[INFO] cloning repository https://github.com/MysteryJump/tapl-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MysteryJump/tapl-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMysteryJump%2Ftapl-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMysteryJump%2Ftapl-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1899d78b048b5b4b5dd94ca296609b8d1d99fc3a
[INFO] testing MysteryJump/tapl-rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMysteryJump%2Ftapl-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MysteryJump/tapl-rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MysteryJump/tapl-rust
[INFO] finished tweaking git repo https://github.com/MysteryJump/tapl-rust
[INFO] tweaked toml for git repo https://github.com/MysteryJump/tapl-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/MysteryJump/tapl-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v100.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83f371e7f468e8ff98e28268bd04ac08405e7f97eb4b2009c42da7f31c7d12bc
[INFO] running `Command { std: "docker" "start" "-a" "83f371e7f468e8ff98e28268bd04ac08405e7f97eb4b2009c42da7f31c7d12bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f371e7f468e8ff98e28268bd04ac08405e7f97eb4b2009c42da7f31c7d12bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f371e7f468e8ff98e28268bd04ac08405e7f97eb4b2009c42da7f31c7d12bc", kill_on_drop: false }`
[INFO] [stdout] 83f371e7f468e8ff98e28268bd04ac08405e7f97eb4b2009c42da7f31c7d12bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 798d90bb4e0fa09e39d511a86d5b4a4f9d7089b5de29e11ceb49e4aa80af7657
[INFO] running `Command { std: "docker" "start" "-a" "798d90bb4e0fa09e39d511a86d5b4a4f9d7089b5de29e11ceb49e4aa80af7657", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#f768691f)
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling llvm-sys v100.2.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling inkwell_internals v0.3.0 (https://github.com/TheDan64/inkwell?branch=master#f768691f)
[INFO] [stderr]    Compiling tapl-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]   --> src/chapter7.rs:82:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn parse(token_stream: Vec<LexicalItem>) {}
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]   --> src/chapter7.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Variable(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/chapter7.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(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: variant is never constructed: `Abstraction`
[INFO] [stdout]   --> src/chapter7.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Abstraction(Box<Term>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/chapter7.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(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: variant is never constructed: `Apply`
[INFO] [stdout]   --> src/chapter7.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Apply(Box<Term>, Box<Term>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/chapter7.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 08s
[INFO] running `Command { std: "docker" "inspect" "798d90bb4e0fa09e39d511a86d5b4a4f9d7089b5de29e11ceb49e4aa80af7657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798d90bb4e0fa09e39d511a86d5b4a4f9d7089b5de29e11ceb49e4aa80af7657", kill_on_drop: false }`
[INFO] [stdout] 798d90bb4e0fa09e39d511a86d5b4a4f9d7089b5de29e11ceb49e4aa80af7657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5f8452d2f4064748d6eea62c23ae76c39e8790d58bd24ede460fefee8490f70
[INFO] running `Command { std: "docker" "start" "-a" "b5f8452d2f4064748d6eea62c23ae76c39e8790d58bd24ede460fefee8490f70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tapl-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]   --> src/chapter7.rs:82:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn parse(token_stream: Vec<LexicalItem>) {}
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]   --> src/chapter7.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Variable(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/chapter7.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(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: variant is never constructed: `Abstraction`
[INFO] [stdout]   --> src/chapter7.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Abstraction(Box<Term>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/chapter7.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(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: variant is never constructed: `Apply`
[INFO] [stdout]   --> src/chapter7.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Apply(Box<Term>, Box<Term>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/chapter7.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "b5f8452d2f4064748d6eea62c23ae76c39e8790d58bd24ede460fefee8490f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f8452d2f4064748d6eea62c23ae76c39e8790d58bd24ede460fefee8490f70", kill_on_drop: false }`
[INFO] [stdout] b5f8452d2f4064748d6eea62c23ae76c39e8790d58bd24ede460fefee8490f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 381f42feee77f27a1254cfd5243cb3415dd0dc94619fcf231ad30523a05fc7db
[INFO] running `Command { std: "docker" "start" "-a" "381f42feee77f27a1254cfd5243cb3415dd0dc94619fcf231ad30523a05fc7db", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `token_stream`
[INFO] [stderr]   --> src/chapter7.rs:82:10
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn parse(token_stream: Vec<LexicalItem>) {}
[INFO] [stderr]    |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Variable`
[INFO] [stderr]   --> src/chapter7.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Variable(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/chapter7.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(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: variant is never constructed: `Abstraction`
[INFO] [stderr]   --> src/chapter7.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Abstraction(Box<Term>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/chapter7.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(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: variant is never constructed: `Apply`
[INFO] [stderr]   --> src/chapter7.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Apply(Box<Term>, Box<Term>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/chapter7.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(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: `tapl-rust` (bin "tapl-rust" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tapl_rust-7316597f47a821f1)
[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" "381f42feee77f27a1254cfd5243cb3415dd0dc94619fcf231ad30523a05fc7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381f42feee77f27a1254cfd5243cb3415dd0dc94619fcf231ad30523a05fc7db", kill_on_drop: false }`
[INFO] [stdout] 381f42feee77f27a1254cfd5243cb3415dd0dc94619fcf231ad30523a05fc7db