[INFO] fetching crate lcov-parser 3.2.2...
[INFO] checking lcov-parser-3.2.2 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate lcov-parser 3.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lcov-parser 3.2.2 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lcov-parser 3.2.2
[INFO] finished tweaking crates.io crate lcov-parser 3.2.2
[INFO] tweaked toml for crates.io crate lcov-parser 3.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31591bbbc7333e0e7abe05b730fbb0fdcd92b449df8c26c33b9f5d1050d76a67
[INFO] running `Command { std: "docker" "start" "-a" "31591bbbc7333e0e7abe05b730fbb0fdcd92b449df8c26c33b9f5d1050d76a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31591bbbc7333e0e7abe05b730fbb0fdcd92b449df8c26c33b9f5d1050d76a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31591bbbc7333e0e7abe05b730fbb0fdcd92b449df8c26c33b9f5d1050d76a67", kill_on_drop: false }`
[INFO] [stdout] 31591bbbc7333e0e7abe05b730fbb0fdcd92b449df8c26c33b9f5d1050d76a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a413c683b815fd5e74ce5465095281529140e026adc5191dadaf352b84da5b29
[INFO] running `Command { std: "docker" "start" "-a" "a413c683b815fd5e74ce5465095281529140e026adc5191dadaf352b84da5b29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking lcov-parser v3.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/merger/ops/mod.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn merge(&mut self, Rhs);
[INFO] [stdout]    |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: Rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/merger/ops/mod.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn try_merge(&mut self, Rhs) -> MergeResult<Self::Err>;
[INFO] [stdout]    |                             ^^^ help: try naming the parameter or explicitly ignoring it: `_: Rhs`
[INFO] [stdout]    |
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:76:50
[INFO] [stdout]    |
[INFO] [stdout] 76 |             &ParseError::IOError(ref err) => err.description(),
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:77:59
[INFO] [stdout]    |
[INFO] [stdout] 77 |             &ParseError::RecordParseError(ref err) => err.description(),
[INFO] [stdout]    |                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/merger/ops/mod.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn merge(&mut self, Rhs);
[INFO] [stdout]    |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: Rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/merger/ops/mod.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn try_merge(&mut self, Rhs) -> MergeResult<Self::Err>;
[INFO] [stdout]    |                             ^^^ help: try naming the parameter or explicitly ignoring it: `_: Rhs`
[INFO] [stdout]    |
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/marge_files.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(err) => panic!(err)
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(err) => panic!("{}", err)
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(err) => std::panic::panic_any(err)
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:76:50
[INFO] [stdout]    |
[INFO] [stdout] 76 |             &ParseError::IOError(ref err) => err.description(),
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:77:59
[INFO] [stdout]    |
[INFO] [stdout] 77 |             &ParseError::RecordParseError(ref err) => err.description(),
[INFO] [stdout]    |                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "a413c683b815fd5e74ce5465095281529140e026adc5191dadaf352b84da5b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a413c683b815fd5e74ce5465095281529140e026adc5191dadaf352b84da5b29", kill_on_drop: false }`
[INFO] [stdout] a413c683b815fd5e74ce5465095281529140e026adc5191dadaf352b84da5b29