[INFO] fetching crate stack-db 0.3.5...
[INFO] testing stack-db-0.3.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate stack-db 0.3.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate stack-db 0.3.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate stack-db 0.3.5
[INFO] tweaked toml for crates.io crate stack-db 0.3.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stack-db 0.3.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stack-db 0.3.5 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1627082e35cf783d3d5de79a3d4e4dd62f51f5c48c7255c427b4eef09de8739e
[INFO] running `Command { std: "docker" "start" "-a" "1627082e35cf783d3d5de79a3d4e4dd62f51f5c48c7255c427b4eef09de8739e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1627082e35cf783d3d5de79a3d4e4dd62f51f5c48c7255c427b4eef09de8739e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1627082e35cf783d3d5de79a3d4e4dd62f51f5c48c7255c427b4eef09de8739e", kill_on_drop: false }`
[INFO] [stdout] 1627082e35cf783d3d5de79a3d4e4dd62f51f5c48c7255c427b4eef09de8739e
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da654843034379a8ac8e6b9999b12daa373c6880cb11f80bde769b07705720e8
[INFO] running `Command { std: "docker" "start" "-a" "da654843034379a8ac8e6b9999b12daa373c6880cb11f80bde769b07705720e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-db v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base/layer.rs:123:27
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<[u8]>), Error> {
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here                  --------- the same lifetime is hidden 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] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<'_, [u8]>), Error> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "da654843034379a8ac8e6b9999b12daa373c6880cb11f80bde769b07705720e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da654843034379a8ac8e6b9999b12daa373c6880cb11f80bde769b07705720e8", kill_on_drop: false }`
[INFO] [stdout] da654843034379a8ac8e6b9999b12daa373c6880cb11f80bde769b07705720e8
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ead1a96afabc43481b83a6e65fa46b4e45f777685c0b61e2d0dd284bc9ec890
[INFO] running `Command { std: "docker" "start" "-a" "2ead1a96afabc43481b83a6e65fa46b4e45f777685c0b61e2d0dd284bc9ec890", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-db v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base/layer.rs:123:27
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<[u8]>), Error> {
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here                  --------- the same lifetime is hidden 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] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<'_, [u8]>), Error> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base/layer.rs:123:27
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<[u8]>), Error> {
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here                  --------- the same lifetime is hidden 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] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<'_, [u8]>), Error> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2ead1a96afabc43481b83a6e65fa46b4e45f777685c0b61e2d0dd284bc9ec890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ead1a96afabc43481b83a6e65fa46b4e45f777685c0b61e2d0dd284bc9ec890", kill_on_drop: false }`
[INFO] [stdout] 2ead1a96afabc43481b83a6e65fa46b4e45f777685c0b61e2d0dd284bc9ec890
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 729e54a7f4143e1b5bfb68d01b28d690c19f920d7860628cb6065d42e9d9ffab
[INFO] running `Command { std: "docker" "start" "-a" "729e54a7f4143e1b5bfb68d01b28d690c19f920d7860628cb6065d42e9d9ffab", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/base/layer.rs:123:27
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<[u8]>), Error> {
[INFO] [stderr]     |                           ^^^^^^^^^ the lifetime is elided here                  --------- the same lifetime is hidden 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] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<'_, [u8]>), Error> {
[INFO] [stderr]     |                                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `stack-db` (lib) generated 1 warning
[INFO] [stderr] warning: `stack-db` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stack_db-fb4ff060a510df40)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stack_db-17f8eca58617b299)
[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] [stderr]      Running tests/database.rs (/opt/rustwide/target/debug/deps/database-3939734146e345a9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test database_read_write ... ok
[INFO] [stderr]      Running tests/layer.rs (/opt/rustwide/target/debug/deps/layer-aef9067df69b44fa)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_read_write ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stack_db
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "729e54a7f4143e1b5bfb68d01b28d690c19f920d7860628cb6065d42e9d9ffab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729e54a7f4143e1b5bfb68d01b28d690c19f920d7860628cb6065d42e9d9ffab", kill_on_drop: false }`
[INFO] [stdout] 729e54a7f4143e1b5bfb68d01b28d690c19f920d7860628cb6065d42e9d9ffab