[INFO] fetching crate cov 0.0.5... [INFO] testing cov-0.0.5 against 1.60.0 for beta-1.61-1 [INFO] extracting crate cov 0.0.5 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate cov 0.0.5 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d8011c117acbc8e6448e08ef10a05e4930a3ebb0a52d7ecbda063c3a7d8ebec [INFO] running `Command { std: "docker" "start" "-a" "7d8011c117acbc8e6448e08ef10a05e4930a3ebb0a52d7ecbda063c3a7d8ebec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d8011c117acbc8e6448e08ef10a05e4930a3ebb0a52d7ecbda063c3a7d8ebec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d8011c117acbc8e6448e08ef10a05e4930a3ebb0a52d7ecbda063c3a7d8ebec", kill_on_drop: false }` [INFO] [stdout] 7d8011c117acbc8e6448e08ef10a05e4930a3ebb0a52d7ecbda063c3a7d8ebec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffe8201bfcdac6c16f749d5b8af702600d2f4a0e4f89aea83c97173298374917 [INFO] running `Command { std: "docker" "start" "-a" "ffe8201bfcdac6c16f749d5b8af702600d2f4a0e4f89aea83c97173298374917", kill_on_drop: false }` [INFO] [stderr] Compiling error-chain v0.12.4 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 - cause: Option>, [INFO] [stdout] 123 + cause: Option>, [INFO] [stdout] | [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] | ^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 142 - fn cause(&self) -> Option<&StdError> { [INFO] [stdout] 142 + fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | [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] | ^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 143 - self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stdout] 143 + self.cause.as_ref().map(|e| -> &dyn StdError { &**e }) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.72s [INFO] running `Command { std: "docker" "inspect" "ffe8201bfcdac6c16f749d5b8af702600d2f4a0e4f89aea83c97173298374917", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffe8201bfcdac6c16f749d5b8af702600d2f4a0e4f89aea83c97173298374917", kill_on_drop: false }` [INFO] [stdout] ffe8201bfcdac6c16f749d5b8af702600d2f4a0e4f89aea83c97173298374917 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f38d72add12a3e79739c2c6cd2b7c730a945d8c3ebe5596b9118a1672f5ba4d [INFO] running `Command { std: "docker" "start" "-a" "3f38d72add12a3e79739c2c6cd2b7c730a945d8c3ebe5596b9118a1672f5ba4d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.123 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 - cause: Option>, [INFO] [stdout] 123 + cause: Option>, [INFO] [stdout] | [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] | ^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 142 - fn cause(&self) -> Option<&StdError> { [INFO] [stdout] 142 + fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | [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] | ^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 143 - self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stdout] 143 + self.cause.as_ref().map(|e| -> &dyn StdError { &**e }) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.34.0 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 - cause: Option>, [INFO] [stdout] 123 + cause: Option>, [INFO] [stdout] | [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] | ^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 142 - fn cause(&self) -> Option<&StdError> { [INFO] [stdout] 142 + fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | [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] | ^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 143 - self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stdout] 143 + self.cause.as_ref().map(|e| -> &dyn StdError { &**e }) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/reader.rs:77:45 [INFO] [stdout] | [INFO] [stdout] 77 | consume_to_end(&mut reader.by_ref().take(6))?; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `std::io::Read::take(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.13s [INFO] running `Command { std: "docker" "inspect" "3f38d72add12a3e79739c2c6cd2b7c730a945d8c3ebe5596b9118a1672f5ba4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f38d72add12a3e79739c2c6cd2b7c730a945d8c3ebe5596b9118a1672f5ba4d", kill_on_drop: false }` [INFO] [stdout] 3f38d72add12a3e79739c2c6cd2b7c730a945d8c3ebe5596b9118a1672f5ba4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 72a7cb82d25c20f95166f558492a8ab8448d6944ba47f1d2d26f34415c5c4b7a [INFO] running `Command { std: "docker" "start" "-a" "72a7cb82d25c20f95166f558492a8ab8448d6944ba47f1d2d26f34415c5c4b7a", 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 123 - cause: Option>, [INFO] [stderr] 123 + cause: Option>, [INFO] [stderr] | [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] | ^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 142 - fn cause(&self) -> Option<&StdError> { [INFO] [stderr] 142 + fn cause(&self) -> Option<&dyn StdError> { [INFO] [stderr] | [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] | ^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 143 - self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stderr] 143 + self.cause.as_ref().map(|e| -> &dyn StdError { &**e }) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/reader.rs:77:45 [INFO] [stderr] | [INFO] [stderr] 77 | consume_to_end(&mut reader.by_ref().take(6))?; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `std::io::Read::take(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: `cov` (lib) generated 3 warnings [INFO] [stderr] warning: `cov` (lib test) generated 4 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cov-ff117b09dbf875ba) [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-9e343f3b4d555fc7) [INFO] [stdout] test test-data/branches.gcc7 ... ok [INFO] [stdout] test test-data/loops.clang ... ok [INFO] [stdout] test test-data/trivial.clang ... ok [INFO] [stdout] test test-data/loops.gcc7 ... ok [INFO] [stdout] test test-data/branches.rustc ... ok [INFO] [stdout] test test-data/trivial.rustc ... ok [INFO] [stdout] test test-data/branches.clang ... ok [INFO] [stdout] test test-data/trivial.gcc7 ... 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 7) ... 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/deserializer.rs - deserializer::with_interner (line 36) ... ok [INFO] [stdout] test src/intern.rs - intern (line 28) ... 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 1.21s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "72a7cb82d25c20f95166f558492a8ab8448d6944ba47f1d2d26f34415c5c4b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72a7cb82d25c20f95166f558492a8ab8448d6944ba47f1d2d26f34415c5c4b7a", kill_on_drop: false }` [INFO] [stdout] 72a7cb82d25c20f95166f558492a8ab8448d6944ba47f1d2d26f34415c5c4b7a