[INFO] fetching crate daemon 0.0.8... [INFO] testing daemon-0.0.8 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate daemon 0.0.8 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate daemon 0.0.8 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate daemon 0.0.8 [INFO] finished tweaking crates.io crate daemon 0.0.8 [INFO] tweaked toml for crates.io crate daemon 0.0.8 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 43d82001b08dc4c58a0523cd6596620079c89a20c2d3eeea234a966f6cbede6c [INFO] running `Command { std: "docker" "start" "-a" "43d82001b08dc4c58a0523cd6596620079c89a20c2d3eeea234a966f6cbede6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43d82001b08dc4c58a0523cd6596620079c89a20c2d3eeea234a966f6cbede6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43d82001b08dc4c58a0523cd6596620079c89a20c2d3eeea234a966f6cbede6c", kill_on_drop: false }` [INFO] [stdout] 43d82001b08dc4c58a0523cd6596620079c89a20c2d3eeea234a966f6cbede6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9e1c8cfcc92cd2e65769dc24221e7e788a976d96931752b675620ec32a75267 [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" "d9e1c8cfcc92cd2e65769dc24221e7e788a976d96931752b675620ec32a75267", kill_on_drop: false }` [INFO] [stderr] Compiling daemon v0.0.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/linux.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | holder: Box, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn DaemonFunc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/linux.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | try!(guard_compare_and_swap(daemon_null(), &mut daemon)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/linux.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | try!(guard_compare_and_swap(&mut daemon, daemon_null())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/singleton.rs:38:59 [INFO] [stdout] | [INFO] [stdout] 38 | static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stdout] | [INFO] [stdout] ::: src/linux.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / declare_singleton!( [INFO] [stdout] 10 | | singleton, [INFO] [stdout] 11 | | DaemonHolder, [INFO] [stdout] 12 | | DaemonHolder { [INFO] [stdout] 13 | | holder: 0 as *mut DaemonStatic [INFO] [stdout] 14 | | } [INFO] [stdout] 15 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `declare_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/linux.rs:125:42 [INFO] [stdout] | [INFO] [stdout] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/linux.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `signal_handler` [INFO] [stdout] --> src/linux.rs:125:27 [INFO] [stdout] | [INFO] [stdout] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `raise` [INFO] [stdout] --> src/linux.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 142 | fn raise(sig: libc::c_int) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `signal` [INFO] [stdout] --> src/linux.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 143 | fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `kill` [INFO] [stdout] --> src/linux.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.78s [INFO] running `Command { std: "docker" "inspect" "d9e1c8cfcc92cd2e65769dc24221e7e788a976d96931752b675620ec32a75267", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9e1c8cfcc92cd2e65769dc24221e7e788a976d96931752b675620ec32a75267", kill_on_drop: false }` [INFO] [stdout] d9e1c8cfcc92cd2e65769dc24221e7e788a976d96931752b675620ec32a75267 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b84b7555e15fbe27b18ff6c672d7036435fd3da895b309a218d1d7e62ef34cd4 [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" "b84b7555e15fbe27b18ff6c672d7036435fd3da895b309a218d1d7e62ef34cd4", kill_on_drop: false }` [INFO] [stderr] Compiling daemon v0.0.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/linux.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | holder: Box, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn DaemonFunc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/linux.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | try!(guard_compare_and_swap(daemon_null(), &mut daemon)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/linux.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | try!(guard_compare_and_swap(&mut daemon, daemon_null())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/singleton.rs:38:59 [INFO] [stdout] | [INFO] [stdout] 38 | static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stdout] | [INFO] [stdout] ::: src/linux.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / declare_singleton!( [INFO] [stdout] 10 | | singleton, [INFO] [stdout] 11 | | DaemonHolder, [INFO] [stdout] 12 | | DaemonHolder { [INFO] [stdout] 13 | | holder: 0 as *mut DaemonStatic [INFO] [stdout] 14 | | } [INFO] [stdout] 15 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `declare_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/linux.rs:125:42 [INFO] [stdout] | [INFO] [stdout] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/linux.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `signal_handler` [INFO] [stdout] --> src/linux.rs:125:27 [INFO] [stdout] | [INFO] [stdout] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `raise` [INFO] [stdout] --> src/linux.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 142 | fn raise(sig: libc::c_int) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `signal` [INFO] [stdout] --> src/linux.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 143 | fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `kill` [INFO] [stdout] --> src/linux.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/linux.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | holder: Box, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn DaemonFunc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/linux.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | try!(guard_compare_and_swap(daemon_null(), &mut daemon)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/linux.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | try!(guard_compare_and_swap(&mut daemon, daemon_null())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/singleton.rs:38:59 [INFO] [stdout] | [INFO] [stdout] 38 | static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stdout] | [INFO] [stdout] ::: src/linux.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / declare_singleton!( [INFO] [stdout] 10 | | singleton, [INFO] [stdout] 11 | | DaemonHolder, [INFO] [stdout] 12 | | DaemonHolder { [INFO] [stdout] 13 | | holder: 0 as *mut DaemonStatic [INFO] [stdout] 14 | | } [INFO] [stdout] 15 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `declare_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/singleton.rs:38:59 [INFO] [stdout] | [INFO] [stdout] 38 | static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stdout] ... [INFO] [stdout] 61 | declare_singleton!(simple_singleton, u32, 0); [INFO] [stdout] | -------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `declare_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/linux.rs:125:42 [INFO] [stdout] | [INFO] [stdout] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/linux.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `signal_handler` [INFO] [stdout] --> src/linux.rs:125:27 [INFO] [stdout] | [INFO] [stdout] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `raise` [INFO] [stdout] --> src/linux.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 142 | fn raise(sig: libc::c_int) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `signal` [INFO] [stdout] --> src/linux.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 143 | fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `kill` [INFO] [stdout] --> src/linux.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "b84b7555e15fbe27b18ff6c672d7036435fd3da895b309a218d1d7e62ef34cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b84b7555e15fbe27b18ff6c672d7036435fd3da895b309a218d1d7e62ef34cd4", kill_on_drop: false }` [INFO] [stdout] b84b7555e15fbe27b18ff6c672d7036435fd3da895b309a218d1d7e62ef34cd4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7e3fa8a758c3c537095e312f51f72aa7ff8e30c52696fdd1bdb99408b6226fdc [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" "7e3fa8a758c3c537095e312f51f72aa7ff8e30c52696fdd1bdb99408b6226fdc", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 1 test [INFO] [stderr] --> src/linux.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | holder: Box, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn DaemonFunc` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/linux.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | try!(guard_compare_and_swap(daemon_null(), &mut daemon)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/linux.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | try!(guard_compare_and_swap(&mut daemon, daemon_null())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stderr] --> src/singleton.rs:38:59 [INFO] [stderr] | [INFO] [stderr] 38 | static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT; [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stderr] | [INFO] [stderr] ::: src/linux.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | / declare_singleton!( [INFO] [stderr] 10 | | singleton, [INFO] [stderr] 11 | | DaemonHolder, [INFO] [stderr] 12 | | DaemonHolder { [INFO] [stderr] 13 | | holder: 0 as *mut DaemonStatic [INFO] [stderr] 14 | | } [INFO] [stderr] 15 | | ); [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `declare_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sig` [INFO] [stderr] --> src/linux.rs:125:42 [INFO] [stderr] | [INFO] [stderr] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/linux.rs:111:5 [INFO] [stderr] | [INFO] [stderr] 111 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `signal_handler` [INFO] [stderr] --> src/linux.rs:125:27 [INFO] [stderr] | [INFO] [stderr] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `raise` [INFO] [stderr] --> src/linux.rs:142:5 [INFO] [stderr] | [INFO] [stderr] 142 | fn raise(sig: libc::c_int) -> libc::c_int; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `signal` [INFO] [stderr] --> src/linux.rs:143:5 [INFO] [stderr] | [INFO] [stderr] 143 | fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `kill` [INFO] [stderr] --> src/linux.rs:144:5 [INFO] [stderr] | [INFO] [stderr] 144 | fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `daemon` (lib) generated 10 warnings [INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stderr] --> src/singleton.rs:38:59 [INFO] [stderr] | [INFO] [stderr] 38 | static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT; [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stderr] ... [INFO] [stderr] 61 | declare_singleton!(simple_singleton, u32, 0); [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `declare_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `daemon` (lib test) generated 11 warnings (10 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/daemon-c07b7eed0889d3c6) [INFO] [stdout] test singleton::test::smoke_test ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/example-adf7ef7de05b811e) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests daemon [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7e3fa8a758c3c537095e312f51f72aa7ff8e30c52696fdd1bdb99408b6226fdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e3fa8a758c3c537095e312f51f72aa7ff8e30c52696fdd1bdb99408b6226fdc", kill_on_drop: false }` [INFO] [stdout] 7e3fa8a758c3c537095e312f51f72aa7ff8e30c52696fdd1bdb99408b6226fdc