[INFO] cloning repository https://github.com/marcorohn/mbsw_typechecker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcorohn/mbsw_typechecker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorohn%2Fmbsw_typechecker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorohn%2Fmbsw_typechecker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b78e86fc6d2658ab53e3d63ee93255d21b77a65
[INFO] testing marcorohn/mbsw_typechecker against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorohn%2Fmbsw_typechecker" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marcorohn/mbsw_typechecker
[INFO] finished tweaking git repo https://github.com/marcorohn/mbsw_typechecker
[INFO] tweaked toml for git repo https://github.com/marcorohn/mbsw_typechecker written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marcorohn/mbsw_typechecker on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/marcorohn/mbsw_typechecker 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad04f4fd79c7eeb57abca06ad67c524035f756ee2026a300af4dfd7103c283f5
[INFO] running `Command { std: "docker" "start" "-a" "ad04f4fd79c7eeb57abca06ad67c524035f756ee2026a300af4dfd7103c283f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad04f4fd79c7eeb57abca06ad67c524035f756ee2026a300af4dfd7103c283f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad04f4fd79c7eeb57abca06ad67c524035f756ee2026a300af4dfd7103c283f5", kill_on_drop: false }`
[INFO] [stdout] ad04f4fd79c7eeb57abca06ad67c524035f756ee2026a300af4dfd7103c283f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c7d482dbbba74a0271ec9f37286af3d1ceff419945e4b64bb6c98955adf928b
[INFO] running `Command { std: "docker" "start" "-a" "8c7d482dbbba74a0271ec9f37286af3d1ceff419945e4b64bb6c98955adf928b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typechecker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::expression`
[INFO] [stdout]  --> src/expression.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use crate::expression;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Plus`
[INFO] [stdout]  --> src/main.rs:5:78
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::expression::expression::Expr::{And, EFalse, ETrue, Mult, One, Or, Plus, Zero};
[INFO] [stdout]   |                                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug` and `Display`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]   --> src/typecheck.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Expr::Mult(e1, e2) => {
[INFO] [stdout]    |                            ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_t` is never used
[INFO] [stdout]   --> src/typecheck.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn eval_t(expr: &Expr) -> Result<Either<i32, bool>, String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]  --> src/util.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub enum Either<A, B> {
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8c7d482dbbba74a0271ec9f37286af3d1ceff419945e4b64bb6c98955adf928b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7d482dbbba74a0271ec9f37286af3d1ceff419945e4b64bb6c98955adf928b", kill_on_drop: false }`
[INFO] [stdout] 8c7d482dbbba74a0271ec9f37286af3d1ceff419945e4b64bb6c98955adf928b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da64beebd2c42aab8fc239cc575db304f418be14f645a2fc1448c357aa8af745
[INFO] running `Command { std: "docker" "start" "-a" "da64beebd2c42aab8fc239cc575db304f418be14f645a2fc1448c357aa8af745", kill_on_drop: false }`
[INFO] [stderr]    Compiling typechecker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::expression`
[INFO] [stdout]  --> src/expression.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use crate::expression;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Plus`
[INFO] [stdout]  --> src/main.rs:5:78
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::expression::expression::Expr::{And, EFalse, ETrue, Mult, One, Or, Plus, Zero};
[INFO] [stdout]   |                                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug` and `Display`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]   --> src/typecheck.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Expr::Mult(e1, e2) => {
[INFO] [stdout]    |                            ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_t` is never used
[INFO] [stdout]   --> src/typecheck.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn eval_t(expr: &Expr) -> Result<Either<i32, bool>, String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]  --> src/util.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub enum Either<A, B> {
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "da64beebd2c42aab8fc239cc575db304f418be14f645a2fc1448c357aa8af745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da64beebd2c42aab8fc239cc575db304f418be14f645a2fc1448c357aa8af745", kill_on_drop: false }`
[INFO] [stdout] da64beebd2c42aab8fc239cc575db304f418be14f645a2fc1448c357aa8af745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 574b668676cb084a91d87d7d4ea110a384970c98d7d9ce06321d7c444a667be0
[INFO] running `Command { std: "docker" "start" "-a" "574b668676cb084a91d87d7d4ea110a384970c98d7d9ce06321d7c444a667be0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::expression`
[INFO] [stderr]  --> src/expression.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use crate::expression;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Plus`
[INFO] [stderr]  --> src/main.rs:5:78
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::expression::expression::Expr::{And, EFalse, ETrue, Mult, One, Or, Plus, Zero};
[INFO] [stderr]   |                                                                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Debug` and `Display`
[INFO] [stderr]  --> src/main.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fmt::{Debug, Display};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e2`
[INFO] [stderr]   --> src/typecheck.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |             Expr::Mult(e1, e2) => {
[INFO] [stderr]    |                            ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `eval_t` is never used
[INFO] [stderr]   --> src/typecheck.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn eval_t(expr: &Expr) -> Result<Either<i32, bool>, String> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Either` is never used
[INFO] [stderr]  --> src/util.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub enum Either<A, B> {
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `typechecker` (bin "typechecker" test) generated 6 warnings (run `cargo fix --bin "typechecker" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/typechecker-de165b9e8bac11d4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "574b668676cb084a91d87d7d4ea110a384970c98d7d9ce06321d7c444a667be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574b668676cb084a91d87d7d4ea110a384970c98d7d9ce06321d7c444a667be0", kill_on_drop: false }`
[INFO] [stdout] 574b668676cb084a91d87d7d4ea110a384970c98d7d9ce06321d7c444a667be0
