[INFO] fetching crate quad-rand 0.2.3... [INFO] testing quad-rand-0.2.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate quad-rand 0.2.3 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate quad-rand 0.2.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate quad-rand 0.2.3 [INFO] tweaked toml for crates.io crate quad-rand 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate quad-rand 0.2.3 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate quad-rand 0.2.3 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_hc v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6010e2dda44aab07498fcb453d21f7b861f6cc055d4d0feb65c66c30cfa2faf [INFO] running `Command { std: "docker" "start" "-a" "b6010e2dda44aab07498fcb453d21f7b861f6cc055d4d0feb65c66c30cfa2faf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6010e2dda44aab07498fcb453d21f7b861f6cc055d4d0feb65c66c30cfa2faf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6010e2dda44aab07498fcb453d21f7b861f6cc055d4d0feb65c66c30cfa2faf", kill_on_drop: false }` [INFO] [stdout] b6010e2dda44aab07498fcb453d21f7b861f6cc055d4d0feb65c66c30cfa2faf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 112b1da54016a490c12e6c011ca5ff48c5d3892b8e3bd8fdd08a3c7913ab9d94 [INFO] running `Command { std: "docker" "start" "-a" "112b1da54016a490c12e6c011ca5ff48c5d3892b8e3bd8fdd08a3c7913ab9d94", kill_on_drop: false }` [INFO] [stderr] Compiling quad-rand v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | fn choose_multiple(&self, amount: usize) -> SliceChooseIter { [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 125 | fn choose_multiple(&self, amount: usize) -> SliceChooseIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 136 | ) -> SliceChooseIter; [INFO] [stdout] | ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 136 | ) -> SliceChooseIter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 164 | ) -> SliceChooseIter { [INFO] [stdout] | ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 164 | ) -> SliceChooseIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "112b1da54016a490c12e6c011ca5ff48c5d3892b8e3bd8fdd08a3c7913ab9d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "112b1da54016a490c12e6c011ca5ff48c5d3892b8e3bd8fdd08a3c7913ab9d94", kill_on_drop: false }` [INFO] [stdout] 112b1da54016a490c12e6c011ca5ff48c5d3892b8e3bd8fdd08a3c7913ab9d94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] a8ebef6d5e77b94edbfd74ae395b568613b726c7256cc9e60a494b6690eb18a3 [INFO] running `Command { std: "docker" "start" "-a" "a8ebef6d5e77b94edbfd74ae395b568613b726c7256cc9e60a494b6690eb18a3", kill_on_drop: false }` [INFO] [stderr] Compiling quad-rand v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | fn choose_multiple(&self, amount: usize) -> SliceChooseIter { [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 125 | fn choose_multiple(&self, amount: usize) -> SliceChooseIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 136 | ) -> SliceChooseIter; [INFO] [stdout] | ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 136 | ) -> SliceChooseIter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 164 | ) -> SliceChooseIter { [INFO] [stdout] | ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 164 | ) -> SliceChooseIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> examples/basic.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let x = qrand::rand(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> examples/basic_with_state.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let x = randomness.rand(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | fn choose_multiple(&self, amount: usize) -> SliceChooseIter { [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 125 | fn choose_multiple(&self, amount: usize) -> SliceChooseIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 136 | ) -> SliceChooseIter; [INFO] [stdout] | ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 136 | ) -> SliceChooseIter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 164 | ) -> SliceChooseIter { [INFO] [stdout] | ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 164 | ) -> SliceChooseIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "a8ebef6d5e77b94edbfd74ae395b568613b726c7256cc9e60a494b6690eb18a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8ebef6d5e77b94edbfd74ae395b568613b726c7256cc9e60a494b6690eb18a3", kill_on_drop: false }` [INFO] [stdout] a8ebef6d5e77b94edbfd74ae395b568613b726c7256cc9e60a494b6690eb18a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 562be368aba4b552dd2f74ee1dd2763a51593af30cce7e41ea81c2a6cec0350e [INFO] running `Command { std: "docker" "start" "-a" "562be368aba4b552dd2f74ee1dd2763a51593af30cce7e41ea81c2a6cec0350e", kill_on_drop: false }` [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:125:24 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 125 | fn choose_multiple(&self, amount: usize) -> SliceChooseIter { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 125 | fn choose_multiple(&self, amount: usize) -> SliceChooseIter<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/lib.rs:133:9 [INFO] [stderr] | [INFO] [stderr] 133 | &self, [INFO] [stderr] | ^^^^^ this lifetime flows to the output [INFO] [stderr] ... [INFO] [stderr] 136 | ) -> SliceChooseIter; [INFO] [stderr] | ------------------ the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 136 | ) -> SliceChooseIter<'_, T>; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/lib.rs:161:9 [INFO] [stderr] | [INFO] [stderr] 161 | &self, [INFO] [stderr] | ^^^^^ this lifetime flows to the output [INFO] [stderr] ... [INFO] [stderr] 164 | ) -> SliceChooseIter { [INFO] [stderr] | ------------------ the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 164 | ) -> SliceChooseIter<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `quad-rand` (lib) generated 3 warnings (run `cargo fix --lib -p quad-rand` to apply 3 suggestions) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> examples/basic_with_state.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let x = randomness.rand(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `quad-rand` (example "basic_with_state") generated 1 warning [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> examples/basic.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let x = qrand::rand(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `quad-rand` (example "basic") generated 1 warning [INFO] [stderr] warning: `quad-rand` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/quad_rand-d440fe44c20bdf61) [INFO] running `Command { std: "docker" "inspect" "562be368aba4b552dd2f74ee1dd2763a51593af30cce7e41ea81c2a6cec0350e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "562be368aba4b552dd2f74ee1dd2763a51593af30cce7e41ea81c2a6cec0350e", kill_on_drop: false }` [INFO] [stdout] 562be368aba4b552dd2f74ee1dd2763a51593af30cce7e41ea81c2a6cec0350e