[INFO] cloning repository https://github.com/chris-zen/water-levels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chris-zen/water-levels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-zen%2Fwater-levels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-zen%2Fwater-levels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd119168eb49ad28a1de08c8e857d45625aa20e5
[INFO] testing chris-zen/water-levels against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-zen%2Fwater-levels" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chris-zen/water-levels on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/chris-zen/water-levels
[INFO] finished tweaking git repo https://github.com/chris-zen/water-levels
[INFO] tweaked toml for git repo https://github.com/chris-zen/water-levels written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chris-zen/water-levels already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df77bf44a67a8a2b6ba8c120380e52d27ba5cdd393f8dc862c62ee5a48aa2df9
[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" "df77bf44a67a8a2b6ba8c120380e52d27ba5cdd393f8dc862c62ee5a48aa2df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df77bf44a67a8a2b6ba8c120380e52d27ba5cdd393f8dc862c62ee5a48aa2df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df77bf44a67a8a2b6ba8c120380e52d27ba5cdd393f8dc862c62ee5a48aa2df9", kill_on_drop: false }`
[INFO] [stdout] df77bf44a67a8a2b6ba8c120380e52d27ba5cdd393f8dc862c62ee5a48aa2df9
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96852664ea74500e2787f9e906653aa44612cb27b39a8f93e55e5949e1c21359
[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" "96852664ea74500e2787f9e906653aa44612cb27b39a8f93e55e5949e1c21359", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling tokio-tungstenite v0.14.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling water-levels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "96852664ea74500e2787f9e906653aa44612cb27b39a8f93e55e5949e1c21359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96852664ea74500e2787f9e906653aa44612cb27b39a8f93e55e5949e1c21359", kill_on_drop: false }`
[INFO] [stdout] 96852664ea74500e2787f9e906653aa44612cb27b39a8f93e55e5949e1c21359
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cff847cc1d2c4b962bb39cabe6855e152671afdeec769ff474061533def90111
[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" "cff847cc1d2c4b962bb39cabe6855e152671afdeec769ff474061533def90111", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling water-levels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "cff847cc1d2c4b962bb39cabe6855e152671afdeec769ff474061533def90111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff847cc1d2c4b962bb39cabe6855e152671afdeec769ff474061533def90111", kill_on_drop: false }`
[INFO] [stdout] cff847cc1d2c4b962bb39cabe6855e152671afdeec769ff474061533def90111
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 3f8928dca389590dadff9a60e910e07d315222c1eb9fedf3bcc69a79c6cb2da7
[INFO] running `Command { std: "docker" "start" "-a" "3f8928dca389590dadff9a60e910e07d315222c1eb9fedf3bcc69a79c6cb2da7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/water_levels-db19cd85587b2c5e)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test simulation::tests::simulation_pause ... ok
[INFO] [stdout] test simulation::tests::simulation_new ... ok
[INFO] [stdout] test simulation::tests::simulation_forward_accumulates_water ... ok
[INFO] [stdout] test simulation::tests::simulation_forward_stops_running_when_finished ... ok
[INFO] [stdout] test simulation::tests::simulation_step_continues_running ... ok
[INFO] [stdout] test simulation::tests::simulation_forward_finishes ... ok
[INFO] [stdout] test simulation::tests::simulation_forward_continues_running ... ok
[INFO] [stdout] test simulation::tests::simulation_step_accumulates_water ... ok
[INFO] [stdout] test simulation::tests::simulation_resume_when_not_finished ... ok
[INFO] [stdout] test simulation::tests::simulation_start_forward_when_finished ... ok
[INFO] [stdout] test simulation::tests::simulation_start_forward_when_not_finished ... ok
[INFO] [stdout] test simulation::tests::simulation_start ... ok
[INFO] [stdout] test simulation::tests::simulation_step_adds_rain ... ok
[INFO] [stdout] test simulation::tests::simulation_step_finishes ... ok
[INFO] [stdout] test simulation::tests::simulation_resume_when_finished ... ok
[INFO] [stdout] test water_flow::tests::water_flow_rain_spill_equally_to_the_sides ... ok
[INFO] [stdout] test water_flow::tests::water_flow_new_builds_the_hierarchy_of_sinks ... ok
[INFO] [stdout] test water_flow::tests::water_flow_new_with_empty_terrain ... ok
[INFO] [stdout] test simulation::tests::simulation_step_when_not_started ... ok
[INFO] [stdout] test water_flow::tests::water_flow_new_initializes_landscape_and_water_levels ... ok
[INFO] [stdout] test simulation::tests::simulation_step_when_time_over_hours ... ok
[INFO] [stdout] test water_flow::tests::water_flow_rain_spill_with_recursion ... ok
[INFO] [stdout] test water_flow::tests::water_flow_rain_fill_simple_hierarchy ... ok
[INFO] [stdout] test water_flow::tests::water_flow_rain_fill_and_spill_binary_hierarchy ... ok
[INFO] [stdout] test protocol::tests::protocol_forward ... ok
[INFO] [stdout] test water_flow::tests::water_flow_rain_spill_with_recursion_and_fill_up ... ok
[INFO] [stdout] test water_flow::tests::water_flow_rain_total_volume_is_conserved_within_an_error_interval ... ok
[INFO] [stdout] test protocol::tests::protocol_forward_step ... ok
[INFO] [stdout] test protocol::tests::protocol_pause_and_resume ... ok
[INFO] [stdout] test protocol::tests::protocol_start ... ok
[INFO] [stdout] test protocol::tests::protocol_step ... ok
[INFO] [stdout] test tests::successful_connection ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f8928dca389590dadff9a60e910e07d315222c1eb9fedf3bcc69a79c6cb2da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8928dca389590dadff9a60e910e07d315222c1eb9fedf3bcc69a79c6cb2da7", kill_on_drop: false }`
[INFO] [stdout] 3f8928dca389590dadff9a60e910e07d315222c1eb9fedf3bcc69a79c6cb2da7