[INFO] cloning repository https://github.com/tarberd/toy-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarberd/toy-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarberd%2Ftoy-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarberd%2Ftoy-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b56542a18e85b31e525cc8320ecc1aa8c60fbbc
[INFO] checking tarberd/toy-compiler against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarberd%2Ftoy-compiler" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tarberd/toy-compiler
[INFO] finished tweaking git repo https://github.com/tarberd/toy-compiler
[INFO] tweaked toml for git repo https://github.com/tarberd/toy-compiler written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tarberd/toy-compiler on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tarberd/toy-compiler 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efe33270a8527051de221e6a899aae59298ae65a47b2023557593a6d5fce0581
[INFO] running `Command { std: "docker" "start" "-a" "efe33270a8527051de221e6a899aae59298ae65a47b2023557593a6d5fce0581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efe33270a8527051de221e6a899aae59298ae65a47b2023557593a6d5fce0581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe33270a8527051de221e6a899aae59298ae65a47b2023557593a6d5fce0581", kill_on_drop: false }`
[INFO] [stdout] efe33270a8527051de221e6a899aae59298ae65a47b2023557593a6d5fce0581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7499f6a30fba8aaee22f21c69e76985db6d7c12391f406f52832bfe96163aae0
[INFO] running `Command { std: "docker" "start" "-a" "7499f6a30fba8aaee22f21c69e76985db6d7c12391f406f52832bfe96163aae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking toy-lexer v0.1.0 (/opt/rustwide/workdir/toy-lexer)
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling llvm-sys v110.0.0
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling toy-parser v0.1.0 (/opt/rustwide/workdir/toy-parser)
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> toy-parser/src/typecheck.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{self, Type};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> toy-parser/src/typecheck.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{self, Type};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `I32` found for enum `ast::Type` in the current scope
[INFO] [stdout]    --> toy-parser/src/environment_builder.rs:215:25
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Some(&Type::I32)
[INFO] [stdout]     |                         ^^^ variant or associated item not found in `ast::Type`
[INFO] [stdout]     |
[INFO] [stdout]    ::: toy-parser/src/ast.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub enum Type {
[INFO] [stdout]     | ------------- variant or associated item `I32` not found for this enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Void` found for enum `ast::Type` in the current scope
[INFO] [stdout]    --> toy-parser/src/environment_builder.rs:222:45
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 return_type: Box::new(Type::Void),
[INFO] [stdout]     |                                             ^^^^ variant or associated item not found in `ast::Type`
[INFO] [stdout]     |
[INFO] [stdout]    ::: toy-parser/src/ast.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub enum Type {
[INFO] [stdout]     | ------------- variant or associated item `Void` not found for this enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Void` found for enum `ast::Type` in the current scope
[INFO] [stdout]    --> toy-parser/src/environment_builder.rs:230:45
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 return_type: Box::new(Type::Void),
[INFO] [stdout]     |                                             ^^^^ variant or associated item not found in `ast::Type`
[INFO] [stdout]     |
[INFO] [stdout]    ::: toy-parser/src/ast.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub enum Type {
[INFO] [stdout]     | ------------- variant or associated item `Void` not found for this enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `I32` found for enum `ast::Type` in the current scope
[INFO] [stdout]    --> toy-parser/src/environment_builder.rs:237:40
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 parameters: vec![Type::I32, Type::I32],
[INFO] [stdout]     |                                        ^^^ variant or associated item not found in `ast::Type`
[INFO] [stdout]     |
[INFO] [stdout]    ::: toy-parser/src/ast.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub enum Type {
[INFO] [stdout]     | ------------- variant or associated item `I32` not found for this enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `I32` found for enum `ast::Type` in the current scope
[INFO] [stdout]    --> toy-parser/src/environment_builder.rs:237:51
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 parameters: vec![Type::I32, Type::I32],
[INFO] [stdout]     |                                                   ^^^ variant or associated item not found in `ast::Type`
[INFO] [stdout]     |
[INFO] [stdout]    ::: toy-parser/src/ast.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub enum Type {
[INFO] [stdout]     | ------------- variant or associated item `I32` not found for this enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `I32` found for enum `ast::Type` in the current scope
[INFO] [stdout]    --> toy-parser/src/environment_builder.rs:238:45
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 return_type: Box::new(Type::I32),
[INFO] [stdout]     |                                             ^^^ variant or associated item not found in `ast::Type`
[INFO] [stdout]     |
[INFO] [stdout]    ::: toy-parser/src/ast.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub enum Type {
[INFO] [stdout]     | ------------- variant or associated item `I32` not found for this enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_statement`
[INFO] [stdout]    --> toy-parser/src/environment_builder.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         return_statement: &ReturnStatement,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_statement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_statement`
[INFO] [stdout]    --> toy-parser/src/environment_builder.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         return_statement: &ReturnStatement,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_statement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `toy-parser` (lib test) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7499f6a30fba8aaee22f21c69e76985db6d7c12391f406f52832bfe96163aae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7499f6a30fba8aaee22f21c69e76985db6d7c12391f406f52832bfe96163aae0", kill_on_drop: false }`
[INFO] [stdout] 7499f6a30fba8aaee22f21c69e76985db6d7c12391f406f52832bfe96163aae0