[INFO] fetching crate rusttyc 0.4.2...
[INFO] testing rusttyc-0.4.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rusttyc 0.4.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rusttyc 0.4.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusttyc 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rusttyc 0.4.2
[INFO] tweaked toml for crates.io crate rusttyc 0.4.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rusttyc 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20dc8fdfaabf0aea3acfebfad72957ba38f6d4b05610947c18f42057d4a51c19
[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" "20dc8fdfaabf0aea3acfebfad72957ba38f6d4b05610947c18f42057d4a51c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20dc8fdfaabf0aea3acfebfad72957ba38f6d4b05610947c18f42057d4a51c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20dc8fdfaabf0aea3acfebfad72957ba38f6d4b05610947c18f42057d4a51c19", kill_on_drop: false }`
[INFO] [stdout] 20dc8fdfaabf0aea3acfebfad72957ba38f6d4b05610947c18f42057d4a51c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc21fd696ab6b88ce7df8d4da82e9088edc0841bc76ec6e46bb462dd3839261c
[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" "bc21fd696ab6b88ce7df8d4da82e9088edc0841bc76ec6e46bb462dd3839261c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusttyc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "bc21fd696ab6b88ce7df8d4da82e9088edc0841bc76ec6e46bb462dd3839261c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc21fd696ab6b88ce7df8d4da82e9088edc0841bc76ec6e46bb462dd3839261c", kill_on_drop: false }`
[INFO] [stdout] bc21fd696ab6b88ce7df8d4da82e9088edc0841bc76ec6e46bb462dd3839261c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a0e98e9ac8d4670e3b706a689e97bd210d4b4fa2b04858f61998cd7dd1d4a49
[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" "4a0e98e9ac8d4670e3b706a689e97bd210d4b4fa2b04858f61998cd7dd1d4a49", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusttyc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> examples/parametrized_function.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             &params;
[INFO] [stdout]     |             ^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let _ = &params;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "4a0e98e9ac8d4670e3b706a689e97bd210d4b4fa2b04858f61998cd7dd1d4a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0e98e9ac8d4670e3b706a689e97bd210d4b4fa2b04858f61998cd7dd1d4a49", kill_on_drop: false }`
[INFO] [stdout] 4a0e98e9ac8d4670e3b706a689e97bd210d4b4fa2b04858f61998cd7dd1d4a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] e78181b43bbb61177cd35dfcc4e4beccaa746ee9cbe9375749c0571276693ccd
[INFO] running `Command { std: "docker" "start" "-a" "e78181b43bbb61177cd35dfcc4e4beccaa746ee9cbe9375749c0571276693ccd", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> examples/parametrized_function.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             &params;
[INFO] [stderr]     |             ^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let _ = &params;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rusttyc` (example "parametrized_function") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusttyc-18d266b8b191e9b8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bound_by_concrete_transitive ... ok
[INFO] [stdout] test tests::test_variable_dedup ... ok
[INFO] [stdout] test tests::test_asym_separation ... ok
[INFO] [stdout] test tests::failing_type_check ... ok
[INFO] [stdout] test tests::test_asym_simple ... ok
[INFO] [stdout] test tests::complex_type_check ... ok
[INFO] [stdout] test tests::test_meet ... ok
[INFO] [stderr]    Doc-tests rusttyc
[INFO] [stdout] test tests::create_different_types ... ok
[INFO] [stdout] test tests::test_asym_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: lint `broken_intra_doc_links` has been renamed to `rustdoc::broken_intra_doc_links`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     broken_intra_doc_links,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::broken_intra_doc_links`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/keys.rs - keys::TcKey (line 48) ... ok
[INFO] [stdout] test src/keys.rs - keys::TcKey (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e78181b43bbb61177cd35dfcc4e4beccaa746ee9cbe9375749c0571276693ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78181b43bbb61177cd35dfcc4e4beccaa746ee9cbe9375749c0571276693ccd", kill_on_drop: false }`
[INFO] [stdout] e78181b43bbb61177cd35dfcc4e4beccaa746ee9cbe9375749c0571276693ccd