[INFO] fetching crate lossyq 0.1.19...
[INFO] checking lossyq-0.1.19 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate lossyq 0.1.19 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lossyq 0.1.19 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 lossyq 0.1.19
[INFO] finished tweaking crates.io crate lossyq 0.1.19
[INFO] tweaked toml for crates.io crate lossyq 0.1.19 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 17917c1f93c2d22b1f326cca607b178c2db0cdcc31d28238fb7ff2fbc7c35a0e
[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" "17917c1f93c2d22b1f326cca607b178c2db0cdcc31d28238fb7ff2fbc7c35a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17917c1f93c2d22b1f326cca607b178c2db0cdcc31d28238fb7ff2fbc7c35a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17917c1f93c2d22b1f326cca607b178c2db0cdcc31d28238fb7ff2fbc7c35a0e", kill_on_drop: false }`
[INFO] [stdout] 17917c1f93c2d22b1f326cca607b178c2db0cdcc31d28238fb7ff2fbc7c35a0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e0b870e5d72b2d64669bebf8026d3c31ec6a02f9da3b5dd3e5a62863c960f57b
[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" "e0b870e5d72b2d64669bebf8026d3c31ec6a02f9da3b5dd3e5a62863c960f57b", kill_on_drop: false }`
[INFO] [stderr] Checking lossyq v0.1.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] --> src/spsc/noloss.rs:16:37
[INFO] [stdout] |
[INFO] [stdout] 16 | overflow: &mut Overflow)
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] --> src/cb/mod.rs:157:35
[INFO] [stdout] |
[INFO] [stdout] 157 | if chk_flag == (*v).compare_and_swap(chk_flag, new_flag, Ordering::AcqRel) {
[INFO] [stdout] | ^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout] --> src/cb/tests.rs:144:71
[INFO] [stdout] |
[INFO] [stdout] 144 | let c = x.iter().fold(String::new(), |mut acc,x| { acc.push_str(x); (acc) } );
[INFO] [stdout] | ^^^^^ help: remove these parentheses
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] --> src/spsc/noloss.rs:16:37
[INFO] [stdout] |
[INFO] [stdout] 16 | overflow: &mut Overflow)
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/cb/mod.rs:88:16
[INFO] [stdout] |
[INFO] [stdout] 88 | panic!(format!("write_tmp: {} is invalid. size is {}, seqno is {}, serial is {}",
[INFO] [stdout] | ________________^
[INFO] [stdout] 89 | | self.write_tmp, self.size, seqno, serial));
[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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/cb/mod.rs:103:16
[INFO] [stdout] |
[INFO] [stdout] 103 | panic!(format!("pos: {} is invalid. size is {}, seqno is {}, serial is {}",pos, self.size, seqno, serial));
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this is no longer accepted in Rust 2021
[INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/cb/mod.rs:167:22
[INFO] [stdout] |
[INFO] [stdout] 167 | ... panic!(format!("pos: {} is invalid. size is {}, count is {}, seqno is {}, serial is {}",pos, self.size, count, seqno, serial));
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this is no longer accepted in Rust 2021
[INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/cb/mod.rs:173:18
[INFO] [stdout] |
[INFO] [stdout] 173 | panic!(format!("count: {} is invalid. size is {}, pos is {}, seqno is {}, serial is {}",count, self.size, pos, seqno, serial));
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this is no longer accepted in Rust 2021
[INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] --> src/cb/mod.rs:157:35
[INFO] [stdout] |
[INFO] [stdout] 157 | if chk_flag == (*v).compare_and_swap(chk_flag, new_flag, Ordering::AcqRel) {
[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/cb/mod.rs:88:16
[INFO] [stdout] |
[INFO] [stdout] 88 | panic!(format!("write_tmp: {} is invalid. size is {}, seqno is {}, serial is {}",
[INFO] [stdout] | ________________^
[INFO] [stdout] 89 | | self.write_tmp, self.size, seqno, serial));
[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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/cb/mod.rs:103:16
[INFO] [stdout] |
[INFO] [stdout] 103 | panic!(format!("pos: {} is invalid. size is {}, seqno is {}, serial is {}",pos, self.size, seqno, serial));
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this is no longer accepted in Rust 2021
[INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/cb/mod.rs:167:22
[INFO] [stdout] |
[INFO] [stdout] 167 | ... panic!(format!("pos: {} is invalid. size is {}, count is {}, seqno is {}, serial is {}",pos, self.size, count, seqno, serial));
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this is no longer accepted in Rust 2021
[INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/cb/mod.rs:173:18
[INFO] [stdout] |
[INFO] [stdout] 173 | panic!(format!("count: {} is invalid. size is {}, pos is {}, seqno is {}, serial is {}",count, self.size, pos, seqno, serial));
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this is no longer accepted in Rust 2021
[INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "e0b870e5d72b2d64669bebf8026d3c31ec6a02f9da3b5dd3e5a62863c960f57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b870e5d72b2d64669bebf8026d3c31ec6a02f9da3b5dd3e5a62863c960f57b", kill_on_drop: false }`
[INFO] [stdout] e0b870e5d72b2d64669bebf8026d3c31ec6a02f9da3b5dd3e5a62863c960f57b