[INFO] cloning repository https://github.com/whentze/piff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whentze/piff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhentze%2Fpiff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhentze%2Fpiff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b34f0dcce33f15255f5e45e903cd36172c2686a2
[INFO] checking whentze/piff against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhentze%2Fpiff" "/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/whentze/piff on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whentze/piff
[INFO] finished tweaking git repo https://github.com/whentze/piff
[INFO] tweaked toml for git repo https://github.com/whentze/piff written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/whentze/piff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48d901ad31f2e92c410c7571f2d2eb1e743e302985e5a60539a89ae5841b6061
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48d901ad31f2e92c410c7571f2d2eb1e743e302985e5a60539a89ae5841b6061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d901ad31f2e92c410c7571f2d2eb1e743e302985e5a60539a89ae5841b6061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d901ad31f2e92c410c7571f2d2eb1e743e302985e5a60539a89ae5841b6061", kill_on_drop: false }`
[INFO] [stdout] 48d901ad31f2e92c410c7571f2d2eb1e743e302985e5a60539a89ae5841b6061
[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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4df334e2217f3e37711cc246b96dfb8832d9a40e63485fd6f7951e9c25590091
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4df334e2217f3e37711cc246b96dfb8832d9a40e63485fd6f7951e9c25590091", kill_on_drop: false }`
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking cpal v0.6.0
[INFO] [stderr]     Checking piff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 118 | |         let res = *self;
[INFO] [stdout] 119 | |         *self = Note {
[INFO] [stdout] 120 | |             octave: 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |         res
[INFO] [stdout] 124 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 127 | |         let res = *self;
[INFO] [stdout] 128 | |         *self = Note {
[INFO] [stdout] 129 | |             octave: 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |         res
[INFO] [stdout] 133 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 136 | |         *self + 1
[INFO] [stdout] 137 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 140 | |         match self.class as u8 {
[INFO] [stdout] 141 | |             0 => Note {
[INFO] [stdout] 142 | |                 class: B,
[INFO] [stdout] ...   |
[INFO] [stdout] 152 | |         }
[INFO] [stdout] 153 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 156 | |         if n < 256 {
[INFO] [stdout] 157 | |             Some(*self + n as u8)
[INFO] [stdout] 158 | |         } else {
[INFO] [stdout] 159 | |             None
[INFO] [stdout] 160 | |         }
[INFO] [stdout] 161 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[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(step_trait, integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/definitions.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |             1...11 => Note {
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/definitions.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     pub static ref SAMPLE_HISTORY : Mutex<Vec<f32>> = {
[INFO] [stdout] 13 | |         Mutex::new(vec![0.0; HISTORY_LENGTH])
[INFO] [stdout] 14 | |     };
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 118 | |         let res = *self;
[INFO] [stdout] 119 | |         *self = Note {
[INFO] [stdout] 120 | |             octave: 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |         res
[INFO] [stdout] 124 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 127 | |         let res = *self;
[INFO] [stdout] 128 | |         *self = Note {
[INFO] [stdout] 129 | |             octave: 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |         res
[INFO] [stdout] 133 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 136 | |         *self + 1
[INFO] [stdout] 137 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 140 | |         match self.class as u8 {
[INFO] [stdout] 141 | |             0 => Note {
[INFO] [stdout] 142 | |                 class: B,
[INFO] [stdout] ...   |
[INFO] [stdout] 152 | |         }
[INFO] [stdout] 153 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> src/definitions.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 156 | |         if n < 256 {
[INFO] [stdout] 157 | |             Some(*self + n as u8)
[INFO] [stdout] 158 | |         } else {
[INFO] [stdout] 159 | |             None
[INFO] [stdout] 160 | |         }
[INFO] [stdout] 161 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[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(step_trait, integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/definitions.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |             1...11 => Note {
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/definitions.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     pub static ref SAMPLE_HISTORY : Mutex<Vec<f32>> = {
[INFO] [stdout] 13 | |         Mutex::new(vec![0.0; HISTORY_LENGTH])
[INFO] [stdout] 14 | |     };
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0200]: the trait `Step` requires an `unsafe impl` declaration
[INFO] [stdout]    --> src/definitions.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | / impl Step for Note {
[INFO] [stdout] 110 | |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 111 | |         if end > start {
[INFO] [stdout] 112 | |             Some((*end - *start) as usize)
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |     }
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0200, E0407, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0200`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `piff`
[INFO] [stdout] error[E0200]: the trait `Step` requires an `unsafe impl` declaration
[INFO] [stdout]    --> src/definitions.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | / impl Step for Note {
[INFO] [stdout] 110 | |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 111 | |         if end > start {
[INFO] [stdout] 112 | |             Some((*end - *start) as usize)
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |     }
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: aborting due to 7 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0200, E0407, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0200`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4df334e2217f3e37711cc246b96dfb8832d9a40e63485fd6f7951e9c25590091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df334e2217f3e37711cc246b96dfb8832d9a40e63485fd6f7951e9c25590091", kill_on_drop: false }`
[INFO] [stdout] 4df334e2217f3e37711cc246b96dfb8832d9a40e63485fd6f7951e9c25590091