[INFO] cloning repository https://github.com/sunjay/lion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunjay/lion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97daa3de1a7e7714432c2a6d04b11a0ce35d4ec8
[INFO] testing sunjay/lion against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunjay/lion on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunjay/lion
[INFO] finished tweaking git repo https://github.com/sunjay/lion
[INFO] tweaked toml for git repo https://github.com/sunjay/lion written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/sunjay/lion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff0346a9d4dc8b53596fad93239e7ce7348b8c328e2e660ee881d28af1c933ee
[INFO] running `Command { std: "docker" "start" "-a" "ff0346a9d4dc8b53596fad93239e7ce7348b8c328e2e660ee881d28af1c933ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff0346a9d4dc8b53596fad93239e7ce7348b8c328e2e660ee881d28af1c933ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0346a9d4dc8b53596fad93239e7ce7348b8c328e2e660ee881d28af1c933ee", kill_on_drop: false }`
[INFO] [stdout] ff0346a9d4dc8b53596fad93239e7ce7348b8c328e2e660ee881d28af1c933ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29385369a9d0fe4b43fe40197a7a7ff0d5014e2680a799b6560240b1127b1e41
[INFO] running `Command { std: "docker" "start" "-a" "29385369a9d0fe4b43fe40197a7a7ff0d5014e2680a799b6560240b1127b1e41", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling smallstr v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling nom_locate v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]    Compiling bigdecimal v0.1.0
[INFO] [stderr]    Compiling mortal v0.2.0
[INFO] [stderr]    Compiling linefeed v0.6.0
[INFO] [stderr]    Compiling lion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/unit_graph.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     end: CanonicalUnit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/symbols.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         span: Span<'a>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.78s
[INFO] running `Command { std: "docker" "inspect" "29385369a9d0fe4b43fe40197a7a7ff0d5014e2680a799b6560240b1127b1e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29385369a9d0fe4b43fe40197a7a7ff0d5014e2680a799b6560240b1127b1e41", kill_on_drop: false }`
[INFO] [stdout] 29385369a9d0fe4b43fe40197a7a7ff0d5014e2680a799b6560240b1127b1e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e14fa0287af386cd985fa5b86f65829cf2a285c32dbd5afa63c266d9d0f98d62
[INFO] running `Command { std: "docker" "start" "-a" "e14fa0287af386cd985fa5b86f65829cf2a285c32dbd5afa63c266d9d0f98d62", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/unit_graph.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     end: CanonicalUnit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/symbols.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         span: Span<'a>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling lion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/unit_graph.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     end: CanonicalUnit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/symbols.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         span: Span<'a>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/ast.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         UnitName::from("");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/ast.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         UnitName::from("_");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.11s
[INFO] running `Command { std: "docker" "inspect" "e14fa0287af386cd985fa5b86f65829cf2a285c32dbd5afa63c266d9d0f98d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14fa0287af386cd985fa5b86f65829cf2a285c32dbd5afa63c266d9d0f98d62", kill_on_drop: false }`
[INFO] [stdout] e14fa0287af386cd985fa5b86f65829cf2a285c32dbd5afa63c266d9d0f98d62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89e73c4b3658e639bf07b4c969b8f9e75c543bedda1d248b77825f433fecfad8
[INFO] running `Command { std: "docker" "start" "-a" "89e73c4b3658e639bf07b4c969b8f9e75c543bedda1d248b77825f433fecfad8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]   --> src/unit_graph.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     end: CanonicalUnit,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `span`
[INFO] [stderr]   --> src/symbols.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         span: Span<'a>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stderr]    --> src/ast.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         UnitName::from("");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stderr]    --> src/ast.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |         UnitName::from("_");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lion` (lib) generated 2 warnings
[INFO] [stderr] warning: `lion` (lib test) generated 4 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.72s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lion-183188433766bbd6)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test parser::tests::comment_parser ... ok
[INFO] [stdout] test parser::tests::whitespace_parser ... ok
[INFO] [stdout] test parser::tests::unitfactor_parser ... ok
[INFO] [stdout] test parser::tests::unit_parser ... ok
[INFO] [stdout] test canonical::tests::division ... ok
[INFO] [stdout] test canonical::tests::multiplication ... ok
[INFO] [stdout] test parser::tests::compound_unit_parser ... ok
[INFO] [stdout] test canonical::tests::pow ... ok
[INFO] [stdout] test parser::tests::program_parser ... ok
[INFO] [stdout] test parser::tests::float_literal_parser ... ok
[INFO] [stdout] test ast::tests::format_unit_name ... ok
[INFO] [stdout] test unit_graph::tests::unitless_exists ... ok
[INFO] [stdout] test parser::tests::unitpow_parser ... ok
[INFO] [stdout] test parser::tests::integer_literal_parser ... ok
[INFO] [stdout] test parser::tests::whitespace_comment_parser ... ok
[INFO] [stdout] test parser::tests::let_decl_parser ... ok
[INFO] [stdout] test parser::tests::ident_path_parser ... ok
[INFO] [stdout] test parser::tests::function_parser ... ok
[INFO] [stdout] test parser::tests::numeric_literal_parser ... ok
[INFO] [stdout] test parser::tests::unitterm_parser ... ok
[INFO] [stdout] test parser::tests::ident_parser ... ok
[INFO] [stdout] test parser::tests::expr_parser ... ok
[INFO] [stdout] test interpreter::tests::conversions ... ok
[INFO] [stdout] test interpreter::tests::readme ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lion-f44840249630f8e0)
[INFO] [stdout] test ast::tests::unit_name_empty - should panic ... ok
[INFO] [stdout] test ast::tests::unit_name_unitless - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lion
[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] [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" "89e73c4b3658e639bf07b4c969b8f9e75c543bedda1d248b77825f433fecfad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e73c4b3658e639bf07b4c969b8f9e75c543bedda1d248b77825f433fecfad8", kill_on_drop: false }`
[INFO] [stdout] 89e73c4b3658e639bf07b4c969b8f9e75c543bedda1d248b77825f433fecfad8