[INFO] cloning repository https://github.com/zacklukem/vimib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zacklukem/vimib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacklukem%2Fvimib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacklukem%2Fvimib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6569bb197258bbf0edafdc74bfeceaa4cf4fb158
[INFO] checking zacklukem/vimib against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacklukem%2Fvimib" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacklukem/vimib 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/zacklukem/vimib
[INFO] finished tweaking git repo https://github.com/zacklukem/vimib
[INFO] tweaked toml for git repo https://github.com/zacklukem/vimib written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zacklukem/vimib 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] 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2f930d4bc720fc2d68d0106a4c18b99a198effed5ca8e9ea651d2cb7891f450
[INFO] running `Command { std: "docker" "start" "-a" "b2f930d4bc720fc2d68d0106a4c18b99a198effed5ca8e9ea651d2cb7891f450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2f930d4bc720fc2d68d0106a4c18b99a198effed5ca8e9ea651d2cb7891f450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f930d4bc720fc2d68d0106a4c18b99a198effed5ca8e9ea651d2cb7891f450", kill_on_drop: false }`
[INFO] [stdout] b2f930d4bc720fc2d68d0106a4c18b99a198effed5ca8e9ea651d2cb7891f450
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 157339b7429cfd5bd500725bcdedc50ae7a550d16584066881c35ffe4f0b50c4
[INFO] running `Command { std: "docker" "start" "-a" "157339b7429cfd5bd500725bcdedc50ae7a550d16584066881c35ffe4f0b50c4", kill_on_drop: false }`
[INFO] [stderr]     Checking libvm v0.1.0 (/opt/rustwide/workdir/src/libvm)
[INFO] [stderr]     Checking libparser v0.1.0 (/opt/rustwide/workdir/src/libparser)
[INFO] [stdout] warning: the item `TokenKind` is imported redundantly
[INFO] [stdout]  --> src/libparser/src/parser/expression.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `TokenKind` is already imported here
[INFO] [stdout] 2 | use crate::ast::*;
[INFO] [stdout] 3 | use crate::lexer::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenKind` is imported redundantly
[INFO] [stdout]  --> src/libparser/src/parser/statement.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `TokenKind` is already imported here
[INFO] [stdout] 2 | use crate::ast::*;
[INFO] [stdout] 3 | use crate::lexer::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenKind` is imported redundantly
[INFO] [stdout]  --> src/libparser/src/parser/expression.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `TokenKind` is already imported here
[INFO] [stdout] 2 | use crate::ast::*;
[INFO] [stdout] 3 | use crate::lexer::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenKind` is imported redundantly
[INFO] [stdout]  --> src/libparser/src/parser/statement.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `TokenKind` is already imported here
[INFO] [stdout] 2 | use crate::ast::*;
[INFO] [stdout] 3 | use crate::lexer::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking libcodegen v0.1.0 (/opt/rustwide/workdir/src/libcodegen)
[INFO] [stderr]     Checking vimib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "157339b7429cfd5bd500725bcdedc50ae7a550d16584066881c35ffe4f0b50c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157339b7429cfd5bd500725bcdedc50ae7a550d16584066881c35ffe4f0b50c4", kill_on_drop: false }`
[INFO] [stdout] 157339b7429cfd5bd500725bcdedc50ae7a550d16584066881c35ffe4f0b50c4
[INFO] checking zacklukem/vimib against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacklukem%2Fvimib" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacklukem/vimib 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/zacklukem/vimib
[INFO] finished tweaking git repo https://github.com/zacklukem/vimib
[INFO] tweaked toml for git repo https://github.com/zacklukem/vimib written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zacklukem/vimib 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd9f7aa79c7a42690ce742782136258904a3be6d24cc646cbe1f1698a8c1b3a8
[INFO] running `Command { std: "docker" "start" "-a" "fd9f7aa79c7a42690ce742782136258904a3be6d24cc646cbe1f1698a8c1b3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9f7aa79c7a42690ce742782136258904a3be6d24cc646cbe1f1698a8c1b3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9f7aa79c7a42690ce742782136258904a3be6d24cc646cbe1f1698a8c1b3a8", kill_on_drop: false }`
[INFO] [stdout] fd9f7aa79c7a42690ce742782136258904a3be6d24cc646cbe1f1698a8c1b3a8
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32f03b27238f09130a5891e3b9f674d1c75509728fcd9c54d3380970e0e691e2
[INFO] running `Command { std: "docker" "start" "-a" "32f03b27238f09130a5891e3b9f674d1c75509728fcd9c54d3380970e0e691e2", kill_on_drop: false }`
[INFO] [stderr]     Checking libvm v0.1.0 (/opt/rustwide/workdir/src/libvm)
[INFO] [stderr]     Checking libparser v0.1.0 (/opt/rustwide/workdir/src/libparser)
[INFO] [stdout] warning: the item `TokenKind` is imported redundantly
[INFO] [stdout]  --> src/libparser/src/parser/expression.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `TokenKind` is already imported here
[INFO] [stdout] 2 | use crate::ast::*;
[INFO] [stdout] 3 | use crate::lexer::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenKind` is imported redundantly
[INFO] [stdout]  --> src/libparser/src/parser/statement.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `TokenKind` is already imported here
[INFO] [stdout] 2 | use crate::ast::*;
[INFO] [stdout] 3 | use crate::lexer::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenKind` is imported redundantly
[INFO] [stdout]  --> src/libparser/src/parser/expression.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `TokenKind` is already imported here
[INFO] [stdout] 2 | use crate::ast::*;
[INFO] [stdout] 3 | use crate::lexer::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenKind` is imported redundantly
[INFO] [stdout]  --> src/libparser/src/parser/statement.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `TokenKind` is already imported here
[INFO] [stdout] 2 | use crate::ast::*;
[INFO] [stdout] 3 | use crate::lexer::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking libcodegen v0.1.0 (/opt/rustwide/workdir/src/libcodegen)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/libcodegen/src/opcode.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |                         panic!();
[INFO] [stdout]     |                         ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/libcodegen/src/opcode.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |                         panic!();
[INFO] [stdout]     |                         ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] [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 `libcodegen` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libcodegen` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "32f03b27238f09130a5891e3b9f674d1c75509728fcd9c54d3380970e0e691e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f03b27238f09130a5891e3b9f674d1c75509728fcd9c54d3380970e0e691e2", kill_on_drop: false }`
[INFO] [stdout] 32f03b27238f09130a5891e3b9f674d1c75509728fcd9c54d3380970e0e691e2