[INFO] fetching crate rust-playground-top-crates 0.1.7...
[INFO] testing rust-playground-top-crates-0.1.7 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rust-playground-top-crates 0.1.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rust-playground-top-crates 0.1.7
[INFO] finished tweaking crates.io crate rust-playground-top-crates 0.1.7
[INFO] tweaked toml for crates.io crate rust-playground-top-crates 0.1.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-playground-top-crates 0.1.7 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-playground-top-crates 0.1.7 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jobserver v0.1.25
[INFO] [stderr]   Downloaded futures-io v0.3.24
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[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded os_info v3.5.1
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[INFO] [stderr]   Downloaded ignore v0.4.18
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[INFO] [stderr]   Downloaded textwrap v0.15.1
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[INFO] [stderr]   Downloaded rustfix v0.6.1
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[INFO] [stderr]   Downloaded im-rc v15.1.0
[INFO] [stderr]   Downloaded git2 v0.14.4
[INFO] [stderr]   Downloaded openssl v0.10.42
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded serde_ignored v0.1.5
[INFO] [stderr]   Downloaded vte v0.10.1
[INFO] [stderr]   Downloaded filetime v0.2.17
[INFO] [stderr]   Downloaded toml_edit v0.14.4
[INFO] [stderr]   Downloaded curl v0.4.44
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded crates-io v0.34.0
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.76
[INFO] [stderr]   Downloaded kstring v2.0.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded cargo v0.65.0
[INFO] [stderr]   Downloaded libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]   Downloaded libz-sys v1.1.8
[INFO] [stderr]   Downloaded curl-sys v0.4.56+curl-7.83.1
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.7+1.45.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 143372f83af317a6448a0f57a08d35526be3a3492af240c07b2f0cb101dc38db
[INFO] running `Command { std: "docker" "start" "-a" "143372f83af317a6448a0f57a08d35526be3a3492af240c07b2f0cb101dc38db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "143372f83af317a6448a0f57a08d35526be3a3492af240c07b2f0cb101dc38db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143372f83af317a6448a0f57a08d35526be3a3492af240c07b2f0cb101dc38db", kill_on_drop: false }`
[INFO] [stdout] 143372f83af317a6448a0f57a08d35526be3a3492af240c07b2f0cb101dc38db
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47c2c14ad5244eb9cc730273538d4d3491944040dd7d0aad1c6040163021db88
[INFO] running `Command { std: "docker" "start" "-a" "47c2c14ad5244eb9cc730273538d4d3491944040dd7d0aad1c6040163021db88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling futures-io v0.3.24
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling kstring v2.0.0
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling combine v4.6.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling filetime v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling textwrap v0.15.1
[INFO] [stderr]    Compiling opener v0.5.0
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling clap v3.2.22
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling curl-sys v0.4.56+curl-7.83.1
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.1
[INFO] [stderr]    Compiling cargo v0.65.0
[INFO] [stderr]    Compiling globset v0.4.9
[INFO] [stderr]    Compiling env_logger v0.9.1
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling h2 v0.3.14
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling hyper v0.14.20
[INFO] [stderr]    Compiling git2 v0.14.4
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling cargo-util v0.2.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling git2-curl v0.15.0
[INFO] [stderr]    Compiling toml_edit v0.14.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_ignored v0.1.5
[INFO] [stderr]    Compiling os_info v3.5.1
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling reqwest v0.11.12
[INFO] [stderr]    Compiling rustfix v0.6.1
[INFO] [stderr]    Compiling crates-io v0.34.0
[INFO] [stderr]    Compiling rust-playground-top-crates v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "47c2c14ad5244eb9cc730273538d4d3491944040dd7d0aad1c6040163021db88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c2c14ad5244eb9cc730273538d4d3491944040dd7d0aad1c6040163021db88", kill_on_drop: false }`
[INFO] [stdout] 47c2c14ad5244eb9cc730273538d4d3491944040dd7d0aad1c6040163021db88
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f855d8a85c5f7f025e46918f87ebd982b20b922c75de43ee457bf73535122035
[INFO] running `Command { std: "docker" "start" "-a" "f855d8a85c5f7f025e46918f87ebd982b20b922c75de43ee457bf73535122035", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground-top-crates v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "f855d8a85c5f7f025e46918f87ebd982b20b922c75de43ee457bf73535122035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f855d8a85c5f7f025e46918f87ebd982b20b922c75de43ee457bf73535122035", kill_on_drop: false }`
[INFO] [stdout] f855d8a85c5f7f025e46918f87ebd982b20b922c75de43ee457bf73535122035
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ef55fe9f83283ccdc7471988af5fba4b91e264182dd9199cf4a5ee3b7abd94b
[INFO] running `Command { std: "docker" "start" "-a" "5ef55fe9f83283ccdc7471988af5fba4b91e264182dd9199cf4a5ee3b7abd94b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_playground_top_crates-5238dbe6b020599e)
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_playground_top_crates-218901dd73c338ab)
[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 rust_playground_top_crates
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - playground_metadata_features (line 179) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - playground_metadata_features (line 179) stdout ----
[INFO] [stdout] error: expected item, found `[`
[INFO] [stdout]  --> src/lib.rs:180:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | [package.metadata.playground]
[INFO] [stdout]   | ^ expected item
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - playground_metadata_features (line 179)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5ef55fe9f83283ccdc7471988af5fba4b91e264182dd9199cf4a5ee3b7abd94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef55fe9f83283ccdc7471988af5fba4b91e264182dd9199cf4a5ee3b7abd94b", kill_on_drop: false }`
[INFO] [stdout] 5ef55fe9f83283ccdc7471988af5fba4b91e264182dd9199cf4a5ee3b7abd94b