[INFO] cloning repository https://github.com/VukoDrakkeinen/katoptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VukoDrakkeinen/katoptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVukoDrakkeinen%2Fkatoptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVukoDrakkeinen%2Fkatoptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21d77361ed975728bd55f2734667b862b60bc53d
[INFO] testing VukoDrakkeinen/katoptron against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVukoDrakkeinen%2Fkatoptron" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VukoDrakkeinen/katoptron on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VukoDrakkeinen/katoptron
[INFO] finished tweaking git repo https://github.com/VukoDrakkeinen/katoptron
[INFO] tweaked toml for git repo https://github.com/VukoDrakkeinen/katoptron written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/VukoDrakkeinen/katoptron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/withoutboats/display_derive`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/failure/`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v1.1.3
[INFO] [stderr]   Downloaded libdbus-sys v0.1.5
[INFO] [stderr]   Downloaded ron v0.4.2
[INFO] [stderr]   Downloaded mac-notification-sys v0.1.3
[INFO] [stderr]   Downloaded notify-rust v3.5.0
[INFO] [stderr]   Downloaded dbus v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 541bbae11e7da473b42610c791c224eb9ff3525dfba5844133910f33ad36e8ce
[INFO] running `Command { std: "docker" "start" "-a" "541bbae11e7da473b42610c791c224eb9ff3525dfba5844133910f33ad36e8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541bbae11e7da473b42610c791c224eb9ff3525dfba5844133910f33ad36e8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541bbae11e7da473b42610c791c224eb9ff3525dfba5844133910f33ad36e8ce", kill_on_drop: false }`
[INFO] [stdout] 541bbae11e7da473b42610c791c224eb9ff3525dfba5844133910f33ad36e8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] e44eef58acb9bbaf1a87ab16bdf7614543bef8be59affe594b73695640942722
[INFO] running `Command { std: "docker" "start" "-a" "e44eef58acb9bbaf1a87ab16bdf7614543bef8be59affe594b73695640942722", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling smallvec v0.6.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling crossbeam v0.7.1
[INFO] [stderr]    Compiling dbus v0.6.4
[INFO] [stderr]    Compiling display_derive v1.0.0 (https://github.com/withoutboats/display_derive#5d6bac2f)
[INFO] [stderr]    Compiling synstructure v0.7.0
[INFO] [stderr]    Compiling failure_derive v1.0.0 (https://github.com/rust-lang-nursery/failure/#fa39406f)
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling wstr_macro v0.1.0 (/opt/rustwide/workdir/wstr_macro)
[INFO] [stderr]    Compiling failure v1.0.0 (https://github.com/rust-lang-nursery/failure/#fa39406f)
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling notify-rust v3.5.0
[INFO] [stderr]    Compiling ron v0.4.2
[INFO] [stderr]    Compiling katoptron v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Generic(#[fail(cause)] Box<Fail>, TxErrorKind),
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Generic(#[fail(cause)] Box<Fail>, TxErrorKind),
[INFO] [stdout] 25 +     Generic(#[fail(cause)] Box<dyn Fail>, TxErrorKind),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Generic(#[fail(cause)] Box<Fail>, RecvErrorKind),
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 60 -     Generic(#[fail(cause)] Box<Fail>, RecvErrorKind),
[INFO] [stdout] 60 +     Generic(#[fail(cause)] Box<dyn Fail>, RecvErrorKind),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:92:29
[INFO] [stdout]    |
[INFO] [stdout] 92 |     Generic(#[fail(cause)] Box<Fail>, SendErrorKind),
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     Generic(#[fail(cause)] Box<Fail>, SendErrorKind),
[INFO] [stdout] 92 +     Generic(#[fail(cause)] Box<dyn Fail>, SendErrorKind),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:114:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |     context: Box<Display + Send + Sync + 'static>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 -     context: Box<Display + Send + Sync + 'static>,
[INFO] [stdout] 114 +     context: Box<dyn Display + Send + Sync + 'static>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut current = self as &Fail;
[INFO] [stdout]     |                                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 161 -         let mut current = self as &Fail;
[INFO] [stdout] 161 +         let mut current = self as &dyn Fail;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 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 `katoptron` due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e44eef58acb9bbaf1a87ab16bdf7614543bef8be59affe594b73695640942722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44eef58acb9bbaf1a87ab16bdf7614543bef8be59affe594b73695640942722", kill_on_drop: false }`
[INFO] [stdout] e44eef58acb9bbaf1a87ab16bdf7614543bef8be59affe594b73695640942722