[INFO] fetching crate tuple_list 0.1.2...
[INFO] testing tuple_list-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate tuple_list 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tuple_list 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuple_list 0.1.2
[INFO] finished tweaking crates.io crate tuple_list 0.1.2
[INFO] tweaked toml for crates.io crate tuple_list 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] e8265cd6ac6212ea2f76e9c71b4c2e1fe2af331a07a0cae190ed319dd693ac4d
[INFO] running `Command { std: "docker" "start" "-a" "e8265cd6ac6212ea2f76e9c71b4c2e1fe2af331a07a0cae190ed319dd693ac4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8265cd6ac6212ea2f76e9c71b4c2e1fe2af331a07a0cae190ed319dd693ac4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8265cd6ac6212ea2f76e9c71b4c2e1fe2af331a07a0cae190ed319dd693ac4d", kill_on_drop: false }`
[INFO] [stdout] e8265cd6ac6212ea2f76e9c71b4c2e1fe2af331a07a0cae190ed319dd693ac4d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] c962671ec8c5f0ac6c2f968fe27cd27a117ed736abfea3a4ccda624d3494ea43
[INFO] running `Command { std: "docker" "start" "-a" "c962671ec8c5f0ac6c2f968fe27cd27a117ed736abfea3a4ccda624d3494ea43", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuple_list v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c962671ec8c5f0ac6c2f968fe27cd27a117ed736abfea3a4ccda624d3494ea43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c962671ec8c5f0ac6c2f968fe27cd27a117ed736abfea3a4ccda624d3494ea43", kill_on_drop: false }`
[INFO] [stdout] c962671ec8c5f0ac6c2f968fe27cd27a117ed736abfea3a4ccda624d3494ea43
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 5227f7c28293f864655d0ba9e89679f1f995d2f5e0ffce7ecb3f02b463aa7257
[INFO] running `Command { std: "docker" "start" "-a" "5227f7c28293f864655d0ba9e89679f1f995d2f5e0ffce7ecb3f02b463aa7257", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuple_list v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "5227f7c28293f864655d0ba9e89679f1f995d2f5e0ffce7ecb3f02b463aa7257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5227f7c28293f864655d0ba9e89679f1f995d2f5e0ffce7ecb3f02b463aa7257", kill_on_drop: false }`
[INFO] [stdout] 5227f7c28293f864655d0ba9e89679f1f995d2f5e0ffce7ecb3f02b463aa7257
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f48eee2307e3f5c28bb19168fa7d44a5cdb228e815fd035f656c91bce26dffe4
[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" "f48eee2307e3f5c28bb19168fa7d44a5cdb228e815fd035f656c91bce26dffe4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tuple_list-ffb4ee6328ddd468
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::all_features ... ok
[INFO] [stdout] test tests::complex_values ... ok
[INFO] [stdout] test tests::complex_types ... ok
[INFO] [stdout] test tests::double ... ok
[INFO] [stdout] test tests::custom_display_tuple ... ok
[INFO] [stdout] test tests::plus_one_tuple_list_trait_with_lifetime ... ok
[INFO] [stdout] test tests::plus_one_tuple_list_trait_without_lifetime ... ok
[INFO] [stdout] test tests::single ... ok
[INFO] [stdout] test tests::swap_string_and_int_dual_traits_recursion ... ok
[INFO] [stdout] test tests::triple ... ok
[INFO] [stdout] test tests::tuple_list_size ... ok
[INFO] [stdout] test tests::value_single_trait ... ok
[INFO] [stdout] test tests::swap_string_and_int_tuple ... ok
[INFO] [stdout] test tests::trailing_comma ... ok
[INFO] [stdout] test tests::traits ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::plus_one_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tuple_list
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - (line 210) ... ok
[INFO] [stdout] test src/lib.rs - Tuple (line 518) ... ok
[INFO] [stdout] test src/lib.rs - (line 336) ... ok
[INFO] [stdout] test src/lib.rs - (line 267) ... ok
[INFO] [stdout] test src/lib.rs - AsTupleOfRefs (line 541) ... ok
[INFO] [stdout] test src/lib.rs - TupleList (line 483) ... ok
[INFO] [stdout] test src/lib.rs - tuple_list (line 662) ... ok
[INFO] [stdout] test src/lib.rs - tuple_list (line 676) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - TupleCons::cons (line 579) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] test src/lib.rs - NonEmptyTuple::uncons (line 626) ... ok
[INFO] [stdout] test src/lib.rs - (line 160) ... ok
[INFO] [stdout] test src/lib.rs - (line 395) ... ok
[INFO] [stdout] test src/lib.rs - tuple_list (line 695) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f48eee2307e3f5c28bb19168fa7d44a5cdb228e815fd035f656c91bce26dffe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48eee2307e3f5c28bb19168fa7d44a5cdb228e815fd035f656c91bce26dffe4", kill_on_drop: false }`
[INFO] [stdout] f48eee2307e3f5c28bb19168fa7d44a5cdb228e815fd035f656c91bce26dffe4