[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#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorohn%2Fmbsw_typechecker" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marcorohn/mbsw_typechecker on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a60a0e8596f79c00752fb81931c736d69fde1cc1aa84d9309a698813e2bb75f1
[INFO] running `Command { std: "docker" "start" "-a" "a60a0e8596f79c00752fb81931c736d69fde1cc1aa84d9309a698813e2bb75f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a60a0e8596f79c00752fb81931c736d69fde1cc1aa84d9309a698813e2bb75f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60a0e8596f79c00752fb81931c736d69fde1cc1aa84d9309a698813e2bb75f1", kill_on_drop: false }`
[INFO] [stdout] a60a0e8596f79c00752fb81931c736d69fde1cc1aa84d9309a698813e2bb75f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ba63146b3fbf63e849d734b3a74c49c42eb4f974b82b53d38be1c29e12ea454
[INFO] running `Command { std: "docker" "start" "-a" "6ba63146b3fbf63e849d734b3a74c49c42eb4f974b82b53d38be1c29e12ea454", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.19s
[INFO] running `Command { std: "docker" "inspect" "6ba63146b3fbf63e849d734b3a74c49c42eb4f974b82b53d38be1c29e12ea454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba63146b3fbf63e849d734b3a74c49c42eb4f974b82b53d38be1c29e12ea454", kill_on_drop: false }`
[INFO] [stdout] 6ba63146b3fbf63e849d734b3a74c49c42eb4f974b82b53d38be1c29e12ea454
