[INFO] fetching crate warn 0.2.2...
[INFO] testing warn-0.2.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate warn 0.2.2 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate warn 0.2.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warn 0.2.2
[INFO] finished tweaking crates.io crate warn 0.2.2
[INFO] tweaked toml for crates.io crate warn 0.2.2 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 659cf2272dc1a0849a778c1258c27c65f0c70f912ed7737827e406feefc3de57
[INFO] running `Command { std: "docker" "start" "-a" "659cf2272dc1a0849a778c1258c27c65f0c70f912ed7737827e406feefc3de57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "659cf2272dc1a0849a778c1258c27c65f0c70f912ed7737827e406feefc3de57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659cf2272dc1a0849a778c1258c27c65f0c70f912ed7737827e406feefc3de57", kill_on_drop: false }`
[INFO] [stdout] 659cf2272dc1a0849a778c1258c27c65f0c70f912ed7737827e406feefc3de57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c544c47db80fdfa44971ee76adfe535c66f94b43981c691984b6c55c23f98c50
[INFO] running `Command { std: "docker" "start" "-a" "c544c47db80fdfa44971ee76adfe535c66f94b43981c691984b6c55c23f98c50", kill_on_drop: false }`
[INFO] [stderr]    Compiling warn v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "c544c47db80fdfa44971ee76adfe535c66f94b43981c691984b6c55c23f98c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c544c47db80fdfa44971ee76adfe535c66f94b43981c691984b6c55c23f98c50", kill_on_drop: false }`
[INFO] [stdout] c544c47db80fdfa44971ee76adfe535c66f94b43981c691984b6c55c23f98c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42b5b904e6d7268ffca236684731fa5796c811cc8077d120f981f00ffb10fe26
[INFO] running `Command { std: "docker" "start" "-a" "42b5b904e6d7268ffca236684731fa5796c811cc8077d120f981f00ffb10fe26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling warn v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:146:40
[INFO] [stdout]     |
[INFO] [stdout] 146 |         super::closure(&mut |_| panic!(WARNING2)).warn(WARNING);
[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] 146 |         super::closure(&mut |_| panic!("{}", WARNING2)).warn(WARNING);
[INFO] [stdout]     |                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:151:41
[INFO] [stdout]     |
[INFO] [stdout] 151 |         super::closure(&mut |()| panic!(WARNING2));
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout]     |
[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] 151 |         super::closure(&mut |()| panic!("{}", WARNING2));
[INFO] [stdout]     |                                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "42b5b904e6d7268ffca236684731fa5796c811cc8077d120f981f00ffb10fe26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b5b904e6d7268ffca236684731fa5796c811cc8077d120f981f00ffb10fe26", kill_on_drop: false }`
[INFO] [stdout] 42b5b904e6d7268ffca236684731fa5796c811cc8077d120f981f00ffb10fe26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ee5ab22f7e1c00735756247716b800cd20f207761a8919463e1392894fe566f
[INFO] running `Command { std: "docker" "start" "-a" "8ee5ab22f7e1c00735756247716b800cd20f207761a8919463e1392894fe566f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:146:40
[INFO] [stderr]     |
[INFO] [stderr] 146 |         super::closure(&mut |_| panic!(WARNING2)).warn(WARNING);
[INFO] [stderr]     |                                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 146 |         super::closure(&mut |_| panic!("{}", WARNING2)).warn(WARNING);
[INFO] [stderr]     |                                        +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:151:41
[INFO] [stderr]     |
[INFO] [stderr] 151 |         super::closure(&mut |()| panic!(WARNING2));
[INFO] [stderr]     |                                         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 151 |         super::closure(&mut |()| panic!("{}", WARNING2));
[INFO] [stderr]     |                                         +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `warn` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/warn-2bd66de5e637e769)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::closure_nopanic ... ok
[INFO] [stdout] test test::ignore ... ok
[INFO] [stdout] test test::log ... ok
[INFO] [stdout] test test::vec ... ok
[INFO] [stdout] test test::closure_panic - should panic ... ok
[INFO] [stdout] test test::panic - should panic ... ok
[INFO] [stdout] test test::rev_map - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests warn
[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" "8ee5ab22f7e1c00735756247716b800cd20f207761a8919463e1392894fe566f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee5ab22f7e1c00735756247716b800cd20f207761a8919463e1392894fe566f", kill_on_drop: false }`
[INFO] [stdout] 8ee5ab22f7e1c00735756247716b800cd20f207761a8919463e1392894fe566f