[INFO] fetching crate gaiku-common 0.1.0...
[INFO] testing gaiku-common-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate gaiku-common 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gaiku-common 0.1.0 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 gaiku-common 0.1.0
[INFO] finished tweaking crates.io crate gaiku-common 0.1.0
[INFO] tweaked toml for crates.io crate gaiku-common 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 6f1b6f892341343c3156ce00339ea23e21683688c47b6c393515f234a8d9f3c8
[INFO] running `Command { std: "docker" "start" "-a" "6f1b6f892341343c3156ce00339ea23e21683688c47b6c393515f234a8d9f3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f1b6f892341343c3156ce00339ea23e21683688c47b6c393515f234a8d9f3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1b6f892341343c3156ce00339ea23e21683688c47b6c393515f234a8d9f3c8", kill_on_drop: false }`
[INFO] [stdout] 6f1b6f892341343c3156ce00339ea23e21683688c47b6c393515f234a8d9f3c8
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 35f8c5866864ffd99b823212b308abf79d45955ff1d1249fa43ae8f9813a6fa2
[INFO] running `Command { std: "docker" "start" "-a" "35f8c5866864ffd99b823212b308abf79d45955ff1d1249fa43ae8f9813a6fa2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling decorum v0.1.3
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling nalgebra v0.17.3
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling gaiku-common v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `neighbor`
[INFO] [stdout]   --> src/data/chunk.rs:62:40
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn update_neighbor_data(&self, neighbor: &Chunk) {
[INFO] [stdout]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.98s
[INFO] running `Command { std: "docker" "inspect" "35f8c5866864ffd99b823212b308abf79d45955ff1d1249fa43ae8f9813a6fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f8c5866864ffd99b823212b308abf79d45955ff1d1249fa43ae8f9813a6fa2", kill_on_drop: false }`
[INFO] [stdout] 35f8c5866864ffd99b823212b308abf79d45955ff1d1249fa43ae8f9813a6fa2
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] e358438550190572b8e7b220e34f2a1aeea857c1b0c82f7dc9910b4fa07b10a8
[INFO] running `Command { std: "docker" "start" "-a" "e358438550190572b8e7b220e34f2a1aeea857c1b0c82f7dc9910b4fa07b10a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gaiku-common v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `neighbor`
[INFO] [stdout]   --> src/data/chunk.rs:62:40
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn update_neighbor_data(&self, neighbor: &Chunk) {
[INFO] [stdout]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `neighbor`
[INFO] [stdout]   --> src/data/chunk.rs:62:40
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn update_neighbor_data(&self, neighbor: &Chunk) {
[INFO] [stdout]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "e358438550190572b8e7b220e34f2a1aeea857c1b0c82f7dc9910b4fa07b10a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e358438550190572b8e7b220e34f2a1aeea857c1b0c82f7dc9910b4fa07b10a8", kill_on_drop: false }`
[INFO] [stdout] e358438550190572b8e7b220e34f2a1aeea857c1b0c82f7dc9910b4fa07b10a8
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a94a2de7e91e867d07e9c6502fb029a005a5c09f35751ca67702f331a112c5b8
[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" "a94a2de7e91e867d07e9c6502fb029a005a5c09f35751ca67702f331a112c5b8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `neighbor`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/data/chunk.rs:62:40
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 62 |     pub fn update_neighbor_data(&self, neighbor: &Chunk) {
[INFO] [stdout] 
[INFO] [stderr]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `neighbor`
[INFO] [stderr]   --> src/data/chunk.rs:62:40
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn update_neighbor_data(&self, neighbor: &Chunk) {
[INFO] [stderr]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gaiku_common-621d9c2a270d162b
[INFO] [stderr]    Doc-tests gaiku-common
[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" "a94a2de7e91e867d07e9c6502fb029a005a5c09f35751ca67702f331a112c5b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94a2de7e91e867d07e9c6502fb029a005a5c09f35751ca67702f331a112c5b8", kill_on_drop: false }`
[INFO] [stdout] a94a2de7e91e867d07e9c6502fb029a005a5c09f35751ca67702f331a112c5b8