[INFO] cloning repository https://github.com/wjlewis/lammy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wjlewis/lammy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flammy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flammy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40c12e077781d5b52b952faa15bcc3061eb8cd97
[INFO] testing wjlewis/lammy against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flammy" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wjlewis/lammy on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wjlewis/lammy
[INFO] finished tweaking git repo https://github.com/wjlewis/lammy
[INFO] tweaked toml for git repo https://github.com/wjlewis/lammy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/wjlewis/lammy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 247e8889bd0a9af3420c937394a392e533311ab5d03186ab09f71c5b26cecf93
[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" "247e8889bd0a9af3420c937394a392e533311ab5d03186ab09f71c5b26cecf93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "247e8889bd0a9af3420c937394a392e533311ab5d03186ab09f71c5b26cecf93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247e8889bd0a9af3420c937394a392e533311ab5d03186ab09f71c5b26cecf93", kill_on_drop: false }`
[INFO] [stdout] 247e8889bd0a9af3420c937394a392e533311ab5d03186ab09f71c5b26cecf93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", 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] 6758cb4cb8662c3efe990582b9418f40a50312b3e442f3ec07a92a692c9f80b7
[INFO] running `Command { std: "docker" "start" "-a" "6758cb4cb8662c3efe990582b9418f40a50312b3e442f3ec07a92a692c9f80b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lammy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Index`
[INFO] [stdout]  --> src/terms/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Index(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Abs`
[INFO] [stdout]  --> src/terms/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Abs { body: Term },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `App`
[INFO] [stdout]   --> src/terms/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     App { rator: Term, rand: Term },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subst_in`
[INFO] [stdout]   --> src/terms/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn subst_in(&self, term: Term, index: usize) -> Term {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shift_free`
[INFO] [stdout]   --> src/terms/mod.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn shift_free(&self, amt: isize) -> Term {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `parse_alias_def`, `parse_import`, `parse_term`, `parse_terms`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     parse_alias_def, parse_import, parse_module, parse_term, parse_terms, Lexer, TreeBuilder,
[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 dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "6758cb4cb8662c3efe990582b9418f40a50312b3e442f3ec07a92a692c9f80b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6758cb4cb8662c3efe990582b9418f40a50312b3e442f3ec07a92a692c9f80b7", kill_on_drop: false }`
[INFO] [stdout] 6758cb4cb8662c3efe990582b9418f40a50312b3e442f3ec07a92a692c9f80b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43235ac7571de6726f83831a21caddde54b9beb0d493c08800324128eb0f31d5
[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" "43235ac7571de6726f83831a21caddde54b9beb0d493c08800324128eb0f31d5", kill_on_drop: false }`
[INFO] [stdout] warning: variant is never constructed: `Index`
[INFO] [stdout]  --> src/terms/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Index(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lammy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Abs`
[INFO] [stdout]  --> src/terms/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Abs { body: Term },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `App`
[INFO] [stdout]   --> src/terms/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     App { rator: Term, rand: Term },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subst_in`
[INFO] [stdout]   --> src/terms/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn subst_in(&self, term: Term, index: usize) -> Term {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shift_free`
[INFO] [stdout]   --> src/terms/mod.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn shift_free(&self, amt: isize) -> Term {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `parse_alias_def`, `parse_import`, `parse_term`, `parse_terms`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     parse_alias_def, parse_import, parse_module, parse_term, parse_terms, Lexer, TreeBuilder,
[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 1.16s
[INFO] running `Command { std: "docker" "inspect" "43235ac7571de6726f83831a21caddde54b9beb0d493c08800324128eb0f31d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43235ac7571de6726f83831a21caddde54b9beb0d493c08800324128eb0f31d5", kill_on_drop: false }`
[INFO] [stdout] 43235ac7571de6726f83831a21caddde54b9beb0d493c08800324128eb0f31d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] e9a20907d56c91a10f377551ad622787ed4956becebd1a85c5259322fcfd7d94
[INFO] running `Command { std: "docker" "start" "-a" "e9a20907d56c91a10f377551ad622787ed4956becebd1a85c5259322fcfd7d94", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `Index`
[INFO] [stdout] running 3 tests
[INFO] [stderr]  --> src/terms/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Index(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abs`
[INFO] [stderr]  --> src/terms/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Abs { body: Term },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `App`
[INFO] [stderr]   --> src/terms/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     App { rator: Term, rand: Term },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `subst_in`
[INFO] [stderr]   --> src/terms/mod.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn subst_in(&self, term: Term, index: usize) -> Term {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shift_free`
[INFO] [stderr]   --> src/terms/mod.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn shift_free(&self, amt: isize) -> Term {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `parse_alias_def`, `parse_import`, `parse_term`, `parse_terms`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     parse_alias_def, parse_import, parse_module, parse_term, parse_terms, Lexer, TreeBuilder,
[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 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lammy-64b00313a2ed5431)
[INFO] [stdout] test terms::tests::shift_free_down ... ok
[INFO] [stdout] test terms::tests::subst_in ... ok
[INFO] [stdout] test terms::tests::shift_free_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lammy-42e64e3c07f66785)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lammy
[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" "e9a20907d56c91a10f377551ad622787ed4956becebd1a85c5259322fcfd7d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a20907d56c91a10f377551ad622787ed4956becebd1a85c5259322fcfd7d94", kill_on_drop: false }`
[INFO] [stdout] e9a20907d56c91a10f377551ad622787ed4956becebd1a85c5259322fcfd7d94