[INFO] fetching crate domtree 0.2.0...
[INFO] testing domtree-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate domtree 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate domtree 0.2.0
[INFO] finished tweaking crates.io crate domtree 0.2.0
[INFO] tweaked toml for crates.io crate domtree 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate domtree 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to highest compatible versions
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/schrodingerzhu/domtree"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 | repository = "https://github.com/schrodingerzhu/domtree"
[INFO] [stderr]    |              -------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `domtree` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374
[INFO] running `Command { std: "docker" "start" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/schrodingerzhu/domtree"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 | repository = "https://github.com/schrodingerzhu/domtree"
[INFO] [stderr]    |              -------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `domtree` (manifest) generated 1 warning
[INFO] [stderr]    Compiling domtree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn dom_iter(&self, id: Self::Identifier) -> DominatorIter<Self> {
[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] 175 |     fn dom_iter(&self, id: Self::Identifier) -> DominatorIter<'_, Self> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/schrodingerzhu/domtree"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 | repository = "https://github.com/schrodingerzhu/domtree"
[INFO] [stderr]    |              -------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `domtree` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling zerocopy v0.8.63
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn dom_iter(&self, id: Self::Identifier) -> DominatorIter<Self> {
[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] 175 |     fn dom_iter(&self, id: Self::Identifier) -> DominatorIter<'_, Self> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling domtree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn dom_iter(&self, id: Self::Identifier) -> DominatorIter<Self> {
[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] 175 |     fn dom_iter(&self, id: Self::Identifier) -> DominatorIter<'_, Self> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/schrodingerzhu/domtree"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 | repository = "https://github.com/schrodingerzhu/domtree"
[INFO] [stderr]    |              -------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `domtree` (manifest) generated 1 warning
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn dom_iter(&self, id: Self::Identifier) -> DominatorIter<Self> {
[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] 175 |     fn dom_iter(&self, id: Self::Identifier) -> DominatorIter<'_, Self> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `domtree` (lib) generated 1 warning (run `cargo fix --lib -p domtree` to apply 1 suggestion)
[INFO] [stderr] warning: `domtree` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/domtree/805af556ff2bc4ec/out/domtree-805af556ff2bc4ec)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_example ... ok
[INFO] [stdout] test test::test_frontiers_calculation ... ok
[INFO] [stdout] test test::test_iterated_frontiers ... ok
[INFO] [stdout] test test::test_frontiers_with_dj_graph ... ok
[INFO] [stdout] test test::test_dom_tree_calculation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests domtree
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 111) ... ignored
[INFO] [stdout] test src/lib.rs - (line 53) ... ignored
[INFO] [stdout] test src/lib.rs - (line 7) ... ignored
[INFO] [stdout] test src/lib.rs - (line 75) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374", kill_on_drop: false }`
[INFO] [stdout] b6db8e0c9f8f23e55aaa0f621b2d5aea6a6d1ccef152842a093b2082d7035374
