[INFO] fetching crate select-rustc 0.1.2...
[INFO] testing select-rustc-0.1.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate select-rustc 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate select-rustc 0.1.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate select-rustc 0.1.2
[INFO] finished tweaking crates.io crate select-rustc 0.1.2
[INFO] tweaked toml for crates.io crate select-rustc 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5a8ff402f4662461c8d727303592c6219e8ecfef6345fbd1a3ef6f8081c7b91
[INFO] running `Command { std: "docker" "start" "-a" "e5a8ff402f4662461c8d727303592c6219e8ecfef6345fbd1a3ef6f8081c7b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5a8ff402f4662461c8d727303592c6219e8ecfef6345fbd1a3ef6f8081c7b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a8ff402f4662461c8d727303592c6219e8ecfef6345fbd1a3ef6f8081c7b91", kill_on_drop: false }`
[INFO] [stdout] e5a8ff402f4662461c8d727303592c6219e8ecfef6345fbd1a3ef6f8081c7b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56e2809306998a38899d46c7ab616e715f156f061781adace3eecf8ac28f611a
[INFO] running `Command { std: "docker" "start" "-a" "56e2809306998a38899d46c7ab616e715f156f061781adace3eecf8ac28f611a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling select-rustc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "56e2809306998a38899d46c7ab616e715f156f061781adace3eecf8ac28f611a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e2809306998a38899d46c7ab616e715f156f061781adace3eecf8ac28f611a", kill_on_drop: false }`
[INFO] [stdout] 56e2809306998a38899d46c7ab616e715f156f061781adace3eecf8ac28f611a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 652d1747b90b32d882d8aa0833a1686a9dbbe2d3ed8a97b181f653ac8bd151e3
[INFO] running `Command { std: "docker" "start" "-a" "652d1747b90b32d882d8aa0833a1686a9dbbe2d3ed8a97b181f653ac8bd151e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling select-rustc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "652d1747b90b32d882d8aa0833a1686a9dbbe2d3ed8a97b181f653ac8bd151e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652d1747b90b32d882d8aa0833a1686a9dbbe2d3ed8a97b181f653ac8bd151e3", kill_on_drop: false }`
[INFO] [stdout] 652d1747b90b32d882d8aa0833a1686a9dbbe2d3ed8a97b181f653ac8bd151e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5aee465f381ea583c9c1e732f9cbc2289c49197246bf40d76513fe6992f7300
[INFO] running `Command { std: "docker" "start" "-a" "c5aee465f381ea583c9c1e732f9cbc2289c49197246bf40d76513fe6992f7300", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc-a7a50ae2e49b3abf)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rustc
[INFO] [stdout] test rustc::test_parse ... 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 3 tests
[INFO] [stdout] test src/lib.rs - (line 129) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 98) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 115) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 129) stdout ----
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]  --> src/lib.rs:132:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[rustc::attr(since(1.32), const)]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 98) stdout ----
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]  --> src/lib.rs:101:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[rustc::since(1.33)]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]  --> src/lib.rs:104:3
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[rustc::since(1.33)]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 115) stdout ----
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]  --> src/lib.rs:116:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[rustc::attr(before(1.33), repr(packed))]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]  --> src/lib.rs:117:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[rustc::attr(since(1.33), repr(packed(2)))]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 115)
[INFO] [stdout]     src/lib.rs - (line 129)
[INFO] [stdout]     src/lib.rs - (line 98)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c5aee465f381ea583c9c1e732f9cbc2289c49197246bf40d76513fe6992f7300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5aee465f381ea583c9c1e732f9cbc2289c49197246bf40d76513fe6992f7300", kill_on_drop: false }`
[INFO] [stdout] c5aee465f381ea583c9c1e732f9cbc2289c49197246bf40d76513fe6992f7300