[INFO] fetching crate syncbuf 0.2.0...
[INFO] testing syncbuf-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate syncbuf 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate syncbuf 0.2.0
[INFO] finished tweaking crates.io crate syncbuf 0.2.0
[INFO] tweaked toml for crates.io crate syncbuf 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syncbuf 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52bd515de5edbc4a36ed51b57d8bb45084e7af5bb877e16f2673394658987e89
[INFO] running `Command { std: "docker" "start" "-a" "52bd515de5edbc4a36ed51b57d8bb45084e7af5bb877e16f2673394658987e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52bd515de5edbc4a36ed51b57d8bb45084e7af5bb877e16f2673394658987e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52bd515de5edbc4a36ed51b57d8bb45084e7af5bb877e16f2673394658987e89", kill_on_drop: false }`
[INFO] [stdout] 52bd515de5edbc4a36ed51b57d8bb45084e7af5bb877e16f2673394658987e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a50a1edb2dd85559ccdf369bb94f824bbe94773c7a6c678bbe9f885ff98d6ec4
[INFO] running `Command { std: "docker" "start" "-a" "a50a1edb2dd85559ccdf369bb94f824bbe94773c7a6c678bbe9f885ff98d6ec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncbuf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/syncbuf.rs:6:60
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::sync::atomic::{AtomicUsize, AtomicPtr, Ordering, spin_loop_hint};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/syncbuf.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 Err(_) => spin_loop_hint(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/synclist.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::sync::atomic::{AtomicUsize, Ordering, spin_loop_hint};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/synclist.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 None => spin_loop_hint(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "a50a1edb2dd85559ccdf369bb94f824bbe94773c7a6c678bbe9f885ff98d6ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50a1edb2dd85559ccdf369bb94f824bbe94773c7a6c678bbe9f885ff98d6ec4", kill_on_drop: false }`
[INFO] [stdout] a50a1edb2dd85559ccdf369bb94f824bbe94773c7a6c678bbe9f885ff98d6ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a630960670e62507d6981938871e21a2ff021de91949173b146067fc1bb0408b
[INFO] running `Command { std: "docker" "start" "-a" "a630960670e62507d6981938871e21a2ff021de91949173b146067fc1bb0408b", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/syncbuf.rs:6:60
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::sync::atomic::{AtomicUsize, AtomicPtr, Ordering, spin_loop_hint};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/syncbuf.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 Err(_) => spin_loop_hint(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/synclist.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::sync::atomic::{AtomicUsize, Ordering, spin_loop_hint};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syncbuf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/synclist.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 None => spin_loop_hint(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/syncbuf.rs:6:60
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::sync::atomic::{AtomicUsize, AtomicPtr, Ordering, spin_loop_hint};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/syncbuf.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 Err(_) => spin_loop_hint(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/synclist.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::sync::atomic::{AtomicUsize, Ordering, spin_loop_hint};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/synclist.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 None => spin_loop_hint(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "a630960670e62507d6981938871e21a2ff021de91949173b146067fc1bb0408b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a630960670e62507d6981938871e21a2ff021de91949173b146067fc1bb0408b", kill_on_drop: false }`
[INFO] [stdout] a630960670e62507d6981938871e21a2ff021de91949173b146067fc1bb0408b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3af7a69dcedbe3ecd38044418a6b481106cbdf38f806cacace69f18f516a8e35
[INFO] running `Command { std: "docker" "start" "-a" "3af7a69dcedbe3ecd38044418a6b481106cbdf38f806cacace69f18f516a8e35", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]  --> src/syncbuf.rs:6:60
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::sync::atomic::{AtomicUsize, AtomicPtr, Ordering, spin_loop_hint};
[INFO] [stderr]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/syncbuf.rs:90:27
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 Err(_) => spin_loop_hint(),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]  --> src/synclist.rs:2:49
[INFO] [stderr]   |
[INFO] [stderr] 2 | use core::sync::atomic::{AtomicUsize, Ordering, spin_loop_hint};
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/synclist.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 None => spin_loop_hint(),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `syncbuf` (lib) generated 4 warnings
[INFO] [stderr] warning: `syncbuf` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syncbuf-454fb0d76a68d9ab)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test syncbuf::tests::from_vec ... ok
[INFO] [stdout] test syncbuf::tests::into_vec ... ok
[INFO] [stdout] test syncbuf::tests::refs_not_invalidated ... ok
[INFO] [stdout] test syncbuf::tests::index - should panic ... ok
[INFO] [stdout] test synclist::tests::refs_not_invalidated ... ok
[INFO] [stdout] test syncbuf::tests::push ... ok
[INFO] [stdout] test synclist::tests::index_fns ... ok
[INFO] [stdout] test synclist::tests::simple ... ok
[INFO] [stdout] test synclist::tests::many_threads ... ok
[INFO] [stdout] test syncbuf::tests::many_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syncbuf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/syncbuf.rs - syncbuf::Syncbuf (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3af7a69dcedbe3ecd38044418a6b481106cbdf38f806cacace69f18f516a8e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af7a69dcedbe3ecd38044418a6b481106cbdf38f806cacace69f18f516a8e35", kill_on_drop: false }`
[INFO] [stdout] 3af7a69dcedbe3ecd38044418a6b481106cbdf38f806cacace69f18f516a8e35