[INFO] crate interval_set 0.1.2 is already in cache
[INFO] testing interval_set-0.1.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate interval_set 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate interval_set 0.1.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate interval_set 0.1.2
[INFO] finished tweaking crates.io crate interval_set 0.1.2
[INFO] tweaked toml for crates.io crate interval_set 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 4249d810fcbb0513fe9093b46737de5b5e5f6903cecfdd719baf8f680d2cce78
[INFO] running `"docker" "start" "-a" "4249d810fcbb0513fe9093b46737de5b5e5f6903cecfdd719baf8f680d2cce78"`
[INFO] [stderr]    Compiling interval_set v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:366:54
[INFO] [stderr]     |
[INFO] [stderr] 366 |     fn merge(self, rhs: IntervalSet, keep_operator: &Fn(bool, bool) -> bool) -> IntervalSet {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut iter = self.split_whitespace();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "4249d810fcbb0513fe9093b46737de5b5e5f6903cecfdd719baf8f680d2cce78"`
[INFO] running `"docker" "rm" "-f" "4249d810fcbb0513fe9093b46737de5b5e5f6903cecfdd719baf8f680d2cce78"`
[INFO] [stdout] 4249d810fcbb0513fe9093b46737de5b5e5f6903cecfdd719baf8f680d2cce78
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] ca41971e93fcd6812e11a4f4e2e0f302657499ffcd01972282a76af71f48e54c
[INFO] running `"docker" "start" "-a" "ca41971e93fcd6812e11a4f4e2e0f302657499ffcd01972282a76af71f48e54c"`
[INFO] [stderr]    Compiling interval_set v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:366:54
[INFO] [stderr]     |
[INFO] [stderr] 366 |     fn merge(self, rhs: IntervalSet, keep_operator: &Fn(bool, bool) -> bool) -> IntervalSet {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut iter = self.split_whitespace();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:366:54
[INFO] [stderr]     |
[INFO] [stderr] 366 |     fn merge(self, rhs: IntervalSet, keep_operator: &Fn(bool, bool) -> bool) -> IntervalSet {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut iter = self.split_whitespace();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "ca41971e93fcd6812e11a4f4e2e0f302657499ffcd01972282a76af71f48e54c"`
[INFO] running `"docker" "rm" "-f" "ca41971e93fcd6812e11a4f4e2e0f302657499ffcd01972282a76af71f48e54c"`
[INFO] [stdout] ca41971e93fcd6812e11a4f4e2e0f302657499ffcd01972282a76af71f48e54c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 5179d44a350e74a981144811896f3b396d7cfd765a823bfa158625504591d77a
[INFO] running `"docker" "start" "-a" "5179d44a350e74a981144811896f3b396d7cfd765a823bfa158625504591d77a"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:366:54
[INFO] [stderr]     |
[INFO] [stderr] 366 |     fn merge(self, rhs: IntervalSet, keep_operator: &Fn(bool, bool) -> bool) -> IntervalSet {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut iter = self.split_whitespace();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:366:54
[INFO] [stderr]     |
[INFO] [stderr] 366 |     fn merge(self, rhs: IntervalSet, keep_operator: &Fn(bool, bool) -> bool) -> IntervalSet {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut iter = self.split_whitespace();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/interval_set-18a9344d04bc84c3
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test interval_set::tests::test_flatten ... ok
[INFO] [stderr]    Doc-tests interval_set
[INFO] [stdout] test interval_set::tests::test_insertion ... ok
[INFO] [stdout] test interval_set::tests::test_difference ... ok
[INFO] [stdout] test interval_set::tests::test_intersection ... ok
[INFO] [stdout] test interval_set::tests::test_print ... ok
[INFO] [stdout] test interval_set::tests::test_unflatten ... ok
[INFO] [stdout] test interval_set::tests::test_union ... ok
[INFO] [stdout] test interval_set::tests::test_to_interval_set ... ok
[INFO] [stdout] test interval_set::tests::test_symetric_difference ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::difference (line 258) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::Interval::is_valid (line 81) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::symetric_difference (line 273) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::iter (line 347) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::intersection (line 243) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::Interval::is_valid (line 89) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::size (line 328) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::max (line 290) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::union (line 228) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::Vec<Interval>::to_interval_set (line 174) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::String::to_interval_set (line 127) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::Vec<(u32, u32)>::to_interval_set (line 197) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5179d44a350e74a981144811896f3b396d7cfd765a823bfa158625504591d77a"`
[INFO] running `"docker" "rm" "-f" "5179d44a350e74a981144811896f3b396d7cfd765a823bfa158625504591d77a"`
[INFO] [stdout] 5179d44a350e74a981144811896f3b396d7cfd765a823bfa158625504591d77a