[INFO] fetching crate struct_layout 0.1.0... [INFO] testing struct_layout-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate struct_layout 0.1.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate struct_layout 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate struct_layout 0.1.0 [INFO] finished tweaking crates.io crate struct_layout 0.1.0 [INFO] tweaked toml for crates.io crate struct_layout 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 095b4b078e99cd8f72007593a01c9432b77cb13ffad78c9b64e4594a2c5ea5f8 [INFO] running `Command { std: "docker" "start" "-a" "095b4b078e99cd8f72007593a01c9432b77cb13ffad78c9b64e4594a2c5ea5f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "095b4b078e99cd8f72007593a01c9432b77cb13ffad78c9b64e4594a2c5ea5f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "095b4b078e99cd8f72007593a01c9432b77cb13ffad78c9b64e4594a2c5ea5f8", kill_on_drop: false }` [INFO] [stdout] 095b4b078e99cd8f72007593a01c9432b77cb13ffad78c9b64e4594a2c5ea5f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a044e82c5603b97196c7a6a52b33e78e0dbefc4a43fa5efe410a463cac0b242 [INFO] running `Command { std: "docker" "start" "-a" "4a044e82c5603b97196c7a6a52b33e78e0dbefc4a43fa5efe410a463cac0b242", kill_on_drop: false }` [INFO] [stderr] Compiling struct_layout v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `punct` [INFO] [stdout] --> src/lib.rs:86:2 [INFO] [stdout] | [INFO] [stdout] 86 | punct: Punct, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/lib.rs:514:84 [INFO] [stdout] | [INFO] [stdout] 514 | None => panic!("parse struct: tuple syntax not supported, struct layout requires {{}} to declare the fields"), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 514 | None => panic!("{}", "parse struct: tuple syntax not supported, struct layout requires {{}} to declare the fields"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.40s [INFO] running `Command { std: "docker" "inspect" "4a044e82c5603b97196c7a6a52b33e78e0dbefc4a43fa5efe410a463cac0b242", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a044e82c5603b97196c7a6a52b33e78e0dbefc4a43fa5efe410a463cac0b242", kill_on_drop: false }` [INFO] [stdout] 4a044e82c5603b97196c7a6a52b33e78e0dbefc4a43fa5efe410a463cac0b242 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f41795a78ff6493fea3daab5e5e2b699623f3266e62e886b117682647e51ca46 [INFO] running `Command { std: "docker" "start" "-a" "f41795a78ff6493fea3daab5e5e2b699623f3266e62e886b117682647e51ca46", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `punct` [INFO] [stdout] --> src/lib.rs:86:2 [INFO] [stdout] | [INFO] [stdout] 86 | punct: Punct, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling struct_layout v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/lib.rs:514:84 [INFO] [stdout] | [INFO] [stdout] 514 | None => panic!("parse struct: tuple syntax not supported, struct layout requires {{}} to declare the fields"), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 514 | None => panic!("{}", "parse struct: tuple syntax not supported, struct layout requires {{}} to declare the fields"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `punct` [INFO] [stdout] --> src/lib.rs:86:2 [INFO] [stdout] | [INFO] [stdout] 86 | punct: Punct, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/lib.rs:514:84 [INFO] [stdout] | [INFO] [stdout] 514 | None => panic!("parse struct: tuple syntax not supported, struct layout requires {{}} to declare the fields"), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 514 | None => panic!("{}", "parse struct: tuple syntax not supported, struct layout requires {{}} to declare the fields"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "f41795a78ff6493fea3daab5e5e2b699623f3266e62e886b117682647e51ca46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f41795a78ff6493fea3daab5e5e2b699623f3266e62e886b117682647e51ca46", kill_on_drop: false }` [INFO] [stdout] f41795a78ff6493fea3daab5e5e2b699623f3266e62e886b117682647e51ca46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9b417f3e86eed07b264be1da85a927297ce2c61f79ea9b546996ce444ed36b8d [INFO] running `Command { std: "docker" "start" "-a" "9b417f3e86eed07b264be1da85a927297ce2c61f79ea9b546996ce444ed36b8d", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `punct` [INFO] [stderr] --> src/lib.rs:86:2 [INFO] [stderr] | [INFO] [stderr] 86 | punct: Punct, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: panic message contains braces [INFO] [stderr] --> src/lib.rs:514:84 [INFO] [stderr] | [INFO] [stderr] 514 | None => panic!("parse struct: tuple syntax not supported, struct layout requires {{}} to declare the fields"), [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stderr] help: add a "{}" format string to use the message literally [INFO] [stderr] | [INFO] [stderr] 514 | None => panic!("{}", "parse struct: tuple syntax not supported, struct layout requires {{}} to declare the fields"), [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `struct_layout` (lib) generated 2 warnings [INFO] [stderr] warning: `struct_layout` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/struct_layout-14e823bb6bfd8ce4) [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] [stderr] Doc-tests struct_layout [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/lib.rs - compile_fail (line 801) - compile fail ... ok [INFO] [stdout] test src/lib.rs - compile_fail (line 815) - compile fail ... ok [INFO] [stdout] test src/lib.rs - compile_fail (line 808) - compile fail ... ok [INFO] [stdout] test src/lib.rs - compile_fail (line 862) - compile fail ... ok [INFO] [stdout] test src/lib.rs - compile_fail (line 856) - compile fail ... ok [INFO] [stdout] test src/lib.rs - compile_fail (line 834) - compile fail ... ok [INFO] [stdout] test src/lib.rs - compile_fail (line 824) - compile fail ... ok [INFO] [stdout] test src/lib.rs - compile_fail (line 844) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 49) ... ok [INFO] [stdout] test src/lib.rs - (line 64) ... ok [INFO] [stdout] test src/lib.rs - (line 30) ... ok [INFO] [stdout] test src/lib.rs - (line 8) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9b417f3e86eed07b264be1da85a927297ce2c61f79ea9b546996ce444ed36b8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b417f3e86eed07b264be1da85a927297ce2c61f79ea9b546996ce444ed36b8d", kill_on_drop: false }` [INFO] [stdout] 9b417f3e86eed07b264be1da85a927297ce2c61f79ea9b546996ce444ed36b8d