[INFO] fetching crate os-sync 0.3.3... [INFO] checking os-sync-0.3.3 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789 [INFO] extracting crate os-sync 0.3.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate os-sync 0.3.3 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate os-sync 0.3.3 [INFO] finished tweaking crates.io crate os-sync 0.3.3 [INFO] tweaked toml for crates.io crate os-sync 0.3.3 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded str-buf v1.0.5 [INFO] [stderr] Downloaded error-code v2.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57c3c7e1804facdedd5ab6b12d71fae8d2128ef52848fff16a84e367f6613c71 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "57c3c7e1804facdedd5ab6b12d71fae8d2128ef52848fff16a84e367f6613c71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57c3c7e1804facdedd5ab6b12d71fae8d2128ef52848fff16a84e367f6613c71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57c3c7e1804facdedd5ab6b12d71fae8d2128ef52848fff16a84e367f6613c71", kill_on_drop: false }` [INFO] [stdout] 57c3c7e1804facdedd5ab6b12d71fae8d2128ef52848fff16a84e367f6613c71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d48e1ea0b37b4308de7ab23d1e28a1179d6525606c7f3df1b2914eb6f5a7cce [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9d48e1ea0b37b4308de7ab23d1e28a1179d6525606c7f3df1b2914eb6f5a7cce", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Checking str-buf v1.0.5 [INFO] [stderr] Checking error-code v2.0.2 [INFO] [stderr] Checking os-sync v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::convert::TryFrom` [INFO] [stdout] --> src/sem/posix.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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/once.rs:125:25 [INFO] [stdout] | [INFO] [stdout] 125 | core::sync::atomic::spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::convert::TryFrom` [INFO] [stdout] --> src/sem/posix.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/once.rs:92:49 [INFO] [stdout] | [INFO] [stdout] 92 | if INCOMPLETE != self.state.compare_and_swap(INCOMPLETE, RUNNING, Ordering::Acquire) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicU32::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/mutex/sem.rs:34:23 [INFO] [stdout] | [INFO] [stdout] 34 | if self.count.compare_and_swap(0, 1, Ordering::AcqRel) > 0 { [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/once.rs:125:25 [INFO] [stdout] | [INFO] [stdout] 125 | core::sync::atomic::spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/once.rs:82:16 [INFO] [stdout] | [INFO] [stdout] 82 | panic!(FAIL_MSG) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 82 | panic!("{}", FAIL_MSG) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/once.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 90 | FAIL => panic!(FAIL_MSG), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 90 | FAIL => panic!("{}", FAIL_MSG), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/once.rs:121:36 [INFO] [stdout] | [INFO] [stdout] 121 | ... panic!(FAIL_MSG); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 121 | panic!("{}", FAIL_MSG); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/once.rs:92:49 [INFO] [stdout] | [INFO] [stdout] 92 | if INCOMPLETE != self.state.compare_and_swap(INCOMPLETE, RUNNING, Ordering::Acquire) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicU32::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/mutex/sem.rs:34:23 [INFO] [stdout] | [INFO] [stdout] 34 | if self.count.compare_and_swap(0, 1, Ordering::AcqRel) > 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/once.rs:82:16 [INFO] [stdout] | [INFO] [stdout] 82 | panic!(FAIL_MSG) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 82 | panic!("{}", FAIL_MSG) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/once.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 90 | FAIL => panic!(FAIL_MSG), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 90 | FAIL => panic!("{}", FAIL_MSG), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/once.rs:121:36 [INFO] [stdout] | [INFO] [stdout] 121 | ... panic!(FAIL_MSG); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 121 | panic!("{}", FAIL_MSG); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "9d48e1ea0b37b4308de7ab23d1e28a1179d6525606c7f3df1b2914eb6f5a7cce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d48e1ea0b37b4308de7ab23d1e28a1179d6525606c7f3df1b2914eb6f5a7cce", kill_on_drop: false }` [INFO] [stdout] 9d48e1ea0b37b4308de7ab23d1e28a1179d6525606c7f3df1b2914eb6f5a7cce