[INFO] cloning repository https://github.com/rep-nop/bismite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rep-nop/bismite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frep-nop%2Fbismite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frep-nop%2Fbismite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4dc2c6d784974972465ea5a2ca352287a6d38cd
[INFO] checking rep-nop/bismite against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frep-nop%2Fbismite" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rep-nop/bismite on toolchain aa067fb984d36462548bb785da221bfaf38253f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rep-nop/bismite
[INFO] finished tweaking git repo https://github.com/rep-nop/bismite
[INFO] tweaked toml for git repo https://github.com/rep-nop/bismite written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rep-nop/bismite 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" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rep-nop/bismite against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frep-nop%2Fbismite" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rep-nop/bismite on toolchain 707d6562f55b55a7aab4ab3a904997116b358314
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rep-nop/bismite
[INFO] finished tweaking git repo https://github.com/rep-nop/bismite
[INFO] tweaked toml for git repo https://github.com/rep-nop/bismite written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rep-nop/bismite 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" "+707d6562f55b55a7aab4ab3a904997116b358314" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codespan v0.9.5
[INFO] [stderr]   Downloaded codespan-reporting v0.9.5
[INFO] [stderr]   Downloaded beef v0.4.2
[INFO] [stderr]   Downloaded rustyline v6.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 039f6a71c9588974a20726b6f4b82ac365ac4b3a214c0cc4ca697b4d84f03f85
[INFO] running `Command { std: "docker" "start" "-a" "039f6a71c9588974a20726b6f4b82ac365ac4b3a214c0cc4ca697b4d84f03f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "039f6a71c9588974a20726b6f4b82ac365ac4b3a214c0cc4ca697b4d84f03f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039f6a71c9588974a20726b6f4b82ac365ac4b3a214c0cc4ca697b4d84f03f85", kill_on_drop: false }`
[INFO] [stdout] 039f6a71c9588974a20726b6f4b82ac365ac4b3a214c0cc4ca697b4d84f03f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+707d6562f55b55a7aab4ab3a904997116b358314" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 536497b268f65b2356092aa7af3bf4d7b8868ca7d9b58cb0efa7037b2023e40b
[INFO] running `Command { std: "docker" "start" "-a" "536497b268f65b2356092aa7af3bf4d7b8868ca7d9b58cb0efa7037b2023e40b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling beef v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking strcache v0.1.0 (/opt/rustwide/workdir/strcache)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> strcache/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Index {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 8 |     index: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Index` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `backing`, `readers`, and `write_locked` are never read
[INFO] [stdout]   --> strcache/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct StrCache {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 13 |     backing: UnsafeCell<Vec<&'static str>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     readers: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     write_locked: AtomicBool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StrCache` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> strcache/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Index {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 8 |     index: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Index` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `backing`, `readers`, and `write_locked` are never read
[INFO] [stdout]   --> strcache/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct StrCache {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 13 |     backing: UnsafeCell<Vec<&'static str>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     readers: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     write_locked: AtomicBool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StrCache` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking codespan v0.9.5
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking string-interner v0.7.1
[INFO] [stderr]     Checking hir v0.1.0 (/opt/rustwide/workdir/hir)
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking typecheck v0.1.0 (/opt/rustwide/workdir/typecheck)
[INFO] [stderr]     Checking ast_lowering v0.1.0 (/opt/rustwide/workdir/ast_lowering)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> ast_lowering/src/visitors.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hir::{Expression, ExpressionKind, Path};
[INFO] [stdout]   |                                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_statement` found for mutable reference `&mut LoweringContext` in the current scope
[INFO] [stdout]   --> ast_lowering/src/lib.rs:65:67
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let statements = block.statements.iter().map(|s| this.lower_statement(s)).collect();
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `lower_item` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let statements = block.statements.iter().map(|s| this.lower_item(s)).collect();
[INFO] [stdout]    |                                                                   ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> ast_lowering/src/lib.rs:75:73
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn lower_expression(&mut self, expression: &ast::Expression) -> Expression {}
[INFO] [stdout]    |            ----------------                                             ^^^^^^^^^^ expected `Expression`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&mut hir::ExpressionKind::Assignment(_, _)`, `&mut hir::ExpressionKind::Block(_)`, `&mut hir::ExpressionKind::FnCall(_, _)` and 2 more not covered
[INFO] [stdout]    --> ast_lowering/src/visitors.rs:38:15
[INFO] [stdout]     |
[INFO] [stdout] 38  |         match &mut expr.kind {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ patterns `&mut hir::ExpressionKind::Assignment(_, _)`, `&mut hir::ExpressionKind::Block(_)`, `&mut hir::ExpressionKind::FnCall(_, _)` and 2 more not covered
[INFO] [stdout]     |
[INFO] [stdout] note: `hir::ExpressionKind` defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/hir/src/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub enum ExpressionKind {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 279 |     Assignment(Box<Expression>, Box<Expression>),
[INFO] [stdout]     |     ---------- not covered
[INFO] [stdout] 280 |     BinaryOperation(Box<Expression>, BinOp, Box<Expression>),
[INFO] [stdout] 281 |     Block(Box<Block>),
[INFO] [stdout]     |     ----- not covered
[INFO] [stdout] ...
[INFO] [stdout] 284 |     FnCall(Box<Expression>, Vec<Expression>),
[INFO] [stdout]     |     ------ not covered
[INFO] [stdout] ...
[INFO] [stdout] 288 |     Struct(StructExpr),
[INFO] [stdout]     |     ------ not covered
[INFO] [stdout] 289 |     Unary(UnaryOp, Box<Expression>),
[INFO] [stdout]     |     ----- not covered
[INFO] [stdout]     = note: the matched value is of type `&mut hir::ExpressionKind`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown, or multiple match arms
[INFO] [stdout]     |
[INFO] [stdout] 62  ~             },
[INFO] [stdout] 63  +             _ => todo!()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> ast_lowering/src/lib.rs:42:31
[INFO] [stdout]    |
[INFO] [stdout] 42 |             ast::Item::Struct(s) => todo!("lower struct"),
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ast_lowering` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "536497b268f65b2356092aa7af3bf4d7b8868ca7d9b58cb0efa7037b2023e40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536497b268f65b2356092aa7af3bf4d7b8868ca7d9b58cb0efa7037b2023e40b", kill_on_drop: false }`
[INFO] [stdout] 536497b268f65b2356092aa7af3bf4d7b8868ca7d9b58cb0efa7037b2023e40b