[INFO] fetching crate type-variance 0.1.0...
[INFO] testing type-variance-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate type-variance 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate type-variance 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate type-variance 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate type-variance 0.1.0
[INFO] tweaked toml for crates.io crate type-variance 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85ad4937166d29a2b0576120c4870e96b9797ef1ce486fc239096cde7a86ee11
[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" "85ad4937166d29a2b0576120c4870e96b9797ef1ce486fc239096cde7a86ee11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85ad4937166d29a2b0576120c4870e96b9797ef1ce486fc239096cde7a86ee11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ad4937166d29a2b0576120c4870e96b9797ef1ce486fc239096cde7a86ee11", kill_on_drop: false }`
[INFO] [stdout] 85ad4937166d29a2b0576120c4870e96b9797ef1ce486fc239096cde7a86ee11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7c360d4e26598e75a7f3979198e06c5eb21429c443188c10d09e2cd10e2d620
[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" "b7c360d4e26598e75a7f3979198e06c5eb21429c443188c10d09e2cd10e2d620", kill_on_drop: false }`
[INFO] [stderr]    Compiling type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "b7c360d4e26598e75a7f3979198e06c5eb21429c443188c10d09e2cd10e2d620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c360d4e26598e75a7f3979198e06c5eb21429c443188c10d09e2cd10e2d620", kill_on_drop: false }`
[INFO] [stdout] b7c360d4e26598e75a7f3979198e06c5eb21429c443188c10d09e2cd10e2d620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 73ed4ca4cd8c211f35e9ac28e36941e23a78a5f3d421d7e805fbd0122b44781f
[INFO] running `Command { std: "docker" "start" "-a" "73ed4ca4cd8c211f35e9ac28e36941e23a78a5f3d421d7e805fbd0122b44781f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]    Compiling type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.58s
[INFO] running `Command { std: "docker" "inspect" "73ed4ca4cd8c211f35e9ac28e36941e23a78a5f3d421d7e805fbd0122b44781f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ed4ca4cd8c211f35e9ac28e36941e23a78a5f3d421d7e805fbd0122b44781f", kill_on_drop: false }`
[INFO] [stdout] 73ed4ca4cd8c211f35e9ac28e36941e23a78a5f3d421d7e805fbd0122b44781f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e4fe96e94c35aebf0348cbc2d3ef619528e384c16f56a276abc0605add96415
[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" "2e4fe96e94c35aebf0348cbc2d3ef619528e384c16f56a276abc0605add96415", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/type_variance-f8257ae387601d45
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::co_contra ... ok
[INFO] [stdout] test tests::covariant ... ok
[INFO] [stdout] test tests::contravariant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/failure_tests-ffbc68b754e17062
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Checking type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking type-variance-tests v0.0.0 (/opt/rustwide/target/tests/type-variance)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/fail_covariant.rs ... ok
[INFO] [stderr] test tests/fail_contravariant.rs ... ok
[INFO] [stderr] test tests/fail_invariant_covariant.rs ... ok
[INFO] [stderr] test tests/fail_invariant_contravariant.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]    Doc-tests type-variance
[INFO] [stdout] test failure_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - Lifetime (line 165) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/lib.rs - variance (line 187) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e4fe96e94c35aebf0348cbc2d3ef619528e384c16f56a276abc0605add96415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4fe96e94c35aebf0348cbc2d3ef619528e384c16f56a276abc0605add96415", kill_on_drop: false }`
[INFO] [stdout] 2e4fe96e94c35aebf0348cbc2d3ef619528e384c16f56a276abc0605add96415