[INFO] fetching crate rust-playground-top-crates 0.1.5...
[INFO] testing rust-playground-top-crates-0.1.5 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rust-playground-top-crates 0.1.5 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rust-playground-top-crates 0.1.5 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-playground-top-crates 0.1.5
[INFO] finished tweaking crates.io crate rust-playground-top-crates 0.1.5
[INFO] tweaked toml for crates.io crate rust-playground-top-crates 0.1.5 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate rust-playground-top-crates 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.4.42
[INFO] [stderr]   Downloaded cargo v0.60.0
[INFO] [stderr]   Downloaded curl-sys v0.4.52+curl-7.81.0
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[INFO] [stdout] 346eea6c72f14e0e39b6da7ec310d467e142fa0b5514803edcacd1ee8b17a874
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[INFO] running `Command { std: "docker" "inspect" "346eea6c72f14e0e39b6da7ec310d467e142fa0b5514803edcacd1ee8b17a874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346eea6c72f14e0e39b6da7ec310d467e142fa0b5514803edcacd1ee8b17a874", kill_on_drop: false }`
[INFO] [stdout] 346eea6c72f14e0e39b6da7ec310d467e142fa0b5514803edcacd1ee8b17a874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d525606b15ddf551e4fb5ae2386225559acd8530a707c257226a065fd9e46bf3
[INFO] running `Command { std: "docker" "start" "-a" "d525606b15ddf551e4fb5ae2386225559acd8530a707c257226a065fd9e46bf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground-top-crates v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.79s
[INFO] running `Command { std: "docker" "inspect" "d525606b15ddf551e4fb5ae2386225559acd8530a707c257226a065fd9e46bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d525606b15ddf551e4fb5ae2386225559acd8530a707c257226a065fd9e46bf3", kill_on_drop: false }`
[INFO] [stdout] d525606b15ddf551e4fb5ae2386225559acd8530a707c257226a065fd9e46bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 518d3088fd77a169af860c1b5919252da94996c28a9c805d470289ccfb764793
[INFO] running `Command { std: "docker" "start" "-a" "518d3088fd77a169af860c1b5919252da94996c28a9c805d470289ccfb764793", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground_top_crates-faef0ce092c01d71)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground_top_crates-39196806eebb503a)
[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 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - playground_metadata_features (line 144) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - playground_metadata_features (line 144) stdout ----
[INFO] [stdout] error: expected `;`, found `default`
[INFO] [stdout]  --> src/lib.rs:145:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | [package.metadata.playground]
[INFO] [stdout]   |                              ^ help: add `;` here
[INFO] [stdout] 4 | default-features = true
[INFO] [stdout]   | ------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `features`
[INFO] [stdout]  --> src/lib.rs:146:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | default-features = true
[INFO] [stdout]   |                        ^ help: add `;` here
[INFO] [stdout] 5 | features = ["std", "extra-traits"]
[INFO] [stdout]   | -------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `all`
[INFO] [stdout]  --> src/lib.rs:147:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | features = ["std", "extra-traits"]
[INFO] [stdout]   |                                   ^ help: add `;` here
[INFO] [stdout] 6 | all-features = false
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `package` in this scope
[INFO] [stdout]  --> src/lib.rs:145:2
[INFO] [stdout]   |
[INFO] [stdout] 3 | [package.metadata.playground]
[INFO] [stdout]   |  ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cargo::ops::package;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `default` in this scope
[INFO] [stdout]  --> src/lib.rs:146:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | default-features = true
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::default::default;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::default::default;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `features` in this scope
[INFO] [stdout]  --> src/lib.rs:146:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | default-features = true
[INFO] [stdout]   |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `features` in this scope
[INFO] [stdout]  --> src/lib.rs:147:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | features = ["std", "extra-traits"]
[INFO] [stdout]   | ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `all` in this scope
[INFO] [stdout]  --> src/lib.rs:148:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | all-features = false
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::all;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `features` in this scope
[INFO] [stdout]  --> src/lib.rs:148:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | all-features = false
[INFO] [stdout]   |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0070]: invalid left-hand side of assignment
[INFO] [stdout]  --> src/lib.rs:146:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | default-features = true
[INFO] [stdout]   | ---------------- ^
[INFO] [stdout]   | |
[INFO] [stdout]   | cannot assign to this expression
[INFO] [stdout] 
[INFO] [stdout] error[E0070]: invalid left-hand side of assignment
[INFO] [stdout]  --> src/lib.rs:148:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | all-features = false
[INFO] [stdout]   | ------------ ^
[INFO] [stdout]   | |
[INFO] [stdout]   | cannot assign to this expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0070, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0070`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - playground_metadata_features (line 144)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "518d3088fd77a169af860c1b5919252da94996c28a9c805d470289ccfb764793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518d3088fd77a169af860c1b5919252da94996c28a9c805d470289ccfb764793", kill_on_drop: false }`
[INFO] [stdout] 518d3088fd77a169af860c1b5919252da94996c28a9c805d470289ccfb764793