[INFO] fetching crate stack-db 0.3.5...
[INFO] testing stack-db-0.3.5 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate stack-db 0.3.5 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stack-db 0.3.5 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc1bf3caa3256207a7f1fa0e19afeaa2c4784a5de777819361505c43f811a9fa
[INFO] running `Command { std: "docker" "start" "-a" "fc1bf3caa3256207a7f1fa0e19afeaa2c4784a5de777819361505c43f811a9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc1bf3caa3256207a7f1fa0e19afeaa2c4784a5de777819361505c43f811a9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1bf3caa3256207a7f1fa0e19afeaa2c4784a5de777819361505c43f811a9fa", kill_on_drop: false }`
[INFO] [stdout] fc1bf3caa3256207a7f1fa0e19afeaa2c4784a5de777819361505c43f811a9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1093817f603636cad27ae78c1048b64ecd3f5f3a381eca2dd81a3846e4290ff
[INFO] running `Command { std: "docker" "start" "-a" "a1093817f603636cad27ae78c1048b64ecd3f5f3a381eca2dd81a3846e4290ff", 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 0.89s
[INFO] running `Command { std: "docker" "inspect" "a1093817f603636cad27ae78c1048b64ecd3f5f3a381eca2dd81a3846e4290ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1093817f603636cad27ae78c1048b64ecd3f5f3a381eca2dd81a3846e4290ff", kill_on_drop: false }`
[INFO] [stdout] a1093817f603636cad27ae78c1048b64ecd3f5f3a381eca2dd81a3846e4290ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 705a89ddfcf893741ae46d35d48d218468997932cf7b6aa334740c818f2ee43a
[INFO] running `Command { std: "docker" "start" "-a" "705a89ddfcf893741ae46d35d48d218468997932cf7b6aa334740c818f2ee43a", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "705a89ddfcf893741ae46d35d48d218468997932cf7b6aa334740c818f2ee43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705a89ddfcf893741ae46d35d48d218468997932cf7b6aa334740c818f2ee43a", kill_on_drop: false }`
[INFO] [stdout] 705a89ddfcf893741ae46d35d48d218468997932cf7b6aa334740c818f2ee43a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28532035b5e05551f2623d48330f36579b80e7ec251865df850da07f47aa7051
[INFO] running `Command { std: "docker" "start" "-a" "28532035b5e05551f2623d48330f36579b80e7ec251865df850da07f47aa7051", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]    --> src/base/layer.rs:123:27
[INFO] [stdout] running 0 tests
[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] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<'_, [u8]>), Error> {
[INFO] [stdout] 
[INFO] [stderr]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `stack-db` (lib) generated 1 warning (run `cargo fix --lib -p stack-db` to apply 1 suggestion)
[INFO] [stdout] 
[INFO] [stderr] warning: `stack-db` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stack_db-a3e403b1a0333ceb)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stack_db-53d17f70ba33204c)
[INFO] [stderr]      Running tests/database.rs (/opt/rustwide/target/debug/deps/database-20bb799c528e92ce)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test database_read_write ... ok
[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] [stderr]      Running tests/layer.rs (/opt/rustwide/target/debug/deps/layer-a704261607129616)
[INFO] [stderr]    Doc-tests stack_db
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_read_write ... ok
[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 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 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28532035b5e05551f2623d48330f36579b80e7ec251865df850da07f47aa7051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28532035b5e05551f2623d48330f36579b80e7ec251865df850da07f47aa7051", kill_on_drop: false }`
[INFO] [stdout] 28532035b5e05551f2623d48330f36579b80e7ec251865df850da07f47aa7051
