[INFO] fetching crate hier 0.2.0...
[INFO] testing hier-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate hier 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate hier 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hier 0.2.0
[INFO] tweaked toml for crates.io crate hier 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hier 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hier 0.2.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relative-path v1.9.2
[INFO] [stderr]   Downloaded into-attr-derive v0.2.1
[INFO] [stderr]   Downloaded java-locator v0.1.5
[INFO] [stderr]   Downloaded into-attr v0.1.1
[INFO] [stderr]   Downloaded graphviz-rust v0.7.0
[INFO] [stderr]   Downloaded dot-generator v0.2.0
[INFO] [stderr]   Downloaded dot-structures v0.1.1
[INFO] [stderr]   Downloaded phf_macros v0.11.2
[INFO] [stderr]   Downloaded semver v1.0.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e77a10125f7b1be73cab6fcc4605c4ad8e499c233fed2bbe6003f1bf275791c8
[INFO] running `Command { std: "docker" "start" "-a" "e77a10125f7b1be73cab6fcc4605c4ad8e499c233fed2bbe6003f1bf275791c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e77a10125f7b1be73cab6fcc4605c4ad8e499c233fed2bbe6003f1bf275791c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77a10125f7b1be73cab6fcc4605c4ad8e499c233fed2bbe6003f1bf275791c8", kill_on_drop: false }`
[INFO] [stdout] e77a10125f7b1be73cab6fcc4605c4ad8e499c233fed2bbe6003f1bf275791c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f765feb5c28c8223f8a21a35ac27561e30fa01fdb788c5f0c2e2746ec00e6db
[INFO] running `Command { std: "docker" "start" "-a" "8f765feb5c28c8223f8a21a35ac27561e30fa01fdb788c5f0c2e2746ec00e6db", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling jni-sys v0.3.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling combine v4.6.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling jni v0.21.1
[INFO] [stderr]    Compiling hier v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.63s
[INFO] running `Command { std: "docker" "inspect" "8f765feb5c28c8223f8a21a35ac27561e30fa01fdb788c5f0c2e2746ec00e6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f765feb5c28c8223f8a21a35ac27561e30fa01fdb788c5f0c2e2746ec00e6db", kill_on_drop: false }`
[INFO] [stdout] 8f765feb5c28c8223f8a21a35ac27561e30fa01fdb788c5f0c2e2746ec00e6db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1b0da4dc5c3eebb3abcd9c5f1234b953aeb926dadb5940ef8a50c5f86428d02
[INFO] running `Command { std: "docker" "start" "-a" "c1b0da4dc5c3eebb3abcd9c5f1234b953aeb926dadb5940ef8a50c5f86428d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling combine v4.6.6
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling jni v0.21.1
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling rstest v0.18.2
[INFO] [stderr]    Compiling hier v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 38.94s
[INFO] running `Command { std: "docker" "inspect" "c1b0da4dc5c3eebb3abcd9c5f1234b953aeb926dadb5940ef8a50c5f86428d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b0da4dc5c3eebb3abcd9c5f1234b953aeb926dadb5940ef8a50c5f86428d02", kill_on_drop: false }`
[INFO] [stdout] c1b0da4dc5c3eebb3abcd9c5f1234b953aeb926dadb5940ef8a50c5f86428d02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fa4d20158aebb63a85d96cdc859133a312df76a4f35e0ec91be48b25267015d
[INFO] running `Command { std: "docker" "start" "-a" "0fa4d20158aebb63a85d96cdc859133a312df76a4f35e0ec91be48b25267015d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hier-ec9bbf7df7a7a10f)
[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]    Doc-tests hier
[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" "0fa4d20158aebb63a85d96cdc859133a312df76a4f35e0ec91be48b25267015d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa4d20158aebb63a85d96cdc859133a312df76a4f35e0ec91be48b25267015d", kill_on_drop: false }`
[INFO] [stdout] 0fa4d20158aebb63a85d96cdc859133a312df76a4f35e0ec91be48b25267015d