[INFO] fetching crate constrained 0.1.0... [INFO] checking constrained-0.1.0 against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] extracting crate constrained 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate constrained 0.1.0 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 crates.io crate constrained 0.1.0 [INFO] finished tweaking crates.io crate constrained 0.1.0 [INFO] tweaked toml for crates.io crate constrained 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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 sprs v0.3.3 [INFO] [stderr] Downloaded dense_mats v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 69a21c5cb245a1927e59276eac6f3460656671e487bc4d1ba3071d7f99152dc5 [INFO] running `Command { std: "docker" "start" "-a" "69a21c5cb245a1927e59276eac6f3460656671e487bc4d1ba3071d7f99152dc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69a21c5cb245a1927e59276eac6f3460656671e487bc4d1ba3071d7f99152dc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69a21c5cb245a1927e59276eac6f3460656671e487bc4d1ba3071d7f99152dc5", kill_on_drop: false }` [INFO] [stdout] 69a21c5cb245a1927e59276eac6f3460656671e487bc4d1ba3071d7f99152dc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0b825db7ba051f1054c165bb6b472b52f69430afbfe07f81b0644292359cce88 [INFO] running `Command { std: "docker" "start" "-a" "0b825db7ba051f1054c165bb6b472b52f69430afbfe07f81b0644292359cce88", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking dense_mats v0.4.0 [INFO] [stderr] Checking sprs v0.3.3 [INFO] [stderr] Checking constrained v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:297:35 [INFO] [stdout] | [INFO] [stdout] 297 | let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt())); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 297 - let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt())); [INFO] [stdout] 297 + let mut lambda = N::one().max(obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:297:35 [INFO] [stdout] | [INFO] [stdout] 297 | let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt())); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 297 - let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt())); [INFO] [stdout] 297 + let mut lambda = N::one().max(obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sprs::sparse::compressed::SpMatView` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use sprs::sparse::compressed::SpMatView; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `One` [INFO] [stdout] --> src/lib.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 19 | use num::{One, Zero, Float}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sprs::sparse::compressed::SpMatView` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use sprs::sparse::compressed::SpMatView; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `One` [INFO] [stdout] --> src/lib.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 19 | use num::{One, Zero, Float}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lower` is never read [INFO] [stdout] --> src/lib.rs:373:17 [INFO] [stdout] | [INFO] [stdout] 373 | lower = zhis[iter]; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lower` is never read [INFO] [stdout] --> src/lib.rs:373:17 [INFO] [stdout] | [INFO] [stdout] 373 | lower = zhis[iter]; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `from_iter` is never used [INFO] [stdout] --> src/lib.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn from_iter>(itr: I, len: Option) -> CsVecOwned { [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: function `from_iter` is never used [INFO] [stdout] --> src/lib.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn from_iter>(itr: I, len: Option) -> CsVecOwned { [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.18s [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" "0b825db7ba051f1054c165bb6b472b52f69430afbfe07f81b0644292359cce88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b825db7ba051f1054c165bb6b472b52f69430afbfe07f81b0644292359cce88", kill_on_drop: false }` [INFO] [stdout] 0b825db7ba051f1054c165bb6b472b52f69430afbfe07f81b0644292359cce88 [INFO] checking constrained-0.1.0 against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984 [INFO] extracting crate constrained 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate constrained 0.1.0 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 crates.io crate constrained 0.1.0 [INFO] finished tweaking crates.io crate constrained 0.1.0 [INFO] tweaked toml for crates.io crate constrained 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3020d75d7cce0dddfc4fb5a9dc8f48c1152035bb38804ffc8772f11e9f5c9ef2 [INFO] running `Command { std: "docker" "start" "-a" "3020d75d7cce0dddfc4fb5a9dc8f48c1152035bb38804ffc8772f11e9f5c9ef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3020d75d7cce0dddfc4fb5a9dc8f48c1152035bb38804ffc8772f11e9f5c9ef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3020d75d7cce0dddfc4fb5a9dc8f48c1152035bb38804ffc8772f11e9f5c9ef2", kill_on_drop: false }` [INFO] [stdout] 3020d75d7cce0dddfc4fb5a9dc8f48c1152035bb38804ffc8772f11e9f5c9ef2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6ed029e2a2bd7ac224c35c1e1efcc111608972d17d839c8004a24a0058a9fa92 [INFO] running `Command { std: "docker" "start" "-a" "6ed029e2a2bd7ac224c35c1e1efcc111608972d17d839c8004a24a0058a9fa92", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking rand v0.3.23 [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] [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" "6ed029e2a2bd7ac224c35c1e1efcc111608972d17d839c8004a24a0058a9fa92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ed029e2a2bd7ac224c35c1e1efcc111608972d17d839c8004a24a0058a9fa92", kill_on_drop: false }` [INFO] [stdout] 6ed029e2a2bd7ac224c35c1e1efcc111608972d17d839c8004a24a0058a9fa92