[INFO] fetching crate fluid 0.4.1...
[INFO] testing fluid-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fluid 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fluid 0.4.1 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 crates.io crate fluid 0.4.1
[INFO] finished tweaking crates.io crate fluid 0.4.1
[INFO] tweaked toml for crates.io crate fluid 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba4ce52f4aa7db630e15122730427d6f4a6f8d7364645f2bbfa7e90bf6e5cf94
[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" "ba4ce52f4aa7db630e15122730427d6f4a6f8d7364645f2bbfa7e90bf6e5cf94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba4ce52f4aa7db630e15122730427d6f4a6f8d7364645f2bbfa7e90bf6e5cf94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4ce52f4aa7db630e15122730427d6f4a6f8d7364645f2bbfa7e90bf6e5cf94", kill_on_drop: false }`
[INFO] [stdout] ba4ce52f4aa7db630e15122730427d6f4a6f8d7364645f2bbfa7e90bf6e5cf94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aa8c262168484ff7abace5248278edc60c01e7430019e6ac4323bbbc18891ce
[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" "2aa8c262168484ff7abace5248278edc60c01e7430019e6ac4323bbbc18891ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling fluid_attributes v0.4.0
[INFO] [stderr]    Compiling fluid v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `Command { std: "docker" "inspect" "2aa8c262168484ff7abace5248278edc60c01e7430019e6ac4323bbbc18891ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa8c262168484ff7abace5248278edc60c01e7430019e6ac4323bbbc18891ce", kill_on_drop: false }`
[INFO] [stdout] 2aa8c262168484ff7abace5248278edc60c01e7430019e6ac4323bbbc18891ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ace5dd66815156eed958bbb7d58f14bb3ce113e89171a8a4d30ce8bc7d7a129
[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" "3ace5dd66815156eed958bbb7d58f14bb3ce113e89171a8a4d30ce8bc7d7a129", kill_on_drop: false }`
[INFO] [stderr]    Compiling fluid v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "3ace5dd66815156eed958bbb7d58f14bb3ce113e89171a8a4d30ce8bc7d7a129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ace5dd66815156eed958bbb7d58f14bb3ce113e89171a8a4d30ce8bc7d7a129", kill_on_drop: false }`
[INFO] [stdout] 3ace5dd66815156eed958bbb7d58f14bb3ce113e89171a8a4d30ce8bc7d7a129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 872cc58db16367c4813dc5465eaa7bd6a2e174f23d2c1d4a350be4eadeabb4c7
[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" "872cc58db16367c4813dc5465eaa7bd6a2e174f23d2c1d4a350be4eadeabb4c7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 31 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fluid-764dc6e42ff008aa
[INFO] [stdout] test assertions::iterator::tests::option_yield_assertion ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] test assertions::collection::be_empty::test::empty ... ok
[INFO] [stdout] test assertions::iterator::tests::result_yield_assertion ... ok
[INFO] [stdout] test assertions::iterator::tests::slice_yield_assertion ... ok
[INFO] [stdout] test tests::chained_both_negated_test ... ok
[INFO] [stdout] test tests::chained_negated_test_first_fails ... ok
[INFO] [stdout] test tests::chained_negated_test_second_fails ... ok
[INFO] [stdout] test tests::chained_test ... ok
[INFO] [stdout] test tests::session::content::case_foo ... FAILED
[INFO] [stdout] test tests::chained_test_first_fails ... ok
[INFO] [stdout] test tests::session::content::case_bar ... FAILED
[INFO] [stdout] test tests::session::dummy ... FAILED
[INFO] [stdout] test tests::session::content::case_qux ... FAILED
[INFO] [stdout] test tests::simple_test ... ok
[INFO] [stdout] test tests::session::theory_test::case_0 ... ok
[INFO] [stdout] test tests::simple_negated_test ... ok
[INFO] [stdout] test tests::simple_test_fails ... ok
[INFO] [stdout] test tests::simple_negated_test_fails ... ok
[INFO] [stdout] test tests::test_with_explanation ... ok
[INFO] [stdout] test tests::session::first_test ... ok
[INFO] [stdout] test tests::test_with_explanation_fails ... ok
[INFO] [stdout] test tests::is_even::case_4 ... ok
[INFO] [stdout] test wiki::theory::test::each_creature_has_a_correct_number_of_faces::case_cerberus_3 ... ok
[INFO] [stdout] test wiki::theory::test::each_creature_has_a_correct_number_of_faces::case_hydra_7 ... ok
[INFO] [stdout] test wiki::theory::test::each_creature_has_a_correct_number_of_faces::case_janus_2 ... ok
[INFO] [stdout] test tests::chained_second_negated_test ... ok
[INFO] [stdout] test tests::chained_test_second_fails ... ok
[INFO] [stdout] test wiki::theory::test::each_creature_has_a_correct_number_of_faces::case_normal_guy_1 ... ok
[INFO] [stdout] test tests::is_even::case_0 ... ok
[INFO] [stdout] test tests::is_even::case_2 ... ok
[INFO] [stdout] test tests::chained_first_negated_test ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::session::content::case_foo stdout ----
[INFO] [stdout] panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/tests/session.rs:47:10
[INFO] [stdout] 
[INFO] [stdout] ---- tests::session::content::case_bar stdout ----
[INFO] [stdout] panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/tests/session.rs:47:10
[INFO] [stdout] 
[INFO] [stdout] ---- tests::session::dummy stdout ----
[INFO] [stdout] panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/tests/session.rs:47:10
[INFO] [stdout] 
[INFO] [stdout] ---- tests::session::content::case_qux stdout ----
[INFO] [stdout] panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/tests/session.rs:47:10
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::session::content::case_bar
[INFO] [stdout]     tests::session::content::case_foo
[INFO] [stdout]     tests::session::content::case_qux
[INFO] [stdout]     tests::session::dummy
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 27 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "872cc58db16367c4813dc5465eaa7bd6a2e174f23d2c1d4a350be4eadeabb4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872cc58db16367c4813dc5465eaa7bd6a2e174f23d2c1d4a350be4eadeabb4c7", kill_on_drop: false }`
[INFO] [stdout] 872cc58db16367c4813dc5465eaa7bd6a2e174f23d2c1d4a350be4eadeabb4c7