[INFO] fetching crate earl-lang-syntax 1.0.0...
[INFO] checking earl-lang-syntax-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate earl-lang-syntax 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate earl-lang-syntax 1.0.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate earl-lang-syntax 1.0.0
[INFO] finished tweaking crates.io crate earl-lang-syntax 1.0.0
[INFO] tweaked toml for crates.io crate earl-lang-syntax 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e30fbb5b6514a9b8ca7cd91d3e5ab1f1c4921093f13c61aa8223319e8a243e98
[INFO] running `Command { std: "docker" "start" "-a" "e30fbb5b6514a9b8ca7cd91d3e5ab1f1c4921093f13c61aa8223319e8a243e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e30fbb5b6514a9b8ca7cd91d3e5ab1f1c4921093f13c61aa8223319e8a243e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30fbb5b6514a9b8ca7cd91d3e5ab1f1c4921093f13c61aa8223319e8a243e98", kill_on_drop: false }`
[INFO] [stdout] e30fbb5b6514a9b8ca7cd91d3e5ab1f1c4921093f13c61aa8223319e8a243e98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14f37f24fb720251bcec4c90c24936ca47f0ff9c9a9655a5f572e60076816fa8
[INFO] running `Command { std: "docker" "start" "-a" "14f37f24fb720251bcec4c90c24936ca47f0ff9c9a9655a5f572e60076816fa8", kill_on_drop: false }`
[INFO] [stderr]     Checking earl-lang-syntax v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1297:68
[INFO] [stdout]      |
[INFO] [stdout] 1297 |                 SyntaxError::ParsingError(parsing_error) => panic!(parsing_error.error_message),
[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]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1297 |                 SyntaxError::ParsingError(parsing_error) => panic!("{}", parsing_error.error_message),
[INFO] [stdout]      |                                                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1298:71
[INFO] [stdout]      |
[INFO] [stdout] 1298 |                 SyntaxError::AssumptionError(error_message) => panic!(error_message),
[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] 1298 |                 SyntaxError::AssumptionError(error_message) => panic!("{}", error_message),
[INFO] [stdout]      |                                                                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1971:68
[INFO] [stdout]      |
[INFO] [stdout] 1971 |                 SyntaxError::ParsingError(parsing_error) => panic!(parsing_error.error_message),
[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] 1971 |                 SyntaxError::ParsingError(parsing_error) => panic!("{}", parsing_error.error_message),
[INFO] [stdout]      |                                                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1972:71
[INFO] [stdout]      |
[INFO] [stdout] 1972 |                 SyntaxError::AssumptionError(error_message) => panic!(error_message),
[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] 1972 |                 SyntaxError::AssumptionError(error_message) => panic!("{}", error_message),
[INFO] [stdout]      |                                                                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "14f37f24fb720251bcec4c90c24936ca47f0ff9c9a9655a5f572e60076816fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f37f24fb720251bcec4c90c24936ca47f0ff9c9a9655a5f572e60076816fa8", kill_on_drop: false }`
[INFO] [stdout] 14f37f24fb720251bcec4c90c24936ca47f0ff9c9a9655a5f572e60076816fa8