[INFO] fetching crate cov 0.0.5... [INFO] testing cov-0.0.5 against 1.55.0 for beta-1.56-1 [INFO] extracting crate cov 0.0.5 into /workspace/builds/worker-68/source [INFO] validating manifest of crates.io crate cov 0.0.5 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 cov 0.0.5 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate cov 0.0.5 [INFO] tweaked toml for crates.io crate cov 0.0.5 written to /workspace/builds/worker-68/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 83b9bceefc8adb5d7e285f6017f7b1c3e8bb731172e48d9ace92705032631047 [INFO] running `Command { std: "docker" "start" "-a" "83b9bceefc8adb5d7e285f6017f7b1c3e8bb731172e48d9ace92705032631047", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83b9bceefc8adb5d7e285f6017f7b1c3e8bb731172e48d9ace92705032631047", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83b9bceefc8adb5d7e285f6017f7b1c3e8bb731172e48d9ace92705032631047", kill_on_drop: false }` [INFO] [stdout] 83b9bceefc8adb5d7e285f6017f7b1c3e8bb731172e48d9ace92705032631047 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 47861638b3455d7a7067939e8b7c79e6d4b5a39e8bb09236c9276dcc57155704 [INFO] running `Command { std: "docker" "start" "-a" "47861638b3455d7a7067939e8b7c79e6d4b5a39e8bb09236c9276dcc57155704", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling shawshank v0.2.3 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling cov v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | cause: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + 'static` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:142:32 [INFO] [stdout] | [INFO] [stdout] 142 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:143:41 [INFO] [stdout] | [INFO] [stdout] 143 | self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.52s [INFO] running `Command { std: "docker" "inspect" "47861638b3455d7a7067939e8b7c79e6d4b5a39e8bb09236c9276dcc57155704", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47861638b3455d7a7067939e8b7c79e6d4b5a39e8bb09236c9276dcc57155704", kill_on_drop: false }` [INFO] [stdout] 47861638b3455d7a7067939e8b7c79e6d4b5a39e8bb09236c9276dcc57155704 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 78933d7f532c091a663678fff651ca72a0234ad4e101d9ec72853e4cd7591058 [INFO] running `Command { std: "docker" "start" "-a" "78933d7f532c091a663678fff651ca72a0234ad4e101d9ec72853e4cd7591058", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | cause: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + 'static` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:142:32 [INFO] [stdout] | [INFO] [stdout] 142 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:143:41 [INFO] [stdout] | [INFO] [stdout] 143 | self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling cov v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | cause: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + 'static` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:142:32 [INFO] [stdout] | [INFO] [stdout] 142 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:143:41 [INFO] [stdout] | [INFO] [stdout] 143 | self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 17.92s [INFO] running `Command { std: "docker" "inspect" "78933d7f532c091a663678fff651ca72a0234ad4e101d9ec72853e4cd7591058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78933d7f532c091a663678fff651ca72a0234ad4e101d9ec72853e4cd7591058", kill_on_drop: false }` [INFO] [stdout] 78933d7f532c091a663678fff651ca72a0234ad4e101d9ec72853e4cd7591058 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] b84537d7a34baedae29518ac7c449f296aeb3d2b5f4759f7fa1a20c70760fe4d [INFO] running `Command { std: "docker" "start" "-a" "b84537d7a34baedae29518ac7c449f296aeb3d2b5f4759f7fa1a20c70760fe4d", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:123:23 [INFO] [stderr] | [INFO] [stderr] 123 | cause: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + 'static` [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:142:32 [INFO] [stderr] | [INFO] [stderr] 142 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:143:41 [INFO] [stderr] | [INFO] [stderr] 143 | self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `cov` (lib) generated 3 warnings [INFO] [stderr] warning: `cov` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cov-c1d59055c294d280) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test reader::test_consume_to_end ... ok [INFO] [stdout] test deserializer::test_deserialize_symbol ... 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] [stderr] Running tests/gcov.rs (/opt/rustwide/target/debug/deps/gcov-d8240641a27c1327) [INFO] [stdout] test test-data/trivial.gcc7 ... ok [INFO] [stdout] test test-data/branches.clang ... ok [INFO] [stdout] test test-data/loops.clang ... ok [INFO] [stdout] test test-data/trivial.rustc ... ok [INFO] [stdout] test test-data/loops.gcc7 ... ok [INFO] [stdout] test test-data/branches.gcc7 ... ok [INFO] [stdout] test test-data/branches.rustc ... ok [INFO] [stdout] test test-data/trivial.clang ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. [INFO] [stdout] [INFO] [stderr] Doc-tests cov [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/intern.rs - intern (line 28) ... ok [INFO] [stdout] test src/intern.rs - intern (line 7) ... ok [INFO] [stdout] test src/deserializer.rs - deserializer::with_interner (line 36) ... ok [INFO] [stdout] test src/intern.rs - intern::SerializeWithInterner::serialize_with_interner (line 271) ... ok [INFO] [stdout] test src/intern.rs - intern::Interner::iter (line 170) ... ok [INFO] [stdout] test src/reader.rs - reader::Reader (line 23) ... ok [INFO] [stdout] test src/lib.rs - (line 24) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.09s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b84537d7a34baedae29518ac7c449f296aeb3d2b5f4759f7fa1a20c70760fe4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b84537d7a34baedae29518ac7c449f296aeb3d2b5f4759f7fa1a20c70760fe4d", kill_on_drop: false }` [INFO] [stdout] b84537d7a34baedae29518ac7c449f296aeb3d2b5f4759f7fa1a20c70760fe4d