[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 1.49.0 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-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyla/lambda on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-9/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae8b02fcfaf00ea642a534d510cfaf35ec6cb3fe2975b08ec4f8d6d9f085db51
[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" "ae8b02fcfaf00ea642a534d510cfaf35ec6cb3fe2975b08ec4f8d6d9f085db51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8b02fcfaf00ea642a534d510cfaf35ec6cb3fe2975b08ec4f8d6d9f085db51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8b02fcfaf00ea642a534d510cfaf35ec6cb3fe2975b08ec4f8d6d9f085db51", kill_on_drop: false }`
[INFO] [stdout] ae8b02fcfaf00ea642a534d510cfaf35ec6cb3fe2975b08ec4f8d6d9f085db51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74a3736e723b371de7916fe91da34c9e3de91b45816e82984c9f4f56c2338697
[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" "74a3736e723b371de7916fe91da34c9e3de91b45816e82984c9f4f56c2338697", 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 1.96s
[INFO] running `Command { std: "docker" "inspect" "74a3736e723b371de7916fe91da34c9e3de91b45816e82984c9f4f56c2338697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a3736e723b371de7916fe91da34c9e3de91b45816e82984c9f4f56c2338697", kill_on_drop: false }`
[INFO] [stdout] 74a3736e723b371de7916fe91da34c9e3de91b45816e82984c9f4f56c2338697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fadff3c49665c903a4afa0755dbc88b7a16de1e9ab0d3aba918a2d459e816aed
[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" "fadff3c49665c903a4afa0755dbc88b7a16de1e9ab0d3aba918a2d459e816aed", 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 1.99s
[INFO] running `Command { std: "docker" "inspect" "fadff3c49665c903a4afa0755dbc88b7a16de1e9ab0d3aba918a2d459e816aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadff3c49665c903a4afa0755dbc88b7a16de1e9ab0d3aba918a2d459e816aed", kill_on_drop: false }`
[INFO] [stdout] fadff3c49665c903a4afa0755dbc88b7a16de1e9ab0d3aba918a2d459e816aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69ea98c88bcc0aa7bc193c4f740be26d9685390ac989ebaeeb29afd7de280e11
[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" "69ea98c88bcc0aa7bc193c4f740be26d9685390ac989ebaeeb29afd7de280e11", 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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lambda-c2562c547f23130e
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test hm::tests::test_instantiate_2 ... ok
[INFO] [stdout] test stlc::tests::lam ... ok
[INFO] [stdout] test stlc::tests::nested_lambda_1 ... ok
[INFO] [stdout] test stlc::tests::nested_lambda_2 ... ok
[INFO] [stdout] test stlc::tests::shadowing ... ok
[INFO] [stdout] test stlc::tests::app ... ok
[INFO] [stdout] test hm::tests::test_instantiate_1 ... ok
[INFO] [stdout] test hm::tests::test_instantiate_3 ... ok
[INFO] [stdout] test stlc::tests::shadowing_2 ... ok
[INFO] [stdout] test stlc::tests::var ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69ea98c88bcc0aa7bc193c4f740be26d9685390ac989ebaeeb29afd7de280e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ea98c88bcc0aa7bc193c4f740be26d9685390ac989ebaeeb29afd7de280e11", kill_on_drop: false }`
[INFO] [stdout] 69ea98c88bcc0aa7bc193c4f740be26d9685390ac989ebaeeb29afd7de280e11