[INFO] fetching crate loopable 0.1.0... [INFO] testing loopable-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate loopable 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate loopable 0.1.0 [INFO] finished tweaking crates.io crate loopable 0.1.0 [INFO] tweaked toml for crates.io crate loopable 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate loopable 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate loopable 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28976206fbd845ca328ad785ed1cadc103e6086cd3c385b9dfa571b836424700 [INFO] running `Command { std: "docker" "start" "-a" "28976206fbd845ca328ad785ed1cadc103e6086cd3c385b9dfa571b836424700", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28976206fbd845ca328ad785ed1cadc103e6086cd3c385b9dfa571b836424700", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28976206fbd845ca328ad785ed1cadc103e6086cd3c385b9dfa571b836424700", kill_on_drop: false }` [INFO] [stdout] 28976206fbd845ca328ad785ed1cadc103e6086cd3c385b9dfa571b836424700 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a815fc23f338d7c59ada7f320f0eea737700c4ddbbcbd6b48b5e6258f67533b2 [INFO] running `Command { std: "docker" "start" "-a" "a815fc23f338d7c59ada7f320f0eea737700c4ddbbcbd6b48b5e6258f67533b2", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling loopable v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Rangeable` is never used [INFO] [stdout] --> src/gen_range.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait Rangeable: AddAssign + PartialOrd + Copy {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GenRangeIterator` is never constructed [INFO] [stdout] --> src/gen_range.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct GenRangeIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/gen_range.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl GenRangeIterator { [INFO] [stdout] | -------------------------------------- associated function in this implementation [INFO] [stdout] 23 | pub fn new(start: T, stop: T, step: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SkipIterator` is never constructed [INFO] [stdout] --> src/combi.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct SkipIterator { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `IterCombi` is never used [INFO] [stdout] --> src/combi.rs:18:11 [INFO] [stdout] | [INFO] [stdout] 18 | pub trait IterCombi: Iterator + Sized { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_c` is never used [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn print_c>(v:I) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `Command { std: "docker" "inspect" "a815fc23f338d7c59ada7f320f0eea737700c4ddbbcbd6b48b5e6258f67533b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a815fc23f338d7c59ada7f320f0eea737700c4ddbbcbd6b48b5e6258f67533b2", kill_on_drop: false }` [INFO] [stdout] a815fc23f338d7c59ada7f320f0eea737700c4ddbbcbd6b48b5e6258f67533b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f55f41b60dd5e8d40dff95f43fd060f5e368a8817a30405981273df92659afc [INFO] running `Command { std: "docker" "start" "-a" "0f55f41b60dd5e8d40dff95f43fd060f5e368a8817a30405981273df92659afc", kill_on_drop: false }` [INFO] [stderr] Compiling loopable v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Rangeable` is never used [INFO] [stdout] --> src/gen_range.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait Rangeable: AddAssign + PartialOrd + Copy {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GenRangeIterator` is never constructed [INFO] [stdout] --> src/gen_range.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct GenRangeIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/gen_range.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl GenRangeIterator { [INFO] [stdout] | -------------------------------------- associated function in this implementation [INFO] [stdout] 23 | pub fn new(start: T, stop: T, step: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SkipIterator` is never constructed [INFO] [stdout] --> src/combi.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct SkipIterator { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `IterCombi` is never used [INFO] [stdout] --> src/combi.rs:18:11 [INFO] [stdout] | [INFO] [stdout] 18 | pub trait IterCombi: Iterator + Sized { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_c` is never used [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn print_c>(v:I) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/combi.rs:95:42 [INFO] [stdout] | [INFO] [stdout] 95 | let v : Vec<&str> = s.split(" ").intersperse(",").collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "0f55f41b60dd5e8d40dff95f43fd060f5e368a8817a30405981273df92659afc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f55f41b60dd5e8d40dff95f43fd060f5e368a8817a30405981273df92659afc", kill_on_drop: false }` [INFO] [stdout] 0f55f41b60dd5e8d40dff95f43fd060f5e368a8817a30405981273df92659afc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a3d2390722c9143987928b3079250dad14d4832ad50076e2f4b5bde67b32fcaa [INFO] running `Command { std: "docker" "start" "-a" "a3d2390722c9143987928b3079250dad14d4832ad50076e2f4b5bde67b32fcaa", kill_on_drop: false }` [INFO] [stderr] warning: trait `Rangeable` is never used [INFO] [stderr] --> src/gen_range.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | pub trait Rangeable: AddAssign + PartialOrd + Copy {} [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `GenRangeIterator` is never constructed [INFO] [stderr] --> src/gen_range.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | pub struct GenRangeIterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/gen_range.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 22 | impl GenRangeIterator { [INFO] [stderr] | -------------------------------------- associated function in this implementation [INFO] [stderr] 23 | pub fn new(start: T, stop: T, step: T) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `SkipIterator` is never constructed [INFO] [stderr] --> src/combi.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | pub struct SkipIterator { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `IterCombi` is never used [INFO] [stderr] --> src/combi.rs:18:11 [INFO] [stderr] | [INFO] [stderr] 18 | pub trait IterCombi: Iterator + Sized { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `loopable` (lib) generated 5 warnings [INFO] [stderr] warning: function `print_c` is never used [INFO] [stderr] --> src/main.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn print_c>(v:I) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `loopable` (bin "d2_printout" test) generated 1 warning [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/combi.rs:95:42 [INFO] [stderr] | [INFO] [stderr] 95 | let v : Vec<&str> = s.split(" ").intersperse(",").collect(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stderr] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 + #![feature(iter_intersperse)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `loopable` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/d2_iterators-763ee97eb67e4e3a) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test combi::combi_tests::it_works ... ok [INFO] [stdout] test combi::combi_tests::skip_iter_test ... ok [INFO] [stdout] test combi::combi_tests::skip_iter_2 ... ok [INFO] [stdout] test combi::combi_tests::test_interleave ... ok [INFO] [stdout] test combi::combi_tests::test_intersperse ... ok [INFO] [stdout] test gen_range::tests::filter ... ok [INFO] [stdout] test combi::combi_tests::test_step_by ... ok [INFO] [stdout] test gen_range::tests::it_works ... ok [INFO] [stdout] test gen_range::tests::iter_test ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::iter_test ... ok [INFO] [stdout] test tests::tup_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/d2_printout-091a7d201899e90b) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test gen_range::tests::iter_test ... ok [INFO] [stdout] test gen_range::tests::filter ... ok [INFO] [stdout] test gen_range::tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Doc-tests d2_iterators [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a3d2390722c9143987928b3079250dad14d4832ad50076e2f4b5bde67b32fcaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3d2390722c9143987928b3079250dad14d4832ad50076e2f4b5bde67b32fcaa", kill_on_drop: false }` [INFO] [stdout] a3d2390722c9143987928b3079250dad14d4832ad50076e2f4b5bde67b32fcaa