[INFO] cloning repository https://github.com/agarick/muck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agarick/muck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarick%2Fmuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarick%2Fmuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83475e937fe276f134100b58bc20fee535881442
[INFO] testing agarick/muck against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarick%2Fmuck" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agarick/muck on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agarick/muck
[INFO] finished tweaking git repo https://github.com/agarick/muck
[INFO] tweaked toml for git repo https://github.com/agarick/muck written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/agarick/muck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 409a3f1c0fcb3e34095b16ee6911eb0f265b1d923ddcc33f681c3fd4823ba0f0
[INFO] running `Command { std: "docker" "start" "-a" "409a3f1c0fcb3e34095b16ee6911eb0f265b1d923ddcc33f681c3fd4823ba0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409a3f1c0fcb3e34095b16ee6911eb0f265b1d923ddcc33f681c3fd4823ba0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409a3f1c0fcb3e34095b16ee6911eb0f265b1d923ddcc33f681c3fd4823ba0f0", kill_on_drop: false }`
[INFO] [stdout] 409a3f1c0fcb3e34095b16ee6911eb0f265b1d923ddcc33f681c3fd4823ba0f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a3de3cefe849c56eaa2908f2cfeb3dd7cd33643cc837c75c4eb7ca3923bfa3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4a3de3cefe849c56eaa2908f2cfeb3dd7cd33643cc837c75c4eb7ca3923bfa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling tack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Primitive`
[INFO] [stdout]   --> src/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Primitive(Pr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Special`
[INFO] [stdout]   --> src/parser.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Special(Sp),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `User`
[INFO] [stdout]   --> src/parser.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     User(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/parser.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Add, Sub, Mul, Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/parser.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Add, Sub, Mul, Div,
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]   --> src/parser.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Add, Sub, Mul, Div,
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/parser.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Add, Sub, Mul, Div,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/parser.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Cons, Car, Cdr, List
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Car`
[INFO] [stdout]   --> src/parser.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Cons, Car, Cdr, List
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cdr`
[INFO] [stdout]   --> src/parser.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Cons, Car, Cdr, List
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]   --> src/parser.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Cons, Car, Cdr, List
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Begin`
[INFO] [stdout]   --> src/parser.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Begin, Callcc, Define, If, Lambda, Let
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Callcc`
[INFO] [stdout]   --> src/parser.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Begin, Callcc, Define, If, Lambda, Let
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Define`
[INFO] [stdout]   --> src/parser.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Begin, Callcc, Define, If, Lambda, Let
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> src/parser.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Begin, Callcc, Define, If, Lambda, Let
[INFO] [stdout]    |                            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lambda`
[INFO] [stdout]   --> src/parser.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Begin, Callcc, Define, If, Lambda, Let
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]   --> src/parser.rs:43:40
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Begin, Callcc, Define, If, Lambda, Let
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "a4a3de3cefe849c56eaa2908f2cfeb3dd7cd33643cc837c75c4eb7ca3923bfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a3de3cefe849c56eaa2908f2cfeb3dd7cd33643cc837c75c4eb7ca3923bfa3", kill_on_drop: false }`
[INFO] [stdout] a4a3de3cefe849c56eaa2908f2cfeb3dd7cd33643cc837c75c4eb7ca3923bfa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8542427e43e4269a1b09b44455171446e96c5ee0e2f1122dd4789ce8532973e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8542427e43e4269a1b09b44455171446e96c5ee0e2f1122dd4789ce8532973e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "8542427e43e4269a1b09b44455171446e96c5ee0e2f1122dd4789ce8532973e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8542427e43e4269a1b09b44455171446e96c5ee0e2f1122dd4789ce8532973e3", kill_on_drop: false }`
[INFO] [stdout] 8542427e43e4269a1b09b44455171446e96c5ee0e2f1122dd4789ce8532973e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed24a3ff0d3938bbc498decced880bed57732fcae1afee49dfb4ed8a9b41063c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed24a3ff0d3938bbc498decced880bed57732fcae1afee49dfb4ed8a9b41063c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.56s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tack-9ddc808c56a6373e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test parser::primitive_op_parser ... ok
[INFO] [stdout] test parser::special_op_parser ... ok
[INFO] [stdout] test parser::string_parser ... ok
[INFO] [stdout] test parser::procedure_parser ... ok
[INFO] [stdout] test parser::user_op_parser ... ok
[INFO] [stdout] test parser::op_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed24a3ff0d3938bbc498decced880bed57732fcae1afee49dfb4ed8a9b41063c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed24a3ff0d3938bbc498decced880bed57732fcae1afee49dfb4ed8a9b41063c", kill_on_drop: false }`
[INFO] [stdout] ed24a3ff0d3938bbc498decced880bed57732fcae1afee49dfb4ed8a9b41063c
