[INFO] fetching crate criterion 0.3.5...
[INFO] checking criterion-0.3.5 against master#a09c668c965f735f4cd59e7158662b9daa0b71ba for pr-98370
[INFO] extracting crate criterion 0.3.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate criterion 0.3.5 on toolchain a09c668c965f735f4cd59e7158662b9daa0b71ba
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate criterion 0.3.5
[INFO] finished tweaking crates.io crate criterion 0.3.5
[INFO] tweaked toml for crates.io crate criterion 0.3.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros_private.rs:19:36
[INFO] [stdout]     |
[INFO] [stdout] 19  |         try_else_return!($x, || {});
[INFO] [stdout]     |                                    ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/html/mod.rs:533:29
[INFO] [stdout]     |
[INFO] [stdout] 533 |         let mut found_ids = try_else_return!(fs::list_existing_benchmarks(&output_directory));
[INFO] [stdout]     |                             ----------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `try_else_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros_private.rs:36:63
[INFO] [stdout]     |
[INFO] [stdout] 36  |         println!("Criterion.rs ERROR: {}", &format!($($arg)*));
[INFO] [stdout]     |                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/plot/gnuplot_backend/mod.rs:243:28
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 Ok(out) => error!("Error in Gnuplot: {}", String::from_utf8_lossy(&out.stderr)),
[INFO] [stdout]     |                            -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros_private.rs:36:63
[INFO] [stdout]     |
[INFO] [stdout] 36  |         println!("Criterion.rs ERROR: {}", &format!($($arg)*));
[INFO] [stdout]     |                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/plot/gnuplot_backend/mod.rs:244:27
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 Err(e) => error!("Got IO error while waiting for Gnuplot to complete: {}", e),
[INFO] [stdout]     |                           ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros_private.rs:19:36
[INFO] [stdout]     |
[INFO] [stdout] 19  |         try_else_return!($x, || {});
[INFO] [stdout]     |                                    ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/html/mod.rs:533:29
[INFO] [stdout]     |
[INFO] [stdout] 533 |         let mut found_ids = try_else_return!(fs::list_existing_benchmarks(&output_directory));
[INFO] [stdout]     |                             ----------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `try_else_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros_private.rs:36:63
[INFO] [stdout]     |
[INFO] [stdout] 36  |         println!("Criterion.rs ERROR: {}", &format!($($arg)*));
[INFO] [stdout]     |                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/plot/gnuplot_backend/mod.rs:243:28
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 Ok(out) => error!("Error in Gnuplot: {}", String::from_utf8_lossy(&out.stderr)),
[INFO] [stdout]     |                            -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros_private.rs:36:63
[INFO] [stdout]     |
[INFO] [stdout] 36  |         println!("Criterion.rs ERROR: {}", &format!($($arg)*));
[INFO] [stdout]     |                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/plot/gnuplot_backend/mod.rs:244:27
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 Err(e) => error!("Got IO error while waiting for Gnuplot to complete: {}", e),
[INFO] [stdout]     |                           ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `runner_version`
[INFO] [stdout]   --> src/connection.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     runner_version: [u8; 3],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `InnerConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `runner_version`
[INFO] [stdout]   --> src/connection.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     runner_version: [u8; 3],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `InnerConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.14s
[INFO] running `Command { std: "docker" "inspect" "a2f52b2fe3377fcbe41506f9e1bbf1da550a1f7eb9bbeffd613a72d0d9a6f2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f52b2fe3377fcbe41506f9e1bbf1da550a1f7eb9bbeffd613a72d0d9a6f2d7", kill_on_drop: false }`
[INFO] [stdout] a2f52b2fe3377fcbe41506f9e1bbf1da550a1f7eb9bbeffd613a72d0d9a6f2d7