[INFO] fetching crate unsize 1.1.0...
[INFO] building unsize-1.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate unsize 1.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate unsize 1.1.0
[INFO] finished tweaking crates.io crate unsize 1.1.0
[INFO] tweaked toml for crates.io crate unsize 1.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unsize 1.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26aa65f8f187209b0a34731dbdded69b882807f7fd301293f6a2070f94dbbd68
[INFO] running `Command { std: "docker" "start" "-a" "26aa65f8f187209b0a34731dbdded69b882807f7fd301293f6a2070f94dbbd68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26aa65f8f187209b0a34731dbdded69b882807f7fd301293f6a2070f94dbbd68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26aa65f8f187209b0a34731dbdded69b882807f7fd301293f6a2070f94dbbd68", kill_on_drop: false }`
[INFO] [stdout] 26aa65f8f187209b0a34731dbdded69b882807f7fd301293f6a2070f94dbbd68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e80f68b3a51d1334a448f9413ff5c762e2844c703a107c02c6f46b6b489cb534
[INFO] running `Command { std: "docker" "start" "-a" "e80f68b3a51d1334a448f9413ff5c762e2844c703a107c02c6f46b6b489cb534", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsize v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / /// ```
[INFO] [stdout] 409 | | /// use unsize::{Coercion, CoerceUnsize};
[INFO] [stdout] 410 | | /// fn arg0<F: 'static + FnOnce()>(fptr: &F) -> &dyn FnOnce() {
[INFO] [stdout] 411 | | ///     fptr.unsize(Coercion::<_, dyn FnOnce()>::to_fn_once())
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | | /// arg6(&|_,_,_,_,_,_| {});
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 425 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:425:1
[INFO] [stdout]     |
[INFO] [stdout] 425 | extern {}
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:515:1
[INFO] [stdout]     |
[INFO] [stdout] 515 | / /// Ensure that using `CoerceUnsize` does not import as_sized_ptr.
[INFO] [stdout] 516 | | ///
[INFO] [stdout] 517 | | /// ```compile_fail
[INFO] [stdout] 518 | | /// use unsize::CoerceUnsize;
[INFO] [stdout] ...   |
[INFO] [stdout] 522 | | /// let _ = ptr.as_sized_ptr();
[INFO] [stdout] 523 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 524 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:524:1
[INFO] [stdout]     |
[INFO] [stdout] 524 | extern {}
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "e80f68b3a51d1334a448f9413ff5c762e2844c703a107c02c6f46b6b489cb534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80f68b3a51d1334a448f9413ff5c762e2844c703a107c02c6f46b6b489cb534", kill_on_drop: false }`
[INFO] [stdout] e80f68b3a51d1334a448f9413ff5c762e2844c703a107c02c6f46b6b489cb534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 636f41824af531e2107a64987eb28c04bde0cdf49353c2e3a727f8501051c864
[INFO] running `Command { std: "docker" "start" "-a" "636f41824af531e2107a64987eb28c04bde0cdf49353c2e3a727f8501051c864", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / /// ```
[INFO] [stdout] 409 | | /// use unsize::{Coercion, CoerceUnsize};
[INFO] [stdout] 410 | | /// fn arg0<F: 'static + FnOnce()>(fptr: &F) -> &dyn FnOnce() {
[INFO] [stdout] 411 | | ///     fptr.unsize(Coercion::<_, dyn FnOnce()>::to_fn_once())
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | | /// arg6(&|_,_,_,_,_,_| {});
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 425 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:425:1
[INFO] [stdout]     |
[INFO] [stdout] 425 | extern {}
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:515:1
[INFO] [stdout]     |
[INFO] [stdout] 515 | / /// Ensure that using `CoerceUnsize` does not import as_sized_ptr.
[INFO] [stdout] 516 | | ///
[INFO] [stdout] 517 | | /// ```compile_fail
[INFO] [stdout] 518 | | /// use unsize::CoerceUnsize;
[INFO] [stdout] ...   |
[INFO] [stdout] 522 | | /// let _ = ptr.as_sized_ptr();
[INFO] [stdout] 523 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 524 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:524:1
[INFO] [stdout]     |
[INFO] [stdout] 524 | extern {}
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unsize v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / /// ```
[INFO] [stdout] 409 | | /// use unsize::{Coercion, CoerceUnsize};
[INFO] [stdout] 410 | | /// fn arg0<F: 'static + FnOnce()>(fptr: &F) -> &dyn FnOnce() {
[INFO] [stdout] 411 | | ///     fptr.unsize(Coercion::<_, dyn FnOnce()>::to_fn_once())
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | | /// arg6(&|_,_,_,_,_,_| {});
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 425 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:425:1
[INFO] [stdout]     |
[INFO] [stdout] 425 | extern {}
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:515:1
[INFO] [stdout]     |
[INFO] [stdout] 515 | / /// Ensure that using `CoerceUnsize` does not import as_sized_ptr.
[INFO] [stdout] 516 | | ///
[INFO] [stdout] 517 | | /// ```compile_fail
[INFO] [stdout] 518 | | /// use unsize::CoerceUnsize;
[INFO] [stdout] ...   |
[INFO] [stdout] 522 | | /// let _ = ptr.as_sized_ptr();
[INFO] [stdout] 523 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 524 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:524:1
[INFO] [stdout]     |
[INFO] [stdout] 524 | extern {}
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "636f41824af531e2107a64987eb28c04bde0cdf49353c2e3a727f8501051c864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636f41824af531e2107a64987eb28c04bde0cdf49353c2e3a727f8501051c864", kill_on_drop: false }`
[INFO] [stdout] 636f41824af531e2107a64987eb28c04bde0cdf49353c2e3a727f8501051c864