[INFO] updating cached repository https://github.com/izzabelle/cistern2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff72b2d2d2c03948162357508e2680b7d1d2acbe
[INFO] testing izzabelle/cistern2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizzabelle%2Fcistern2" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izzabelle/cistern2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/izzabelle/cistern2
[INFO] finished tweaking git repo https://github.com/izzabelle/cistern2
[INFO] tweaked toml for git repo https://github.com/izzabelle/cistern2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/izzabelle/cistern2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d94ae71e7e7e3078cc107046cab45e92acf1f658e980715c2b0fa34d7a26f31
[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" "3d94ae71e7e7e3078cc107046cab45e92acf1f658e980715c2b0fa34d7a26f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d94ae71e7e7e3078cc107046cab45e92acf1f658e980715c2b0fa34d7a26f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d94ae71e7e7e3078cc107046cab45e92acf1f658e980715c2b0fa34d7a26f31", kill_on_drop: false }`
[INFO] [stdout] 3d94ae71e7e7e3078cc107046cab45e92acf1f658e980715c2b0fa34d7a26f31
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537e4290207e2d814284789ea624756a7463ab682bcc49be7c95ab9d731bd82a
[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" "537e4290207e2d814284789ea624756a7463ab682bcc49be7c95ab9d731bd82a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling serenity v0.8.0
[INFO] [stderr]    Compiling uwl v0.5.1
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling ct-logs v0.6.0
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.17.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling tungstenite v0.9.2
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-rustls v0.12.2
[INFO] [stderr]    Compiling rustls-native-certs v0.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling command_attr v0.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling hyper v0.13.2
[INFO] [stderr]    Compiling hyper-rustls v0.19.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling reqwest v0.10.1
[INFO] [stderr]    Compiling cistern_two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 50s
[INFO] running `Command { std: "docker" "inspect" "537e4290207e2d814284789ea624756a7463ab682bcc49be7c95ab9d731bd82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537e4290207e2d814284789ea624756a7463ab682bcc49be7c95ab9d731bd82a", kill_on_drop: false }`
[INFO] [stdout] 537e4290207e2d814284789ea624756a7463ab682bcc49be7c95ab9d731bd82a
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2010a38a0c0a6e4aa86e6c5a2e69ca4e8bb777898ccf4abfb9b1f30bf6190594
[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" "2010a38a0c0a6e4aa86e6c5a2e69ca4e8bb777898ccf4abfb9b1f30bf6190594", kill_on_drop: false }`
[INFO] [stderr]    Compiling cistern_two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "2010a38a0c0a6e4aa86e6c5a2e69ca4e8bb777898ccf4abfb9b1f30bf6190594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2010a38a0c0a6e4aa86e6c5a2e69ca4e8bb777898ccf4abfb9b1f30bf6190594", kill_on_drop: false }`
[INFO] [stdout] 2010a38a0c0a6e4aa86e6c5a2e69ca4e8bb777898ccf4abfb9b1f30bf6190594
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6425174ebae81b7c5a60060351d2f4cd636f4121cb9b039bcb680efd2acd40d9
[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" "6425174ebae81b7c5a60060351d2f4cd636f4121cb9b039bcb680efd2acd40d9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cistern_two-b790f6c6527a117f
[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] [stderr]      Running /opt/rustwide/target/debug/deps/cistern_two-2b328e163ea95437
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cistern_two
[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] [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" "6425174ebae81b7c5a60060351d2f4cd636f4121cb9b039bcb680efd2acd40d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6425174ebae81b7c5a60060351d2f4cd636f4121cb9b039bcb680efd2acd40d9", kill_on_drop: false }`
[INFO] [stdout] 6425174ebae81b7c5a60060351d2f4cd636f4121cb9b039bcb680efd2acd40d9