[INFO] fetching crate modifier 0.1.0... [INFO] testing modifier-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate modifier 0.1.0 into /workspace/builds/worker-72/source [INFO] validating manifest of crates.io crate modifier 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate modifier 0.1.0 [INFO] finished tweaking crates.io crate modifier 0.1.0 [INFO] tweaked toml for crates.io crate modifier 0.1.0 written to /workspace/builds/worker-72/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a693b6defd6f5f8ad8f73e9a2df9c2d72cf73d53410d374e194978ce8d1332b [INFO] running `Command { std: "docker" "start" "-a" "1a693b6defd6f5f8ad8f73e9a2df9c2d72cf73d53410d374e194978ce8d1332b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a693b6defd6f5f8ad8f73e9a2df9c2d72cf73d53410d374e194978ce8d1332b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a693b6defd6f5f8ad8f73e9a2df9c2d72cf73d53410d374e194978ce8d1332b", kill_on_drop: false }` [INFO] [stdout] 1a693b6defd6f5f8ad8f73e9a2df9c2d72cf73d53410d374e194978ce8d1332b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fb48296959b671b025f2b01c9ca3ef79e0ca1f3bac3a81997f349c5d207657a [INFO] running `Command { std: "docker" "start" "-a" "6fb48296959b671b025f2b01c9ca3ef79e0ca1f3bac3a81997f349c5d207657a", kill_on_drop: false }` [INFO] [stderr] Compiling modifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | fn modify(self, &mut F); [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(missing_docs, warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` implied by `#[warn(warnings)]` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "6fb48296959b671b025f2b01c9ca3ef79e0ca1f3bac3a81997f349c5d207657a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fb48296959b671b025f2b01c9ca3ef79e0ca1f3bac3a81997f349c5d207657a", kill_on_drop: false }` [INFO] [stdout] 6fb48296959b671b025f2b01c9ca3ef79e0ca1f3bac3a81997f349c5d207657a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2bc761f918aa20ed31d24ba0298b0a19ac603e557542919191e5b26a1de7305a [INFO] running `Command { std: "docker" "start" "-a" "2bc761f918aa20ed31d24ba0298b0a19ac603e557542919191e5b26a1de7305a", kill_on_drop: false }` [INFO] [stderr] Compiling modifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | fn modify(self, &mut F); [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(missing_docs, warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` implied by `#[warn(warnings)]` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | fn modify(self, &mut F); [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(missing_docs, warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` implied by `#[warn(warnings)]` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "2bc761f918aa20ed31d24ba0298b0a19ac603e557542919191e5b26a1de7305a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bc761f918aa20ed31d24ba0298b0a19ac603e557542919191e5b26a1de7305a", kill_on_drop: false }` [INFO] [stdout] 2bc761f918aa20ed31d24ba0298b0a19ac603e557542919191e5b26a1de7305a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4fd1c709b6a00db18711f73f168b528e51f960e7bcb064dd3d36177069b3e1f0 [INFO] running `Command { std: "docker" "start" "-a" "4fd1c709b6a00db18711f73f168b528e51f960e7bcb064dd3d36177069b3e1f0", kill_on_drop: false }` [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:12:21 [INFO] [stderr] | [INFO] [stderr] 12 | fn modify(self, &mut F); [INFO] [stderr] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F` [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(missing_docs, warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` implied by `#[warn(warnings)]` [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: `modifier` (lib) generated 1 warning [INFO] [stderr] warning: `modifier` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/modifier-b18e348c7e310bcd) [INFO] [stderr] Doc-tests modifier [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test::test_set_and_set_mut ... ok [INFO] [stdout] test test::test_tuple_chains ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 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" "4fd1c709b6a00db18711f73f168b528e51f960e7bcb064dd3d36177069b3e1f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fd1c709b6a00db18711f73f168b528e51f960e7bcb064dd3d36177069b3e1f0", kill_on_drop: false }` [INFO] [stdout] 4fd1c709b6a00db18711f73f168b528e51f960e7bcb064dd3d36177069b3e1f0