[INFO] fetching crate muncher 0.6.0... [INFO] testing muncher-0.6.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate muncher 0.6.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate muncher 0.6.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate muncher 0.6.0 [INFO] finished tweaking crates.io crate muncher 0.6.0 [INFO] tweaked toml for crates.io crate muncher 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9803ed6cbb9bf6870e7efc2e6afd773bb9cc89fcd118e7943b4369afafbb1830 [INFO] running `"docker" "start" "-a" "9803ed6cbb9bf6870e7efc2e6afd773bb9cc89fcd118e7943b4369afafbb1830"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling muncher v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `"docker" "inspect" "9803ed6cbb9bf6870e7efc2e6afd773bb9cc89fcd118e7943b4369afafbb1830"` [INFO] running `"docker" "rm" "-f" "9803ed6cbb9bf6870e7efc2e6afd773bb9cc89fcd118e7943b4369afafbb1830"` [INFO] [stdout] 9803ed6cbb9bf6870e7efc2e6afd773bb9cc89fcd118e7943b4369afafbb1830 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1619f398c79feb6c3da6fe9ed8ba2745d29aa20afca4ed8abe8cf6f7526b0dc1 [INFO] running `"docker" "start" "-a" "1619f398c79feb6c3da6fe9ed8ba2745d29aa20afca4ed8abe8cf6f7526b0dc1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling muncher v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/muncher.rs:692:13 [INFO] [stderr] | [INFO] [stderr] 692 | let s = munch.eat_until(|ch| ch == &'c').collect::(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/muncher.rs:698:13 [INFO] [stderr] | [INFO] [stderr] 698 | let s = munch.eat_until(|ch| ch == &'g').collect::(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:756:13 [INFO] [stderr] | [INFO] [stderr] 756 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:765:13 [INFO] [stderr] | [INFO] [stderr] 765 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:810:13 [INFO] [stderr] | [INFO] [stderr] 810 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:821:13 [INFO] [stderr] | [INFO] [stderr] 821 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:832:13 [INFO] [stderr] | [INFO] [stderr] 832 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::iter::Iterator` that must be used [INFO] [stderr] --> src/muncher.rs:845:9 [INFO] [stderr] | [INFO] [stderr] 845 | munch.eat_until(|c| *c == '\u{1b}'); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: iterators are lazy and do nothing unless consumed [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::iter::Iterator` that must be used [INFO] [stderr] --> src/muncher.rs:851:17 [INFO] [stderr] | [INFO] [stderr] 851 | munch.eat_until(|c| *c == '\u{1b}'); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: iterators are lazy and do nothing unless consumed [INFO] [stderr] [INFO] [stderr] warning: unused comparison that must be used [INFO] [stderr] --> src/muncher.rs:852:17 [INFO] [stderr] | [INFO] [stderr] 852 | munch.seek(3) == Some("[0m".to_string()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `"docker" "inspect" "1619f398c79feb6c3da6fe9ed8ba2745d29aa20afca4ed8abe8cf6f7526b0dc1"` [INFO] running `"docker" "rm" "-f" "1619f398c79feb6c3da6fe9ed8ba2745d29aa20afca4ed8abe8cf6f7526b0dc1"` [INFO] [stdout] 1619f398c79feb6c3da6fe9ed8ba2745d29aa20afca4ed8abe8cf6f7526b0dc1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e67523496d913f82839c1afe7ff79173efb1c4da570c50a1a082ec404f76c9fb [INFO] running `"docker" "start" "-a" "e67523496d913f82839c1afe7ff79173efb1c4da570c50a1a082ec404f76c9fb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/muncher.rs:692:13 [INFO] [stderr] | [INFO] [stderr] 692 | let s = munch.eat_until(|ch| ch == &'c').collect::(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/muncher.rs:698:13 [INFO] [stderr] | [INFO] [stderr] 698 | let s = munch.eat_until(|ch| ch == &'g').collect::(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:756:13 [INFO] [stderr] | [INFO] [stderr] 756 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:765:13 [INFO] [stderr] | [INFO] [stderr] 765 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:810:13 [INFO] [stderr] | [INFO] [stderr] 810 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:821:13 [INFO] [stderr] | [INFO] [stderr] 821 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:832:13 [INFO] [stderr] | [INFO] [stderr] 832 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::iter::Iterator` that must be used [INFO] [stderr] --> src/muncher.rs:845:9 [INFO] [stderr] | [INFO] [stderr] 845 | munch.eat_until(|c| *c == '\u{1b}'); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: iterators are lazy and do nothing unless consumed [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::iter::Iterator` that must be used [INFO] [stderr] --> src/muncher.rs:851:17 [INFO] [stderr] | [INFO] [stderr] 851 | munch.eat_until(|c| *c == '\u{1b}'); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: iterators are lazy and do nothing unless consumed [INFO] [stderr] [INFO] [stderr] warning: unused comparison that must be used [INFO] [stderr] --> src/muncher.rs:852:17 [INFO] [stderr] | [INFO] [stderr] 852 | munch.seek(3) == Some("[0m".to_string()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/muncher-f81e86517dc4fe5a [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test muncher::tests::advance_muncher ... ok [INFO] [stdout] test muncher::tests::peek_muncher ... ok [INFO] [stdout] test muncher::tests::peek_range_of ... ok [INFO] [stdout] test muncher::tests::end_eat_while_muncher ... ok [INFO] [stdout] test muncher::tests::test_eat_eol ... ok [INFO] [stdout] test muncher::tests::test_fork ... ok [INFO] [stdout] test muncher::tests::bounds_error_this_panics_if_bounds_wrong ... ok [INFO] [stdout] test muncher::tests::test_position ... ok [INFO] [stdout] test muncher::tests::test_stack_code ... ok [INFO] [stdout] test muncher::tests::test_stack_math ... ok [INFO] [stdout] test muncher::tests::test_stack_fail ... ok [INFO] [stdout] test muncher::tests::peek_count ... ok [INFO] [stderr] Doc-tests muncher [INFO] [stdout] test muncher::tests::seek_muncher ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test src/lib.rs - (line 49) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_until (line 278) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::brace_stack (line 197) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_range_of (line 339) ... ok [INFO] [stdout] test src/lib.rs - (line 18) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_range_of (line 662) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::cursor_position (line 226) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat (line 380) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::new (line 155) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::fork (line 174) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_until_count (line 309) ... ok [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_until (line 593) ... ok [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_until_count (line 629) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Stack::new (line 29) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::seek (line 360) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Stack::eat (line 47) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Stack::is_matched (line 94) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "e67523496d913f82839c1afe7ff79173efb1c4da570c50a1a082ec404f76c9fb"` [INFO] running `"docker" "rm" "-f" "e67523496d913f82839c1afe7ff79173efb1c4da570c50a1a082ec404f76c9fb"` [INFO] [stdout] e67523496d913f82839c1afe7ff79173efb1c4da570c50a1a082ec404f76c9fb