[INFO] cloning repository https://github.com/nipzu/bf-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nipzu/bf-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fbf-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fbf-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f441b291ddb44b350b03ff4577f221ca714e6e37
[INFO] testing nipzu/bf-compiler against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fbf-compiler" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nipzu/bf-compiler on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nipzu/bf-compiler
[INFO] finished tweaking git repo https://github.com/nipzu/bf-compiler
[INFO] tweaked toml for git repo https://github.com/nipzu/bf-compiler written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/nipzu/bf-compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07943edcc22ef1d873f639043575078db2ae10567aca261ee87db35f7e0ce13e
[INFO] running `Command { std: "docker" "start" "-a" "07943edcc22ef1d873f639043575078db2ae10567aca261ee87db35f7e0ce13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07943edcc22ef1d873f639043575078db2ae10567aca261ee87db35f7e0ce13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07943edcc22ef1d873f639043575078db2ae10567aca261ee87db35f7e0ce13e", kill_on_drop: false }`
[INFO] [stdout] 07943edcc22ef1d873f639043575078db2ae10567aca261ee87db35f7e0ce13e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af6396b1abbd4a59e6c17c62510a697a1153e5181dd0bf80939f0e556874f820
[INFO] running `Command { std: "docker" "start" "-a" "af6396b1abbd4a59e6c17c62510a697a1153e5181dd0bf80939f0e556874f820", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]    Compiling argh v0.1.6
[INFO] [stderr]    Compiling bf-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     output: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:5:20
[INFO] [stdout]    |
[INFO] [stdout] 5  | #[derive(FromArgs, Debug)]
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BasicBlock`
[INFO] [stdout]  --> src/block.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct BasicBlock {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Instruction`
[INFO] [stdout]   --> src/block.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Instruction {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadModified`
[INFO] [stdout]   --> src/block.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ReadModified(u64, i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Original`
[INFO] [stdout]   --> src/block.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Original(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc`
[INFO] [stdout]   --> src/block.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn inc(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dec`
[INFO] [stdout]   --> src/block.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn dec(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/block.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn new(v: &[BFToken]) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "af6396b1abbd4a59e6c17c62510a697a1153e5181dd0bf80939f0e556874f820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6396b1abbd4a59e6c17c62510a697a1153e5181dd0bf80939f0e556874f820", kill_on_drop: false }`
[INFO] [stdout] af6396b1abbd4a59e6c17c62510a697a1153e5181dd0bf80939f0e556874f820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92142137bf09dad320c99a965e051049976f941283f1d4cec163339acca95431
[INFO] running `Command { std: "docker" "start" "-a" "92142137bf09dad320c99a965e051049976f941283f1d4cec163339acca95431", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bf-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     output: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:5:20
[INFO] [stdout]    |
[INFO] [stdout] 5  | #[derive(FromArgs, Debug)]
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BasicBlock`
[INFO] [stdout]  --> src/block.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct BasicBlock {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Instruction`
[INFO] [stdout]   --> src/block.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Instruction {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadModified`
[INFO] [stdout]   --> src/block.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ReadModified(u64, i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Original`
[INFO] [stdout]   --> src/block.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Original(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc`
[INFO] [stdout]   --> src/block.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn inc(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dec`
[INFO] [stdout]   --> src/block.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn dec(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/block.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn new(v: &[BFToken]) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/bf_compiler-3fd09a9dfd07fc0a)
[INFO] running `Command { std: "docker" "inspect" "92142137bf09dad320c99a965e051049976f941283f1d4cec163339acca95431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92142137bf09dad320c99a965e051049976f941283f1d4cec163339acca95431", kill_on_drop: false }`
[INFO] [stdout] 92142137bf09dad320c99a965e051049976f941283f1d4cec163339acca95431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 123005ecfd6ac87fcb524caff5ab2d04238f677fcaf4f3bdaba69d3bac55c5df
[INFO] running `Command { std: "docker" "start" "-a" "123005ecfd6ac87fcb524caff5ab2d04238f677fcaf4f3bdaba69d3bac55c5df", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `output`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     output: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:5:20
[INFO] [stderr]    |
[INFO] [stderr] 5  | #[derive(FromArgs, Debug)]
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BasicBlock`
[INFO] [stderr]  --> src/block.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct BasicBlock {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]   --> src/block.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum Instruction {
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ReadModified`
[INFO] [stderr]   --> src/block.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     ReadModified(u64, i64),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Original`
[INFO] [stderr]   --> src/block.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Original(i64),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `inc`
[INFO] [stderr]   --> src/block.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn inc(&mut self) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dec`
[INFO] [stderr]   --> src/block.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn dec(&mut self) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/block.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn new(v: &[BFToken]) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bf-compiler` (bin "bf-compiler" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bf_compiler-3fd09a9dfd07fc0a)
[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" "123005ecfd6ac87fcb524caff5ab2d04238f677fcaf4f3bdaba69d3bac55c5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123005ecfd6ac87fcb524caff5ab2d04238f677fcaf4f3bdaba69d3bac55c5df", kill_on_drop: false }`
[INFO] [stdout] 123005ecfd6ac87fcb524caff5ab2d04238f677fcaf4f3bdaba69d3bac55c5df