[INFO] fetching crate enalang 0.5.2...
[INFO] checking enalang-0.5.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate enalang 0.5.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate enalang 0.5.2 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 enalang 0.5.2
[INFO] finished tweaking crates.io crate enalang 0.5.2
[INFO] tweaked toml for crates.io crate enalang 0.5.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate enalang 0.5.2 already has a lockfile, it will not be regenerated
[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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enalang_vm v0.5.2
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded enalang_docgen v0.5.2
[INFO] [stderr]   Downloaded enalang_optimizer v0.5.2
[INFO] [stderr]   Downloaded radix_fmt v1.0.0
[INFO] [stderr]   Downloaded is-terminal v0.4.3
[INFO] [stderr]   Downloaded pipeline v0.5.0
[INFO] [stderr]   Downloaded enalang_checker v0.5.2
[INFO] [stderr]   Downloaded ordered-float v3.4.0
[INFO] [stderr]   Downloaded flexstr v0.9.2
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded os_str_bytes v6.4.1
[INFO] [stderr]   Downloaded clap_derive v4.1.0
[INFO] [stderr]   Downloaded clap_lex v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.152
[INFO] [stderr]   Downloaded hermit-abi v0.3.0
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded markdown v0.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.93
[INFO] [stderr]   Downloaded clap v4.1.4
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded rustix v0.36.8
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded enalang_compiler v0.5.2
[INFO] [stderr]   Downloaded enalang_repl v0.5.2
[INFO] [stderr]   Downloaded enalang_ir v0.5.2
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 62f801062128f22e9404efe579af536113957bf6422901614df4362cf493be2a
[INFO] running `Command { std: "docker" "start" "-a" "62f801062128f22e9404efe579af536113957bf6422901614df4362cf493be2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62f801062128f22e9404efe579af536113957bf6422901614df4362cf493be2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f801062128f22e9404efe579af536113957bf6422901614df4362cf493be2a", kill_on_drop: false }`
[INFO] [stdout] 62f801062128f22e9404efe579af536113957bf6422901614df4362cf493be2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b5f9bf6f016805146ed6a0a0ac0d0ca6c73350349d80d28d2c49746dba461bbd
[INFO] running `Command { std: "docker" "start" "-a" "b5f9bf6f016805146ed6a0a0ac0d0ca6c73350349d80d28d2c49746dba461bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking radix_fmt v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ordered-float v3.4.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]     Checking clap v4.1.4
[INFO] [stderr]     Checking flexstr v0.9.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking enalang_ir v0.5.2
[INFO] [stderr]     Checking enalang_vm v0.5.2
[INFO] [stderr]     Checking enalang_compiler v0.5.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking enalang_docgen v0.5.2
[INFO] [stderr]     Checking enalang_checker v0.5.2
[INFO] [stderr]     Checking enalang_repl v0.5.2
[INFO] [stderr]     Checking enalang_optimizer v0.5.2
[INFO] [stderr]     Checking enalang v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.96s
[INFO] running `Command { std: "docker" "inspect" "b5f9bf6f016805146ed6a0a0ac0d0ca6c73350349d80d28d2c49746dba461bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f9bf6f016805146ed6a0a0ac0d0ca6c73350349d80d28d2c49746dba461bbd", kill_on_drop: false }`
[INFO] [stdout] b5f9bf6f016805146ed6a0a0ac0d0ca6c73350349d80d28d2c49746dba461bbd
[INFO] checking enalang-0.5.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate enalang 0.5.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate enalang 0.5.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enalang 0.5.2
[INFO] finished tweaking crates.io crate enalang 0.5.2
[INFO] tweaked toml for crates.io crate enalang 0.5.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate enalang 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bf715f017b675467f44c9b755c02676ad28a5cfabb0c6e794174b14759cfe86
[INFO] running `Command { std: "docker" "start" "-a" "8bf715f017b675467f44c9b755c02676ad28a5cfabb0c6e794174b14759cfe86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf715f017b675467f44c9b755c02676ad28a5cfabb0c6e794174b14759cfe86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf715f017b675467f44c9b755c02676ad28a5cfabb0c6e794174b14759cfe86", kill_on_drop: false }`
[INFO] [stdout] 8bf715f017b675467f44c9b755c02676ad28a5cfabb0c6e794174b14759cfe86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a662d17eab749cc70992378365b8c41daca696e1665a394acdd8db40ac3bdd0
[INFO] running `Command { std: "docker" "start" "-a" "6a662d17eab749cc70992378365b8c41daca696e1665a394acdd8db40ac3bdd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking radix_fmt v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ordered-float v3.4.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]     Checking clap v4.1.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking flexstr v0.9.2
[INFO] [stderr]     Checking enalang_ir v0.5.2
[INFO] [stderr]     Checking enalang_vm v0.5.2
[INFO] [stderr]     Checking enalang_compiler v0.5.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking enalang_repl v0.5.2
[INFO] [stderr]     Checking enalang_optimizer v0.5.2
[INFO] [stderr]     Checking enalang_checker v0.5.2
[INFO] [stderr]     Checking enalang_docgen v0.5.2
[INFO] [stderr]     Checking enalang v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.13s
[INFO] running `Command { std: "docker" "inspect" "6a662d17eab749cc70992378365b8c41daca696e1665a394acdd8db40ac3bdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a662d17eab749cc70992378365b8c41daca696e1665a394acdd8db40ac3bdd0", kill_on_drop: false }`
[INFO] [stdout] 6a662d17eab749cc70992378365b8c41daca696e1665a394acdd8db40ac3bdd0