[INFO] cloning repository https://github.com/udzura/mrbasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udzura/mrbasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Fmrbasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Fmrbasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a76b7c5946abf97f22ba1f3f1cd513dd3449afb6
[INFO] checking udzura/mrbasm against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Fmrbasm" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/udzura/mrbasm
[INFO] finished tweaking git repo https://github.com/udzura/mrbasm
[INFO] tweaked toml for git repo https://github.com/udzura/mrbasm written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/udzura/mrbasm on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/udzura/mrbasm 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a22ff7a41dc037a74ae518e3cd26e8d8d486becf14ed373c521dba3b3438f08
[INFO] running `Command { std: "docker" "start" "-a" "5a22ff7a41dc037a74ae518e3cd26e8d8d486becf14ed373c521dba3b3438f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a22ff7a41dc037a74ae518e3cd26e8d8d486becf14ed373c521dba3b3438f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a22ff7a41dc037a74ae518e3cd26e8d8d486becf14ed373c521dba3b3438f08", kill_on_drop: false }`
[INFO] [stdout] 5a22ff7a41dc037a74ae518e3cd26e8d8d486becf14ed373c521dba3b3438f08
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f3814949ba612e20fbf573fbf255763101aa1254ac77efd745765cebefa138f
[INFO] running `Command { std: "docker" "start" "-a" "5f3814949ba612e20fbf573fbf255763101aa1254ac77efd745765cebefa138f", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking mrbasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Pos` in this scope
[INFO] [stdout]    --> src/parser.rs:105:52
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn getcurrent(&mut self, nth: usize) -> Result<Pos, ParseError> {
[INFO] [stdout]     |                                                    ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::lexer::Pos;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Pos` in this scope
[INFO] [stdout]    --> src/parser.rs:109:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |             .nth::<Pos>(nth)
[INFO] [stdout]     |                    ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::lexer::Pos;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `LexError` in this scope
[INFO] [stdout]    --> src/parser.rs:114:43
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn advance(&mut self) -> Result<char, LexError> {
[INFO] [stdout]     |                                           ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::lexer::LexError;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `LexError` in this scope
[INFO] [stdout]    --> src/parser.rs:120:40
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn peek(&mut self) -> Result<char, LexError> {
[INFO] [stdout]     |                                        ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::lexer::LexError;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Pos` in this scope
[INFO] [stdout]    --> src/parser.rs:105:52
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn getcurrent(&mut self, nth: usize) -> Result<Pos, ParseError> {
[INFO] [stdout]     |                                                    ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::lexer::Pos;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Pos` in this scope
[INFO] [stdout]    --> src/parser.rs:109:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |             .nth::<Pos>(nth)
[INFO] [stdout]     |                    ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::lexer::Pos;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `LexError` in this scope
[INFO] [stdout]    --> src/parser.rs:114:43
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn advance(&mut self) -> Result<char, LexError> {
[INFO] [stdout]     |                                           ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::lexer::LexError;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `LexError` in this scope
[INFO] [stdout]    --> src/parser.rs:120:40
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn peek(&mut self) -> Result<char, LexError> {
[INFO] [stdout]     |                                        ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::lexer::LexError;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::lexer::{self, Token};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::lexer::{self, Token};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]    --> src/parser.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |             .nth::<Pos>(nth)
[INFO] [stdout]     |              ^^^------- help: remove the unnecessary generics
[INFO] [stdout]     |              |
[INFO] [stdout]     |              expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]    --> src/parser.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |             .nth::<Pos>(nth)
[INFO] [stdout]     |              ^^^------- help: remove the unnecessary generics
[INFO] [stdout]     |              |
[INFO] [stdout]     |              expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `FnOnce()` closure, found `Result<_, ParseError>`
[INFO] [stdout]    --> src/parser.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |             .ok_or_else(Err(ParseError::raise()));
[INFO] [stdout]     |              ---------- ^^^^^^^^^^^^^^^^^^^^^^^^ expected an `FnOnce()` closure, found `Result<_, ParseError>`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FnOnce()` is not implemented for `Result<_, ParseError>`
[INFO] [stdout]     = note: wrap the `Result<_, ParseError>` in a closure with no arguments: `|| { /* code */ }`
[INFO] [stdout] note: required by a bound in `Option::<T>::ok_or_else`
[INFO] [stdout]    --> /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/core/src/option.rs:1362:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `FnOnce()` closure, found `Result<_, ParseError>`
[INFO] [stdout]    --> src/parser.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |             .ok_or_else(Err(ParseError::raise()));
[INFO] [stdout]     |              ---------- ^^^^^^^^^^^^^^^^^^^^^^^^ expected an `FnOnce()` closure, found `Result<_, ParseError>`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FnOnce()` is not implemented for `Result<_, ParseError>`
[INFO] [stdout]     = note: wrap the `Result<_, ParseError>` in a closure with no arguments: `|| { /* code */ }`
[INFO] [stdout] note: required by a bound in `Option::<T>::ok_or_else`
[INFO] [stdout]    --> /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/core/src/option.rs:1362:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `getchar` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]    --> src/parser.rs:115:22
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let c = self.getchar(self.current as usize)?;
[INFO] [stdout]     |                      ^^^^^^^ method not found in `&mut Parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `getchar` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]    --> src/parser.rs:115:22
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let c = self.getchar(self.current as usize)?;
[INFO] [stdout]     |                      ^^^^^^^ method not found in `&mut Parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `peek_n` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]    --> src/parser.rs:121:14
[INFO] [stdout]     |
[INFO] [stdout] 121 |         self.peek_n(0)
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `peek` with a similar name, but with different arguments
[INFO] [stdout]    --> src/parser.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn peek(&mut self) -> Result<char, LexError> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `peek_n` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]    --> src/parser.rs:121:14
[INFO] [stdout]     |
[INFO] [stdout] 121 |         self.peek_n(0)
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `peek` with a similar name, but with different arguments
[INFO] [stdout]    --> src/parser.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn peek(&mut self) -> Result<char, LexError> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `source` on type `&Parser`
[INFO] [stdout]    --> src/parser.rs:125:30
[INFO] [stdout]     |
[INFO] [stdout] 125 |         self.current >= self.source.len()
[INFO] [stdout]     |                              ^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `tokens`, `start`, `current`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `source` on type `&Parser`
[INFO] [stdout]    --> src/parser.rs:125:30
[INFO] [stdout]     |
[INFO] [stdout] 125 |         self.current >= self.source.len()
[INFO] [stdout]     |                              ^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `tokens`, `start`, `current`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut program = Program {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:101:32
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn generate_program(&self, mut program: &Program) -> Result<(), ParseError> {
[INFO] [stdout]     |                                ----^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/parser.rs:101:32
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn generate_program(&self, mut program: &Program) -> Result<(), ParseError> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut program = Program {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:101:32
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn generate_program(&self, mut program: &Program) -> Result<(), ParseError> {
[INFO] [stdout]     |                                ----^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/parser.rs:101:32
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn generate_program(&self, mut program: &Program) -> Result<(), ParseError> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0277, E0412, E0599, E0609.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0277, E0412, E0599, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mrbasm` (lib) due to 9 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mrbasm` (lib test) due to 9 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5f3814949ba612e20fbf573fbf255763101aa1254ac77efd745765cebefa138f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3814949ba612e20fbf573fbf255763101aa1254ac77efd745765cebefa138f", kill_on_drop: false }`
[INFO] [stdout] 5f3814949ba612e20fbf573fbf255763101aa1254ac77efd745765cebefa138f
