[INFO] cloning repository https://github.com/LarsvanDartel/symb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LarsvanDartel/symb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarsvanDartel%2Fsymb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarsvanDartel%2Fsymb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ad403173ac1532920530fb7b3f9b84b561b1dea
[INFO] checking LarsvanDartel/symb-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarsvanDartel%2Fsymb-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LarsvanDartel/symb-rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LarsvanDartel/symb-rs
[INFO] finished tweaking git repo https://github.com/LarsvanDartel/symb-rs
[INFO] tweaked toml for git repo https://github.com/LarsvanDartel/symb-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LarsvanDartel/symb-rs 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.20.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.20.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.20.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.20.2
[INFO] [stderr]   Downloaded pyo3 v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f4033fe251d3207a58a322fec77112c0fcc34efa2e51a0690e07a4d51c30d39
[INFO] running `Command { std: "docker" "start" "-a" "2f4033fe251d3207a58a322fec77112c0fcc34efa2e51a0690e07a4d51c30d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4033fe251d3207a58a322fec77112c0fcc34efa2e51a0690e07a4d51c30d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4033fe251d3207a58a322fec77112c0fcc34efa2e51a0690e07a4d51c30d39", kill_on_drop: false }`
[INFO] [stdout] 2f4033fe251d3207a58a322fec77112c0fcc34efa2e51a0690e07a4d51c30d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a77d9af1b187f382313ca3f3c9f248cbe938d0e080badf3c24543bef643ff503
[INFO] running `Command { std: "docker" "start" "-a" "a77d9af1b187f382313ca3f3c9f248cbe938d0e080badf3c24543bef643ff503", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling pyo3-build-config v0.20.2
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking expr v0.1.0 (/opt/rustwide/workdir/expr)
[INFO] [stderr]    Compiling pyo3-ffi v0.20.2
[INFO] [stderr]    Compiling pyo3 v0.20.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.20.2
[INFO] [stderr]    Compiling expr_macro v0.1.0 (/opt/rustwide/workdir/expr_macro)
[INFO] [stderr]     Checking symb_rs_core v0.1.0 (/opt/rustwide/workdir/symb_rs_core)
[INFO] [stderr]    Compiling pyo3-macros v0.20.2
[INFO] [stderr]     Checking symb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "a77d9af1b187f382313ca3f3c9f248cbe938d0e080badf3c24543bef643ff503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77d9af1b187f382313ca3f3c9f248cbe938d0e080badf3c24543bef643ff503", kill_on_drop: false }`
[INFO] [stdout] a77d9af1b187f382313ca3f3c9f248cbe938d0e080badf3c24543bef643ff503
[INFO] checking LarsvanDartel/symb-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarsvanDartel%2Fsymb-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LarsvanDartel/symb-rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LarsvanDartel/symb-rs
[INFO] finished tweaking git repo https://github.com/LarsvanDartel/symb-rs
[INFO] tweaked toml for git repo https://github.com/LarsvanDartel/symb-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LarsvanDartel/symb-rs 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f98f6474d65f24ee788c983f49d5b77e5f34606e7f50e2c76898bcfc3ee57a2
[INFO] running `Command { std: "docker" "start" "-a" "8f98f6474d65f24ee788c983f49d5b77e5f34606e7f50e2c76898bcfc3ee57a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f98f6474d65f24ee788c983f49d5b77e5f34606e7f50e2c76898bcfc3ee57a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f98f6474d65f24ee788c983f49d5b77e5f34606e7f50e2c76898bcfc3ee57a2", kill_on_drop: false }`
[INFO] [stdout] 8f98f6474d65f24ee788c983f49d5b77e5f34606e7f50e2c76898bcfc3ee57a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a665b8f4a0a31e2677a63880850c3ca1fc259dc010babfd147077994c198145
[INFO] running `Command { std: "docker" "start" "-a" "9a665b8f4a0a31e2677a63880850c3ca1fc259dc010babfd147077994c198145", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling pyo3-build-config v0.20.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.20.2
[INFO] [stderr]    Compiling pyo3 v0.20.2
[INFO] [stderr]    Compiling expr v0.1.0 (/opt/rustwide/workdir/expr)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> expr/src/expression/parser.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Err("Expected primary, found None")?;
[INFO] [stdout]     |             ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Err::<T, &str>("Expected primary, found None")?;
[INFO] [stdout]     |                +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> expr/src/expression/parser.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Err("Expected primary, found None")?;
[INFO] [stdout]     |             ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Err::<T, &str>("Expected primary, found None")?;
[INFO] [stdout]     |                +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `expr` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `expr` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9a665b8f4a0a31e2677a63880850c3ca1fc259dc010babfd147077994c198145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a665b8f4a0a31e2677a63880850c3ca1fc259dc010babfd147077994c198145", kill_on_drop: false }`
[INFO] [stdout] 9a665b8f4a0a31e2677a63880850c3ca1fc259dc010babfd147077994c198145