[INFO] cloning repository https://github.com/ahdinosaur/metronome [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahdinosaur/metronome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahdinosaur%2Fmetronome", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahdinosaur%2Fmetronome'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62baf61cb4dc0873e24a0d1abc854e622ff13743 [INFO] checking ahdinosaur/metronome against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahdinosaur%2Fmetronome" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahdinosaur/metronome on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ahdinosaur/metronome [INFO] finished tweaking git repo https://github.com/ahdinosaur/metronome [INFO] tweaked toml for git repo https://github.com/ahdinosaur/metronome written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ahdinosaur/metronome already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ncurses v5.91.0 [INFO] [stderr] Downloaded num-integer v0.1.38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33ac7b5a797b23a0aa15fcf0b18c24ea0e49a7b6b92d3a810d6f072a4613f1df [INFO] running `Command { std: "docker" "start" "-a" "33ac7b5a797b23a0aa15fcf0b18c24ea0e49a7b6b92d3a810d6f072a4613f1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33ac7b5a797b23a0aa15fcf0b18c24ea0e49a7b6b92d3a810d6f072a4613f1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33ac7b5a797b23a0aa15fcf0b18c24ea0e49a7b6b92d3a810d6f072a4613f1df", kill_on_drop: false }` [INFO] [stdout] 33ac7b5a797b23a0aa15fcf0b18c24ea0e49a7b6b92d3a810d6f072a4613f1df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40e0121c49554417143a77779a735c275b68dd72984f794b33720e2470885271 [INFO] running `Command { std: "docker" "start" "-a" "40e0121c49554417143a77779a735c275b68dd72984f794b33720e2470885271", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Compiling ncurses v5.91.0 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking metronome v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/interface.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 40 | / loop { [INFO] [stdout] 41 | | let ch = ncurses::wget_wch(ncurses::stdscr()); [INFO] [stdout] 42 | | [INFO] [stdout] 43 | | match ch { [INFO] [stdout] ... | [INFO] [stdout] 75 | | ncurses::refresh(); [INFO] [stdout] 76 | | } [INFO] [stdout] | |_____________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 79 | ncurses::endwin(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/interface.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 40 | / loop { [INFO] [stdout] 41 | | let ch = ncurses::wget_wch(ncurses::stdscr()); [INFO] [stdout] 42 | | [INFO] [stdout] 43 | | match ch { [INFO] [stdout] ... | [INFO] [stdout] 75 | | ncurses::refresh(); [INFO] [stdout] 76 | | } [INFO] [stdout] | |_____________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 79 | ncurses::endwin(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/interface.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | for i in 0..ticks_since_beat.to_integer() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/interface.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | for i in 0..beats_since_bar.to_integer() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/interface.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | for i in 0..bars_since_loop.to_integer() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/interface.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | for i in 0..ticks_since_beat.to_integer() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/interface.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | for i in 0..beats_since_bar.to_integer() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/interface.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | for i in 0..bars_since_loop.to_integer() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_first_tick`, `is_first_beat`, and `is_first_bar` are never used [INFO] [stdout] --> src/clock.rs:137:12 [INFO] [stdout] | [INFO] [stdout] 101 | impl Time { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 137 | pub fn is_first_tick (&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | pub fn is_first_beat (&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 145 | pub fn is_first_bar (&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_first_tick`, `is_first_beat`, and `is_first_bar` are never used [INFO] [stdout] --> src/clock.rs:137:12 [INFO] [stdout] | [INFO] [stdout] 101 | impl Time { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 137 | pub fn is_first_tick (&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | pub fn is_first_beat (&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 145 | pub fn is_first_bar (&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.46s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "40e0121c49554417143a77779a735c275b68dd72984f794b33720e2470885271", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40e0121c49554417143a77779a735c275b68dd72984f794b33720e2470885271", kill_on_drop: false }` [INFO] [stdout] 40e0121c49554417143a77779a735c275b68dd72984f794b33720e2470885271 [INFO] checking ahdinosaur/metronome against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahdinosaur%2Fmetronome" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahdinosaur/metronome on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ahdinosaur/metronome [INFO] finished tweaking git repo https://github.com/ahdinosaur/metronome [INFO] tweaked toml for git repo https://github.com/ahdinosaur/metronome written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ahdinosaur/metronome already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0614137ce149b32fbc18c9ddcd7314881b343d84869af0f386a0b04e1234acdf [INFO] running `Command { std: "docker" "start" "-a" "0614137ce149b32fbc18c9ddcd7314881b343d84869af0f386a0b04e1234acdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0614137ce149b32fbc18c9ddcd7314881b343d84869af0f386a0b04e1234acdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0614137ce149b32fbc18c9ddcd7314881b343d84869af0f386a0b04e1234acdf", kill_on_drop: false }` [INFO] [stdout] 0614137ce149b32fbc18c9ddcd7314881b343d84869af0f386a0b04e1234acdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c35e72a4a86f42fb93abcc94a1aeae2ddedbe1cd2066b8befeaa36226288a248 [INFO] running `Command { std: "docker" "start" "-a" "c35e72a4a86f42fb93abcc94a1aeae2ddedbe1cd2066b8befeaa36226288a248", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/aa7c6ba69acce8b10a275eabfe6157ea72c8b599/library/alloc/src/borrow.rs:180:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Compiling ncurses v5.91.0 [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c35e72a4a86f42fb93abcc94a1aeae2ddedbe1cd2066b8befeaa36226288a248", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c35e72a4a86f42fb93abcc94a1aeae2ddedbe1cd2066b8befeaa36226288a248", kill_on_drop: false }` [INFO] [stdout] c35e72a4a86f42fb93abcc94a1aeae2ddedbe1cd2066b8befeaa36226288a248