[INFO] fetching crate nightly-quirks 0.1.5... [INFO] building nightly-quirks-0.1.5 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate nightly-quirks 0.1.5 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate nightly-quirks 0.1.5 [INFO] finished tweaking crates.io crate nightly-quirks 0.1.5 [INFO] tweaked toml for crates.io crate nightly-quirks 0.1.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate nightly-quirks 0.1.5 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed745bd4fd2fd88855113fc8f82361d8ffaadc4c68e3c33abcd4a443a36a0f3b [INFO] running `Command { std: "docker" "start" "-a" "ed745bd4fd2fd88855113fc8f82361d8ffaadc4c68e3c33abcd4a443a36a0f3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed745bd4fd2fd88855113fc8f82361d8ffaadc4c68e3c33abcd4a443a36a0f3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed745bd4fd2fd88855113fc8f82361d8ffaadc4c68e3c33abcd4a443a36a0f3b", kill_on_drop: false }` [INFO] [stdout] ed745bd4fd2fd88855113fc8f82361d8ffaadc4c68e3c33abcd4a443a36a0f3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf5cc61f599d8feb53bcc583fe95c1c16053e1584836a4bbb6aea99f7f948c98 [INFO] running `Command { std: "docker" "start" "-a" "cf5cc61f599d8feb53bcc583fe95c1c16053e1584836a4bbb6aea99f7f948c98", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling nightly-quirks v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 24 | int_roundings!(u8); [INFO] [stdout] | ------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:36 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(debug_assertions, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_attributes)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 25 | int_roundings!(i8); [INFO] [stdout] | ------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 26 | int_roundings!(u16); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 27 | int_roundings!(i16); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 28 | int_roundings!(u32); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 29 | int_roundings!(i32); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 30 | int_roundings!(u64); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 31 | int_roundings!(i64); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 32 | int_roundings!(u128); [INFO] [stdout] | -------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/int_roundings.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | / #[must_use = "this returns the result of the operation, \ [INFO] [stdout] 9 | | without modifying the original"] [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] ... [INFO] [stdout] 33 | int_roundings!(i128); [INFO] [stdout] | -------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: this error originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nightly-quirks` (lib) due to 10 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "cf5cc61f599d8feb53bcc583fe95c1c16053e1584836a4bbb6aea99f7f948c98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf5cc61f599d8feb53bcc583fe95c1c16053e1584836a4bbb6aea99f7f948c98", kill_on_drop: false }` [INFO] [stdout] cf5cc61f599d8feb53bcc583fe95c1c16053e1584836a4bbb6aea99f7f948c98