[INFO] cloning repository https://github.com/zyla/lambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyla/lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Flambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Flambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ef06e1b8f9c24c8299b2bf3c9200422dad8d47b
[INFO] testing zyla/lambda against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Flambda" "/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/zyla/lambda on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zyla/lambda
[INFO] finished tweaking git repo https://github.com/zyla/lambda
[INFO] tweaked toml for git repo https://github.com/zyla/lambda written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zyla/lambda already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3926f69b1f4fd35793818cfebc60b5b2f24b9f626b4ecfd9d6f7d61d1678844f
[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" "3926f69b1f4fd35793818cfebc60b5b2f24b9f626b4ecfd9d6f7d61d1678844f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3926f69b1f4fd35793818cfebc60b5b2f24b9f626b4ecfd9d6f7d61d1678844f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3926f69b1f4fd35793818cfebc60b5b2f24b9f626b4ecfd9d6f7d61d1678844f", kill_on_drop: false }`
[INFO] [stdout] 3926f69b1f4fd35793818cfebc60b5b2f24b9f626b4ecfd9d6f7d61d1678844f
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1fdb0efa4c956c24de88501c66d0ef46a64098ff2926b5d7c4b0e2c42f1d51d
[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" "f1fdb0efa4c956c24de88501c66d0ef46a64098ff2926b5d7c4b0e2c42f1d51d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/hm.rs:199:19
[INFO] [stdout]     |
[INFO] [stdout] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/hm.rs:199:22
[INFO] [stdout]     |
[INFO] [stdout] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "f1fdb0efa4c956c24de88501c66d0ef46a64098ff2926b5d7c4b0e2c42f1d51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fdb0efa4c956c24de88501c66d0ef46a64098ff2926b5d7c4b0e2c42f1d51d", kill_on_drop: false }`
[INFO] [stdout] f1fdb0efa4c956c24de88501c66d0ef46a64098ff2926b5d7c4b0e2c42f1d51d
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e56d49d74d74710c0d8c70222118bc3afe62f23a26061b9123770bc75bc9d934
[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" "e56d49d74d74710c0d8c70222118bc3afe62f23a26061b9123770bc75bc9d934", kill_on_drop: false }`
[INFO] [stderr]    Compiling lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/hm.rs:199:19
[INFO] [stdout]     |
[INFO] [stdout] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/hm.rs:199:22
[INFO] [stdout]     |
[INFO] [stdout] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Term::*`, `Type::*`
[INFO] [stdout]    --> src/hm.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use super::{Term::*, Type::*, *};
[INFO] [stdout]     |                 ^^^^^^^  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/hm.rs:199:19
[INFO] [stdout]     |
[INFO] [stdout] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/hm.rs:199:22
[INFO] [stdout]     |
[INFO] [stdout] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "e56d49d74d74710c0d8c70222118bc3afe62f23a26061b9123770bc75bc9d934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56d49d74d74710c0d8c70222118bc3afe62f23a26061b9123770bc75bc9d934", kill_on_drop: false }`
[INFO] [stdout] e56d49d74d74710c0d8c70222118bc3afe62f23a26061b9123770bc75bc9d934
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc08c8930572b2153ee81fa3aa00a879815e1e24a62dfc26de0c59b069c639e5
[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" "bc08c8930572b2153ee81fa3aa00a879815e1e24a62dfc26de0c59b069c639e5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/hm.rs:199:19
[INFO] [stderr]     |
[INFO] [stderr] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/hm.rs:199:22
[INFO] [stderr]     |
[INFO] [stderr] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Term::*`, `Type::*`
[INFO] [stderr]    --> src/hm.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |     use super::{Term::*, Type::*, *};
[INFO] [stderr]     |                 ^^^^^^^  ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/hm.rs:199:19
[INFO] [stderr]     |
[INFO] [stderr] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/hm.rs:199:22
[INFO] [stderr]     |
[INFO] [stderr] 199 |         Term::App(f, x) => unimplemented!(),
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lambda-469d405484291af4
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test hm::tests::test_instantiate_1 ... ok
[INFO] [stdout] test hm::tests::test_instantiate_2 ... ok
[INFO] [stdout] test stlc::tests::nested_lambda_1 ... ok
[INFO] [stdout] test stlc::tests::lam ... ok
[INFO] [stdout] test stlc::tests::nested_lambda_2 ... ok
[INFO] [stdout] test stlc::tests::shadowing ... ok
[INFO] [stdout] test stlc::tests::var ... ok
[INFO] [stdout] test stlc::tests::shadowing_2 ... ok
[INFO] [stdout] test hm::tests::test_instantiate_3 ... ok
[INFO] [stdout] test stlc::tests::app ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lambda
[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" "bc08c8930572b2153ee81fa3aa00a879815e1e24a62dfc26de0c59b069c639e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc08c8930572b2153ee81fa3aa00a879815e1e24a62dfc26de0c59b069c639e5", kill_on_drop: false }`
[INFO] [stdout] bc08c8930572b2153ee81fa3aa00a879815e1e24a62dfc26de0c59b069c639e5