for git repo https://github.com/DevHeap/karma_slap written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/DevHeap/karma_slap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b67a19cba2ae78c73fd68c62ab68f0a934cb7493405568071a057739ec157c2
[INFO] running `Command { std: "docker" "start" "-a" "9b67a19cba2ae78c73fd68c62ab68f0a934cb7493405568071a057739ec157c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b67a19cba2ae78c73fd68c62ab68f0a934cb7493405568071a057739ec157c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b67a19cba2ae78c73fd68c62ab68f0a934cb7493405568071a057739ec157c2", kill_on_drop: false }`
[INFO] [stdout] 9b67a19cba2ae78c73fd68c62ab68f0a934cb7493405568071a057739ec157c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b092cf4e7940d56597e9af220431f5f7585972899b0bc478eb1f0efd7c066451
[INFO] running `Command { std: "docker" "start" "-a" "b092cf4e7940d56597e9af220431f5f7585972899b0bc478eb1f0efd7c066451", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling app_dirs v1.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling karma_slap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.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] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |         Json(::json::Error);
[INFO] [stdout] 5 | |         AppDirs(::app_dirs::AppDirsError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |         Json(::json::Error);
[INFO] [stdout] 5 | |         AppDirs(::app_dirs::AppDirsError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `karma_slap` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b092cf4e7940d56597e9af220431f5f7585972899b0bc478eb1f0efd7c066451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b092cf4e7940d56597e9af220431f5f7585972899b0bc478eb1f0efd7c066451", kill_on_drop: false }`
[INFO] [stdout] b092cf4e7940d56597e9af220431f5f7585972899b0bc478eb1f0efd7c066451