[INFO] fetching crate serde_multi 0.1.1... [INFO] checking serde_multi-0.1.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate serde_multi 0.1.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate serde_multi 0.1.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_multi 0.1.1 [INFO] finished tweaking crates.io crate serde_multi 0.1.1 [INFO] tweaked toml for crates.io crate serde_multi 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b1091fdc7eeaec6df28411d97ce3990a67cbabd71498b4f3728bc31bccac6e5 [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" "5b1091fdc7eeaec6df28411d97ce3990a67cbabd71498b4f3728bc31bccac6e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b1091fdc7eeaec6df28411d97ce3990a67cbabd71498b4f3728bc31bccac6e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b1091fdc7eeaec6df28411d97ce3990a67cbabd71498b4f3728bc31bccac6e5", kill_on_drop: false }` [INFO] [stdout] 5b1091fdc7eeaec6df28411d97ce3990a67cbabd71498b4f3728bc31bccac6e5 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a1ba3ffcf5714b410403bec693e094ea3f5c91b83a16cec45bec8dc2af6c9bbf [INFO] running `Command { std: "docker" "start" "-a" "a1ba3ffcf5714b410403bec693e094ea3f5c91b83a16cec45bec8dc2af6c9bbf", kill_on_drop: false }` [INFO] [stderr] Checking serde_multi v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/macros.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / macro_rules! implement { [INFO] [stdout] 2 | | ($type:ty, SerdeText) => { [INFO] [stdout] 3 | | impl SerdeText for $type { [INFO] [stdout] 4 | | #[inline] [INFO] [stdout] ... | [INFO] [stdout] 119 | | }; [INFO] [stdout] 120 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/macros.rs:122:1 [INFO] [stdout] | [INFO] [stdout] 122 | / macro_rules! function { [INFO] [stdout] 123 | | (to_string_pretty, $map_error:expr, $path:path) => { [INFO] [stdout] 124 | | function!(to_string_pretty, $map_error, |value| $path(value)); [INFO] [stdout] 125 | | }; [INFO] [stdout] ... | [INFO] [stdout] 212 | | }; [INFO] [stdout] 213 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/macros.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / macro_rules! implement { [INFO] [stdout] 2 | | ($type:ty, SerdeText) => { [INFO] [stdout] 3 | | impl SerdeText for $type { [INFO] [stdout] 4 | | #[inline] [INFO] [stdout] ... | [INFO] [stdout] 119 | | }; [INFO] [stdout] 120 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/macros.rs:122:1 [INFO] [stdout] | [INFO] [stdout] 122 | / macro_rules! function { [INFO] [stdout] 123 | | (to_string_pretty, $map_error:expr, $path:path) => { [INFO] [stdout] 124 | | function!(to_string_pretty, $map_error, |value| $path(value)); [INFO] [stdout] 125 | | }; [INFO] [stdout] ... | [INFO] [stdout] 212 | | }; [INFO] [stdout] 213 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:348:44 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn to_string_pretty(format: Format, value: &T) -> Result [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:348:44 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn to_string_pretty(format: Format, value: &T) -> Result [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:362:37 [INFO] [stdout] | [INFO] [stdout] 362 | pub fn to_string(format: Format, value: &T) -> Result [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:362:37 [INFO] [stdout] | [INFO] [stdout] 362 | pub fn to_string(format: Format, value: &T) -> Result [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/multi.rs:378:40 [INFO] [stdout] | [INFO] [stdout] 378 | pub fn from_str<'d, T>(format: Format, data: &'d str) -> Result [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/multi.rs:378:40 [INFO] [stdout] | [INFO] [stdout] 378 | pub fn from_str<'d, T>(format: Format, data: &'d str) -> Result [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:394:41 [INFO] [stdout] | [INFO] [stdout] 394 | pub fn to_vec_pretty(format: Format, value: &T) -> Result, FormatError> [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:394:41 [INFO] [stdout] | [INFO] [stdout] 394 | pub fn to_vec_pretty(format: Format, value: &T) -> Result, FormatError> [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:408:34 [INFO] [stdout] | [INFO] [stdout] 408 | pub fn to_vec(format: Format, value: &T) -> Result, FormatError> [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:408:34 [INFO] [stdout] | [INFO] [stdout] 408 | pub fn to_vec(format: Format, value: &T) -> Result, FormatError> [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/multi.rs:430:42 [INFO] [stdout] | [INFO] [stdout] 430 | pub fn from_slice<'d, T>(format: Format, data: &'d [u8]) -> Result [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/multi.rs:430:42 [INFO] [stdout] | [INFO] [stdout] 430 | pub fn from_slice<'d, T>(format: Format, data: &'d [u8]) -> Result [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/multi.rs:452:47 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn to_writer_pretty(format: Format, writer: W, value: &T) -> Result<(), FormatError> [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/multi.rs:452:47 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn to_writer_pretty(format: Format, writer: W, value: &T) -> Result<(), FormatError> [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:452:58 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn to_writer_pretty(format: Format, writer: W, value: &T) -> Result<(), FormatError> [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/multi.rs:466:40 [INFO] [stdout] | [INFO] [stdout] 466 | pub fn to_writer(format: Format, writer: W, value: &T) -> Result<(), FormatError> [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:466:51 [INFO] [stdout] | [INFO] [stdout] 466 | pub fn to_writer(format: Format, writer: W, value: &T) -> Result<(), FormatError> [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/multi.rs:488:42 [INFO] [stdout] | [INFO] [stdout] 488 | pub fn from_reader(format: Format, reader: R) -> Result [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `map_err` [INFO] [stdout] --> src/formats.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn map_err(err: T) -> crate::Error { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:452:58 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn to_writer_pretty(format: Format, writer: W, value: &T) -> Result<(), FormatError> [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/multi.rs:466:40 [INFO] [stdout] | [INFO] [stdout] 466 | pub fn to_writer(format: Format, writer: W, value: &T) -> Result<(), FormatError> [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/multi.rs:466:51 [INFO] [stdout] | [INFO] [stdout] 466 | pub fn to_writer(format: Format, writer: W, value: &T) -> Result<(), FormatError> [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/multi.rs:488:42 [INFO] [stdout] | [INFO] [stdout] 488 | pub fn from_reader(format: Format, reader: R) -> Result [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `map_err` [INFO] [stdout] --> src/formats.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn map_err(err: T) -> crate::Error { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "a1ba3ffcf5714b410403bec693e094ea3f5c91b83a16cec45bec8dc2af6c9bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1ba3ffcf5714b410403bec693e094ea3f5c91b83a16cec45bec8dc2af6c9bbf", kill_on_drop: false }` [INFO] [stdout] a1ba3ffcf5714b410403bec693e094ea3f5c91b83a16cec45bec8dc2af6c9bbf