[INFO] fetching crate oneshot 0.1.2... [INFO] checking oneshot-0.1.2 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate oneshot 0.1.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate oneshot 0.1.2 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate oneshot 0.1.2 [INFO] finished tweaking crates.io crate oneshot 0.1.2 [INFO] tweaked toml for crates.io crate oneshot 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate oneshot 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27388ac98212f5dc01d5206138d1b0e973166e651f56404f794eccf7ed649a76 [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" "27388ac98212f5dc01d5206138d1b0e973166e651f56404f794eccf7ed649a76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27388ac98212f5dc01d5206138d1b0e973166e651f56404f794eccf7ed649a76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27388ac98212f5dc01d5206138d1b0e973166e651f56404f794eccf7ed649a76", kill_on_drop: false }` [INFO] [stdout] 27388ac98212f5dc01d5206138d1b0e973166e651f56404f794eccf7ed649a76 [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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08ea3eb02d8310125f083babbee9a4e40324101aaeace67b500d41d55235a7d5 [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" "08ea3eb02d8310125f083babbee9a4e40324101aaeace67b500d41d55235a7d5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling syn v1.0.20 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking oorandom v11.1.1 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking oneshot v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:332:37 [INFO] [stdout] | [INFO] [stdout] 332 | match channel.state.compare_and_swap(EMPTY, RECEIVING, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:414:37 [INFO] [stdout] | [INFO] [stdout] 414 | match channel.state.compare_and_swap(EMPTY, RECEIVING, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:512:37 [INFO] [stdout] | [INFO] [stdout] 512 | match channel.state.compare_and_swap(EMPTY, RECEIVING, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:586:37 [INFO] [stdout] | [INFO] [stdout] 586 | match channel.state.compare_and_swap(EMPTY, RECEIVING, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:382:33 [INFO] [stdout] | [INFO] [stdout] 382 | RECEIVING => panic!(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [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] 382 | RECEIVING => panic!("{}", RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 382 | RECEIVING => std::panic::panic_any(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:455:33 [INFO] [stdout] | [INFO] [stdout] 455 | RECEIVING => panic!(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [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] 455 | RECEIVING => panic!("{}", RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 455 | RECEIVING => std::panic::panic_any(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:565:33 [INFO] [stdout] | [INFO] [stdout] 565 | RECEIVING => panic!(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [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] 565 | RECEIVING => panic!("{}", RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 565 | RECEIVING => std::panic::panic_any(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking kv-log-macro v1.0.5 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking async-task v1.3.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking criterion-plot v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking plotters v0.2.14 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking async-std v1.5.0 [INFO] [stderr] Checking tokio v0.2.20 [INFO] [stderr] Checking criterion v0.3.2 [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:332:37 [INFO] [stdout] | [INFO] [stdout] 332 | match channel.state.compare_and_swap(EMPTY, RECEIVING, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:414:37 [INFO] [stdout] | [INFO] [stdout] 414 | match channel.state.compare_and_swap(EMPTY, RECEIVING, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:512:37 [INFO] [stdout] | [INFO] [stdout] 512 | match channel.state.compare_and_swap(EMPTY, RECEIVING, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:586:37 [INFO] [stdout] | [INFO] [stdout] 586 | match channel.state.compare_and_swap(EMPTY, RECEIVING, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:382:33 [INFO] [stdout] | [INFO] [stdout] 382 | RECEIVING => panic!(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [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] 382 | RECEIVING => panic!("{}", RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 382 | RECEIVING => std::panic::panic_any(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:455:33 [INFO] [stdout] | [INFO] [stdout] 455 | RECEIVING => panic!(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [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] 455 | RECEIVING => panic!("{}", RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 455 | RECEIVING => std::panic::panic_any(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:565:33 [INFO] [stdout] | [INFO] [stdout] 565 | RECEIVING => panic!(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [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] 565 | RECEIVING => panic!("{}", RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 565 | RECEIVING => std::panic::panic_any(RECEIVER_USED_SYNC_AND_ASYNC_ERROR), [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 1m 04s [INFO] running `Command { std: "docker" "inspect" "08ea3eb02d8310125f083babbee9a4e40324101aaeace67b500d41d55235a7d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08ea3eb02d8310125f083babbee9a4e40324101aaeace67b500d41d55235a7d5", kill_on_drop: false }` [INFO] [stdout] 08ea3eb02d8310125f083babbee9a4e40324101aaeace67b500d41d55235a7d5