[INFO] fetching crate conquer-once 0.3.2...
[INFO] testing conquer-once-0.3.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate conquer-once 0.3.2 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate conquer-once 0.3.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conquer-once 0.3.2
[INFO] finished tweaking crates.io crate conquer-once 0.3.2
[INFO] tweaked toml for crates.io crate conquer-once 0.3.2 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f43f2cf7d16c51017ea4f1e232825cdf17c991134a34666d1a96082f59e7b277
[INFO] running `Command { std: "docker" "start" "-a" "f43f2cf7d16c51017ea4f1e232825cdf17c991134a34666d1a96082f59e7b277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f43f2cf7d16c51017ea4f1e232825cdf17c991134a34666d1a96082f59e7b277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43f2cf7d16c51017ea4f1e232825cdf17c991134a34666d1a96082f59e7b277", kill_on_drop: false }`
[INFO] [stdout] f43f2cf7d16c51017ea4f1e232825cdf17c991134a34666d1a96082f59e7b277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 014ab1244642f35a1eac7851ce2bbbe15791992a08d322bef533ca8b7616ed17
[INFO] running `Command { std: "docker" "start" "-a" "014ab1244642f35a1eac7851ce2bbbe15791992a08d322bef533ca8b7616ed17", kill_on_drop: false }`
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling conquer-once v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/spin.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::sync::atomic::{spin_loop_hint, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/spin.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             spin_loop_hint()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cell.rs:220:47
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Err(_) if !ignore_panic => panic!(POISON_PANIC_MSG),
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Err(_) if !ignore_panic => panic!("{}", POISON_PANIC_MSG),
[INFO] [stdout]     |                                               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "014ab1244642f35a1eac7851ce2bbbe15791992a08d322bef533ca8b7616ed17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014ab1244642f35a1eac7851ce2bbbe15791992a08d322bef533ca8b7616ed17", kill_on_drop: false }`
[INFO] [stdout] 014ab1244642f35a1eac7851ce2bbbe15791992a08d322bef533ca8b7616ed17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6e21104704f1d98c2e466ea7b14e1fb2bacacf77902345b7c869352f880b641
[INFO] running `Command { std: "docker" "start" "-a" "a6e21104704f1d98c2e466ea7b14e1fb2bacacf77902345b7c869352f880b641", kill_on_drop: false }`
[INFO] [stderr]    Compiling conquer-once v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/spin.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::sync::atomic::{spin_loop_hint, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/spin.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             spin_loop_hint()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cell.rs:220:47
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Err(_) if !ignore_panic => panic!(POISON_PANIC_MSG),
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Err(_) if !ignore_panic => panic!("{}", POISON_PANIC_MSG),
[INFO] [stdout]     |                                               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/spin.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::sync::atomic::{spin_loop_hint, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/spin.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             spin_loop_hint()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cell.rs:220:47
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Err(_) if !ignore_panic => panic!(POISON_PANIC_MSG),
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Err(_) if !ignore_panic => panic!("{}", POISON_PANIC_MSG),
[INFO] [stdout]     |                                               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "a6e21104704f1d98c2e466ea7b14e1fb2bacacf77902345b7c869352f880b641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e21104704f1d98c2e466ea7b14e1fb2bacacf77902345b7c869352f880b641", kill_on_drop: false }`
[INFO] [stdout] a6e21104704f1d98c2e466ea7b14e1fb2bacacf77902345b7c869352f880b641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e1f8da0746cbcd9345b46af2ca0ec68560d1dce494d858e6f02f7bdb9d3fd09
[INFO] running `Command { std: "docker" "start" "-a" "3e1f8da0746cbcd9345b46af2ca0ec68560d1dce494d858e6f02f7bdb9d3fd09", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]  --> src/spin.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::sync::atomic::{spin_loop_hint, Ordering};
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/spin.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             spin_loop_hint()
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/cell.rs:220:47
[INFO] [stderr]     |
[INFO] [stderr] 220 |             Err(_) if !ignore_panic => panic!(POISON_PANIC_MSG),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 220 |             Err(_) if !ignore_panic => panic!("{}", POISON_PANIC_MSG),
[INFO] [stderr]     |                                               +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `conquer-once` (lib) generated 3 warnings
[INFO] [stderr] warning: `conquer-once` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/conquer_once-3e0e130c7530b944)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test noblock::tests::once_cell_uninit ... ok
[INFO] [stdout] test noblock::tests::recursive ... ok
[INFO] [stdout] test park::tests::lazy ... ok
[INFO] [stdout] test park::tests::lazy_mutex ... ok
[INFO] [stdout] test park::tests::once_cell_drop ... ok
[INFO] [stdout] test park::tests::once_cell_init_once ... ok
[INFO] [stdout] test park::tests::once_cell_into_inner ... ok
[INFO] [stdout] test noblock::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] test noblock::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test park::tests::once_cell_new ... ok
[INFO] [stdout] test park::tests::once_cell_uninit ... ok
[INFO] [stdout] test park::tests::recursive ... ok
[INFO] [stdout] test park::tests::once_cell_block ... ok
[INFO] [stdout] test spin::tests::lazy_mutex ... ok
[INFO] [stdout] test spin::tests::lazy ... ok
[INFO] [stdout] test park::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] test park::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test spin::tests::once_cell_drop ... ok
[INFO] [stdout] test spin::tests::once_cell_into_inner ... ok
[INFO] [stdout] test spin::tests::once_cell_init_once ... ok
[INFO] [stdout] test spin::tests::once_cell_new ... ok
[INFO] [stdout] test spin::tests::once_cell_block ... ok
[INFO] [stdout] test spin::tests::once_cell_uninit ... ok
[INFO] [stdout] test spin::tests::recursive ... ok
[INFO] [stdout] test spin::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] test spin::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test park::tests::drop_on_panic - should panic ... ok
[INFO] [stdout] test park::tests::lazy_poisoned ... ok
[INFO] [stdout] test spin::tests::drop_on_panic - should panic ... ok
[INFO] [stdout] test park::tests::catch_panic ... ok
[INFO] [stdout] test park::tests::once_cell_into_inner_poisoned - should panic ... ok
[INFO] [stdout] test spin::tests::catch_panic ... ok
[INFO] [stdout] test spin::tests::lazy_poisoned ... ok
[INFO] [stdout] test park::tests::once_cell_propagate_poison_from_block - should panic ... ok
[INFO] [stdout] test spin::tests::once_cell_into_inner_poisoned - should panic ... ok
[INFO] [stdout] test spin::tests::once_cell_propagate_poison_from_block - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests conquer-once
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/park.rs - park::Once (line 140) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::into_inner (line 99) ... ok
[INFO] [stdout] test src/lazy.rs - lazy::Lazy<T,B,F>::new (line 37) ... ok
[INFO] [stdout] test src/park.rs - park::OnceCell (line 92) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::try_init_once (line 258) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::get (line 367) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::init_once (line 415) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::get_unchecked (line 185) ... ok
[INFO] [stdout] test src/park.rs - park::Lazy (line 32) ... ok
[INFO] [stdout] test src/park.rs - park::Lazy (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e1f8da0746cbcd9345b46af2ca0ec68560d1dce494d858e6f02f7bdb9d3fd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1f8da0746cbcd9345b46af2ca0ec68560d1dce494d858e6f02f7bdb9d3fd09", kill_on_drop: false }`
[INFO] [stdout] 3e1f8da0746cbcd9345b46af2ca0ec68560d1dce494d858e6f02f7bdb9d3fd09