[INFO] fetching crate bsharp 0.2.3...
[INFO] checking bsharp-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate bsharp 0.2.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bsharp 0.2.3 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 bsharp 0.2.3
[INFO] finished tweaking crates.io crate bsharp 0.2.3
[INFO] tweaked toml for crates.io crate bsharp 0.2.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate bsharp 0.2.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.3.23
[INFO] [stderr]   Downloaded is-terminal v0.4.9
[INFO] [stderr]   Downloaded anstream v0.3.2
[INFO] [stderr]   Downloaded bsharp_interp v0.2.3
[INFO] [stderr]   Downloaded anstyle v1.0.1
[INFO] [stderr]   Downloaded clap_lex v0.5.0
[INFO] [stderr]   Downloaded bsharp_parser v0.2.3
[INFO] [stderr]   Downloaded anstyle-query v1.0.0
[INFO] [stderr]   Downloaded bsharp_fset v0.2.3
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.2
[INFO] [stderr]   Downloaded clap_derive v4.3.12
[INFO] [stderr]   Downloaded bsharp_tokens v0.2.3
[INFO] [stderr]   Downloaded anstyle-parse v0.2.1
[INFO] [stderr]   Downloaded clap_builder v4.3.23
[INFO] [stderr]   Downloaded syn v2.0.29
[INFO] [stderr]   Downloaded rustix v0.38.8
[INFO] [stderr]   Downloaded bitflags v2.4.0
[INFO] [stderr]   Downloaded cc v1.0.83
[INFO] [stderr]   Downloaded bsharp_ir v0.2.3
[INFO] [stderr]   Downloaded bsharp_bstar v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9a7da16a8d6a732b02ebf08ff01913814e0f2ee7272da74d296027d277d954a8
[INFO] running `Command { std: "docker" "start" "-a" "9a7da16a8d6a732b02ebf08ff01913814e0f2ee7272da74d296027d277d954a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a7da16a8d6a732b02ebf08ff01913814e0f2ee7272da74d296027d277d954a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7da16a8d6a732b02ebf08ff01913814e0f2ee7272da74d296027d277d954a8", kill_on_drop: false }`
[INFO] [stdout] 9a7da16a8d6a732b02ebf08ff01913814e0f2ee7272da74d296027d277d954a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2a335b1afe75b4f46ab312834a65887e2fc9072e30fdb160418336ffa001a251
[INFO] running `Command { std: "docker" "start" "-a" "2a335b1afe75b4f46ab312834a65887e2fc9072e30fdb160418336ffa001a251", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking bsharp_tokens v0.2.3
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking bsharp_parser v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.23
[INFO] [stderr]     Checking include_dir v0.7.3
[INFO] [stderr]     Checking bsharp_fset v0.2.3
[INFO] [stderr]     Checking bsharp_ir v0.2.3
[INFO] [stderr]     Checking bsharp_interp v0.2.3
[INFO] [stderr]     Checking bsharp_bstar v0.2.3
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking clap v4.3.23
[INFO] [stderr]     Checking bsharp v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "2a335b1afe75b4f46ab312834a65887e2fc9072e30fdb160418336ffa001a251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a335b1afe75b4f46ab312834a65887e2fc9072e30fdb160418336ffa001a251", kill_on_drop: false }`
[INFO] [stdout] 2a335b1afe75b4f46ab312834a65887e2fc9072e30fdb160418336ffa001a251
[INFO] checking bsharp-0.2.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate bsharp 0.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate bsharp 0.2.3 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 bsharp 0.2.3
[INFO] finished tweaking crates.io crate bsharp 0.2.3
[INFO] tweaked toml for crates.io crate bsharp 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate bsharp 0.2.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 58e82c8064ac79ee2e389e39ac4e2b411ec164c30e5a11cf672cab01a494b52d
[INFO] running `Command { std: "docker" "start" "-a" "58e82c8064ac79ee2e389e39ac4e2b411ec164c30e5a11cf672cab01a494b52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e82c8064ac79ee2e389e39ac4e2b411ec164c30e5a11cf672cab01a494b52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e82c8064ac79ee2e389e39ac4e2b411ec164c30e5a11cf672cab01a494b52d", kill_on_drop: false }`
[INFO] [stdout] 58e82c8064ac79ee2e389e39ac4e2b411ec164c30e5a11cf672cab01a494b52d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] eed4f5dc29001b9121175d1d30f12911fa39bef43826a72fff1f67ce4aff54b8
[INFO] running `Command { std: "docker" "start" "-a" "eed4f5dc29001b9121175d1d30f12911fa39bef43826a72fff1f67ce4aff54b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bsharp_tokens v0.2.3
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking bsharp_parser v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.23
[INFO] [stderr]     Checking include_dir v0.7.3
[INFO] [stderr]     Checking bsharp_fset v0.2.3
[INFO] [stderr]     Checking bsharp_ir v0.2.3
[INFO] [stderr]     Checking bsharp_interp v0.2.3
[INFO] [stderr]     Checking bsharp_bstar v0.2.3
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking clap v4.3.23
[INFO] [stderr]     Checking bsharp v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "eed4f5dc29001b9121175d1d30f12911fa39bef43826a72fff1f67ce4aff54b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed4f5dc29001b9121175d1d30f12911fa39bef43826a72fff1f67ce4aff54b8", kill_on_drop: false }`
[INFO] [stdout] eed4f5dc29001b9121175d1d30f12911fa39bef43826a72fff1f67ce4aff54b8