[INFO] fetching crate teehee 0.2.8...
[INFO] testing teehee-0.2.8 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate teehee 0.2.8 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate teehee 0.2.8
[INFO] finished tweaking crates.io crate teehee 0.2.8
[INFO] tweaked toml for crates.io crate teehee 0.2.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate teehee 0.2.8 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 teehee 0.2.8 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] 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] fc920d16e68a3aeefd1e183193cd1dd1fa58011fcd26ae0fc206fe418d05f78e
[INFO] running `Command { std: "docker" "start" "-a" "fc920d16e68a3aeefd1e183193cd1dd1fa58011fcd26ae0fc206fe418d05f78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc920d16e68a3aeefd1e183193cd1dd1fa58011fcd26ae0fc206fe418d05f78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc920d16e68a3aeefd1e183193cd1dd1fa58011fcd26ae0fc206fe418d05f78e", kill_on_drop: false }`
[INFO] [stdout] fc920d16e68a3aeefd1e183193cd1dd1fa58011fcd26ae0fc206fe418d05f78e
[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] a00f4b7135606cf250da64103c1460dc9dbd32125aa4ac51de8fbb08a5b3a971
[INFO] running `Command { std: "docker" "start" "-a" "a00f4b7135606cf250da64103c1460dc9dbd32125aa4ac51de8fbb08a5b3a971", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling jetscii v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.22.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling xi-rope v0.3.0
[INFO] [stderr]    Compiling teehee v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MixedRepr` is never constructed
[INFO] [stdout]   --> src/hex_view/view.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct MixedRepr(u8);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:106:43
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stdout]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<[u8]> {
[INFO] [stdout]     |                                            ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `Command { std: "docker" "inspect" "a00f4b7135606cf250da64103c1460dc9dbd32125aa4ac51de8fbb08a5b3a971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00f4b7135606cf250da64103c1460dc9dbd32125aa4ac51de8fbb08a5b3a971", kill_on_drop: false }`
[INFO] [stdout] a00f4b7135606cf250da64103c1460dc9dbd32125aa4ac51de8fbb08a5b3a971
[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] 23e25a603130b267ad2f8ec6a02157f029abf77b32542a4e14026f5b6b7597b3
[INFO] running `Command { std: "docker" "start" "-a" "23e25a603130b267ad2f8ec6a02157f029abf77b32542a4e14026f5b6b7597b3", kill_on_drop: false }`
[INFO] [stdout] warning: struct `MixedRepr` is never constructed
[INFO] [stdout]   --> src/hex_view/view.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct MixedRepr(u8);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:106:43
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stdout]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling teehee v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<[u8]> {
[INFO] [stdout]     |                                            ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MixedRepr` is never constructed
[INFO] [stdout]   --> src/hex_view/view.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct MixedRepr(u8);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:106:43
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stdout]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<[u8]> {
[INFO] [stdout]     |                                            ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "23e25a603130b267ad2f8ec6a02157f029abf77b32542a4e14026f5b6b7597b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e25a603130b267ad2f8ec6a02157f029abf77b32542a4e14026f5b6b7597b3", kill_on_drop: false }`
[INFO] [stdout] 23e25a603130b267ad2f8ec6a02157f029abf77b32542a4e14026f5b6b7597b3
[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] 2b8fabd419133974bab71ffc72b7919daec2766b27588db3a9506196d12eff20
[INFO] running `Command { std: "docker" "start" "-a" "2b8fabd419133974bab71ffc72b7919daec2766b27588db3a9506196d12eff20", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MixedRepr` is never constructed
[INFO] [stderr]   --> src/hex_view/view.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct MixedRepr(u8);
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/byte_rope.rs:106:43
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stderr]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stderr]     |                                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/byte_rope.rs:114:44
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<[u8]> {
[INFO] [stderr]     |                                            ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, [u8]> {
[INFO] [stderr]     |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `teehee` (lib) generated 3 warnings (run `cargo fix --lib -p teehee` to apply 2 suggestions)
[INFO] [stderr] warning: `teehee` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/teehee-5a60e8def356c13f)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test hex_view::byte_properties::tests::test_utf16_into_char ... ok
[INFO] [stderr]      Running unittests src/bin/teehee.rs (/opt/rustwide/target/debug/deps/teehee-bcad81e3cfd3c0da)
[INFO] [stdout] test history::test::test_chain_insert ... ok
[INFO] [stderr]    Doc-tests teehee
[INFO] [stdout] test history::test::test_chain_delete ... ok
[INFO] [stdout] test history::test::test_chain_delete_insert ... ok
[INFO] [stdout] test history::test::test_chain_insert_delete ... ok
[INFO] [stdout] test history::test::test_delete ... ok
[INFO] [stdout] test history::test::test_insert ... ok
[INFO] [stdout] test history::test::test_middle_delete ... ok
[INFO] [stdout] test history::test::test_replace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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] [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" "2b8fabd419133974bab71ffc72b7919daec2766b27588db3a9506196d12eff20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8fabd419133974bab71ffc72b7919daec2766b27588db3a9506196d12eff20", kill_on_drop: false }`
[INFO] [stdout] 2b8fabd419133974bab71ffc72b7919daec2766b27588db3a9506196d12eff20
