[INFO] cloning repository https://github.com/conorpo/hott_work
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conorpo/hott_work" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconorpo%2Fhott_work", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconorpo%2Fhott_work'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dbfde4e566987f2465a82bdedb3fa4e54df71e7
[INFO] fixing conorpo/hott_work against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconorpo%2Fhott_work" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/conorpo/hott_work
[INFO] finished tweaking git repo https://github.com/conorpo/hott_work
[INFO] tweaked toml for git repo https://github.com/conorpo/hott_work written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/conorpo/hott_work on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/conorpo/hott_work 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 66127fba3ae818d54228725ac174a3c85daa88bd22c0c46038865e6e250e4f98
[INFO] running `Command { std: "docker" "start" "66127fba3ae818d54228725ac174a3c85daa88bd22c0c46038865e6e250e4f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66127fba3ae818d54228725ac174a3c85daa88bd22c0c46038865e6e250e4f98" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66127fba3ae818d54228725ac174a3c85daa88bd22c0c46038865e6e250e4f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66127fba3ae818d54228725ac174a3c85daa88bd22c0c46038865e6e250e4f98" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking hott_work v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `LinkedList`
[INFO] [stdout]  --> src/lib.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, LinkedList};
[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: `HashSet`
[INFO] [stdout]  --> src/grammar.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet, LinkedList, VecDeque}, fmt::{self, Write}, random::random};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grammar`
[INFO] [stdout]  --> src/grammar.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::grammar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RngCore`
[INFO] [stdout]  --> src/grammar.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{rngs::*, RngCore, SeedableRng};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `LinkedList`
[INFO] [stdout]  --> src/lib.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, LinkedList};
[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: `HashSet`
[INFO] [stdout]  --> src/grammar.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet, LinkedList, VecDeque}, fmt::{self, Write}, random::random};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grammar`
[INFO] [stdout]  --> src/grammar.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::grammar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RngCore`
[INFO] [stdout]  --> src/grammar.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{rngs::*, RngCore, SeedableRng};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/grammar.rs:162:26
[INFO] [stdout]     |
[INFO] [stdout] 162 |     use crate::grammar::{self, Grammar, MetaExpression, MetaTerm};
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread::sleep` and `time::Duration`
[INFO] [stdout]    --> src/lamba.rs:124:15
[INFO] [stdout]     |
[INFO] [stdout] 124 |     use std::{thread::sleep, time::Duration};
[INFO] [stdout]     |               ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lamba.rs:144:16
[INFO] [stdout]     |
[INFO] [stdout] 144 |             if (i % 100 == 0) { println!("Step {}: {}", i, omega_combinator) };
[INFO] [stdout]     |                ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 -             if (i % 100 == 0) { println!("Step {}: {}", i, omega_combinator) };
[INFO] [stdout] 144 +             if i % 100 == 0 { println!("Step {}: {}", i, omega_combinator) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]   --> src/grammar.rs:99:62
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let generator = StdRng::seed_from_u64(seed.unwrap_or(random()));
[INFO] [stdout]    |                                                              ^^^^^^-- argument #1 is missing
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/random.rs:100:7
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let generator = StdRng::seed_from_u64(seed.unwrap_or(random(/* dist */)));
[INFO] [stdout]    |                                                                     ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]   --> src/grammar.rs:99:62
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let generator = StdRng::seed_from_u64(seed.unwrap_or(random()));
[INFO] [stdout]    |                                                              ^^^^^^-- argument #1 is missing
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/random.rs:100:7
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let generator = StdRng::seed_from_u64(seed.unwrap_or(random(/* dist */)));
[INFO] [stdout]    |                                                                     ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hott_work` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lamba.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let mut basic = Term::App(Box::new(Term::Abs(Box::new(Term::Var(1)))), Box::new(Term::Abs(Box::new(Term::Var(2)))));
[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: unused variable: `basic`
[INFO] [stdout]    --> src/lamba.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let mut basic = Term::App(Box::new(Term::Abs(Box::new(Term::Var(1)))), Box::new(Term::Abs(Box::new(Term::Var(2)))));
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_basic`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hott_work` (lib test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "66127fba3ae818d54228725ac174a3c85daa88bd22c0c46038865e6e250e4f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66127fba3ae818d54228725ac174a3c85daa88bd22c0c46038865e6e250e4f98", kill_on_drop: false }`
[INFO] [stdout] 66127fba3ae818d54228725ac174a3c85daa88bd22c0c46038865e6e250e4f98
