[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] checking marcorohn/mbsw_typechecker against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorohn%2Fmbsw_typechecker" "/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/marcorohn/mbsw_typechecker on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc15d09218692d982199efa1a14bca1e02c42f05b6ddd38cc922906076172f5
[INFO] running `Command { std: "docker" "start" "-a" "bdc15d09218692d982199efa1a14bca1e02c42f05b6ddd38cc922906076172f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc15d09218692d982199efa1a14bca1e02c42f05b6ddd38cc922906076172f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc15d09218692d982199efa1a14bca1e02c42f05b6ddd38cc922906076172f5", kill_on_drop: false }`
[INFO] [stdout] bdc15d09218692d982199efa1a14bca1e02c42f05b6ddd38cc922906076172f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b739bc71c3e4f2a86afb657336455f203acb70051264046ef6aafa976fb6aa
[INFO] running `Command { std: "docker" "start" "-a" "79b739bc71c3e4f2a86afb657336455f203acb70051264046ef6aafa976fb6aa", kill_on_drop: false }`
[INFO] [stderr]     Checking 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 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: variants `Left` and `Right` are never constructed
[INFO] [stdout]  --> src/util.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub enum Either<A, B> {
[INFO] [stdout]   |              ------ variants in this enum
[INFO] [stdout] 8 |         Left(A),
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 9 |         Right(B),
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Either` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: variants `Left` and `Right` are never constructed
[INFO] [stdout]  --> src/util.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub enum Either<A, B> {
[INFO] [stdout]   |              ------ variants in this enum
[INFO] [stdout] 8 |         Left(A),
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 9 |         Right(B),
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Either` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "79b739bc71c3e4f2a86afb657336455f203acb70051264046ef6aafa976fb6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b739bc71c3e4f2a86afb657336455f203acb70051264046ef6aafa976fb6aa", kill_on_drop: false }`
[INFO] [stdout] 79b739bc71c3e4f2a86afb657336455f203acb70051264046ef6aafa976fb6aa
