[INFO] cloning repository https://github.com/dustinrohde/conway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustinrohde/conway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Fconway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Fconway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bc2698fc80fdfab86d50a15d53630fef553de00
[INFO] testing dustinrohde/conway against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Fconway" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustinrohde/conway 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/dustinrohde/conway
[INFO] finished tweaking git repo https://github.com/dustinrohde/conway
[INFO] tweaked toml for git repo https://github.com/dustinrohde/conway written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/dustinrohde/conway 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] b6a7616d96257496539ec50013609a8908d1b14d29761fe24871414c2cd495cf
[INFO] running `Command { std: "docker" "start" "-a" "b6a7616d96257496539ec50013609a8908d1b14d29761fe24871414c2cd495cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6a7616d96257496539ec50013609a8908d1b14d29761fe24871414c2cd495cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a7616d96257496539ec50013609a8908d1b14d29761fe24871414c2cd495cf", kill_on_drop: false }`
[INFO] [stdout] b6a7616d96257496539ec50013609a8908d1b14d29761fe24871414c2cd495cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 7eb419128c647ad00af766ad5f5e31f7cd43f606a0dc0e895dfa16dab0409e3a
[INFO] running `Command { std: "docker" "start" "-a" "7eb419128c647ad00af766ad5f5e31f7cd43f606a0dc0e895dfa16dab0409e3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling conway 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(transpose_result)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |     WithCause(Box<AppError>, Box<Error + Send + Sync + 'static>),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync + 'static`
[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/lib.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 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 `conway`
[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" "7eb419128c647ad00af766ad5f5e31f7cd43f606a0dc0e895dfa16dab0409e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb419128c647ad00af766ad5f5e31f7cd43f606a0dc0e895dfa16dab0409e3a", kill_on_drop: false }`
[INFO] [stdout] 7eb419128c647ad00af766ad5f5e31f7cd43f606a0dc0e895dfa16dab0409e3a
