[INFO] fetching crate lossyq 0.1.19...
[INFO] checking lossyq-0.1.19 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate lossyq 0.1.19 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lossyq 0.1.19 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86daa542aa9d94bcebbd57a6a9379eff253de68361f9a9246db182bd7ef22e96
[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" "86daa542aa9d94bcebbd57a6a9379eff253de68361f9a9246db182bd7ef22e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86daa542aa9d94bcebbd57a6a9379eff253de68361f9a9246db182bd7ef22e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86daa542aa9d94bcebbd57a6a9379eff253de68361f9a9246db182bd7ef22e96", kill_on_drop: false }`
[INFO] [stdout] 86daa542aa9d94bcebbd57a6a9379eff253de68361f9a9246db182bd7ef22e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4031144de497872165f298e9f75de4c6bad48cb4020838938ca8c2da5647a1e
[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" "b4031144de497872165f298e9f75de4c6bad48cb4020838938ca8c2da5647a1e", kill_on_drop: false }`
[INFO] [stderr] Checking lossyq v0.1.19 (/opt/rustwide/workdir)
[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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout] = note: for more information, see issue #80165
[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: 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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout] = note: for more information, see issue #80165
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 88 | panic!("write_tmp: {} is invalid. size is {}, seqno is {}, serial is {}",
[INFO] [stdout] 89 | self.write_tmp, self.size, seqno, serial);
[INFO] [stdout] |
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 103 | panic!("pos: {} is invalid. size is {}, seqno is {}, serial is {}",pos, self.size, seqno, serial);
[INFO] [stdout] | -- --
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 167 | panic!("pos: {} is invalid. size is {}, count is {}, seqno is {}, serial is {}",pos, self.size, count, seqno, serial);
[INFO] [stdout] | -- --
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 173 | panic!("count: {} is invalid. size is {}, pos is {}, seqno is {}, serial is {}",count, self.size, pos, seqno, serial);
[INFO] [stdout] | -- --
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 88 | panic!("write_tmp: {} is invalid. size is {}, seqno is {}, serial is {}",
[INFO] [stdout] 89 | self.write_tmp, self.size, seqno, serial);
[INFO] [stdout] |
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 103 | panic!("pos: {} is invalid. size is {}, seqno is {}, serial is {}",pos, self.size, seqno, serial);
[INFO] [stdout] | -- --
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 167 | panic!("pos: {} is invalid. size is {}, count is {}, seqno is {}, serial is {}",pos, self.size, count, seqno, serial);
[INFO] [stdout] | -- --
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 173 | panic!("count: {} is invalid. size is {}, pos is {}, seqno is {}, serial is {}",count, self.size, pos, seqno, serial);
[INFO] [stdout] | -- --
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "b4031144de497872165f298e9f75de4c6bad48cb4020838938ca8c2da5647a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4031144de497872165f298e9f75de4c6bad48cb4020838938ca8c2da5647a1e", kill_on_drop: false }`
[INFO] [stdout] b4031144de497872165f298e9f75de4c6bad48cb4020838938ca8c2da5647a1e