[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 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVukoDrakkeinen%2Fkatoptron" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VukoDrakkeinen/katoptron on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-110/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8164f4951ff72323da20815c68213fec7fabb1247b54a57d1802f6c16a6a3d7
[INFO] running `Command { std: "docker" "start" "-a" "e8164f4951ff72323da20815c68213fec7fabb1247b54a57d1802f6c16a6a3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8164f4951ff72323da20815c68213fec7fabb1247b54a57d1802f6c16a6a3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8164f4951ff72323da20815c68213fec7fabb1247b54a57d1802f6c16a6a3d7", kill_on_drop: false }`
[INFO] [stdout] e8164f4951ff72323da20815c68213fec7fabb1247b54a57d1802f6c16a6a3d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e0b03bc7397f9da283810e32884ac5fcdb5ae0c0d4fbdb5a34ce6fc65b63634
[INFO] running `Command { std: "docker" "start" "-a" "4e0b03bc7397f9da283810e32884ac5fcdb5ae0c0d4fbdb5a34ce6fc65b63634", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling smallvec v0.6.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling dbus v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam v0.7.1
[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]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Display + Send + Sync + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4e0b03bc7397f9da283810e32884ac5fcdb5ae0c0d4fbdb5a34ce6fc65b63634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0b03bc7397f9da283810e32884ac5fcdb5ae0c0d4fbdb5a34ce6fc65b63634", kill_on_drop: false }`
[INFO] [stdout] 4e0b03bc7397f9da283810e32884ac5fcdb5ae0c0d4fbdb5a34ce6fc65b63634
