[INFO] fetching crate yt-tools 0.3.0...
[INFO] testing yt-tools-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate yt-tools 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yt-tools 0.3.0 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 yt-tools 0.3.0
[INFO] finished tweaking crates.io crate yt-tools 0.3.0
[INFO] tweaked toml for crates.io crate yt-tools 0.3.0 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 58eb669135df8b3b95dac98359143fdab17de45e5efd2b0cb34fd9fcebbd5bd8
[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" "58eb669135df8b3b95dac98359143fdab17de45e5efd2b0cb34fd9fcebbd5bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58eb669135df8b3b95dac98359143fdab17de45e5efd2b0cb34fd9fcebbd5bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58eb669135df8b3b95dac98359143fdab17de45e5efd2b0cb34fd9fcebbd5bd8", kill_on_drop: false }`
[INFO] [stdout] 58eb669135df8b3b95dac98359143fdab17de45e5efd2b0cb34fd9fcebbd5bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e31911f64e4b210f522d9946969263005a7565843341fbd66025b66da4bbaff8
[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" "e31911f64e4b210f522d9946969263005a7565843341fbd66025b66da4bbaff8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling yt-tools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/colormaps.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_normalizer(name: String) -> (fn(f64) -> f64) {
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` 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 28.36s
[INFO] running `Command { std: "docker" "inspect" "e31911f64e4b210f522d9946969263005a7565843341fbd66025b66da4bbaff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31911f64e4b210f522d9946969263005a7565843341fbd66025b66da4bbaff8", kill_on_drop: false }`
[INFO] [stdout] e31911f64e4b210f522d9946969263005a7565843341fbd66025b66da4bbaff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0f2ab51eba213406aa478a99642f067f6e5a242560e0ec0fd819bc7006735e77
[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" "0f2ab51eba213406aa478a99642f067f6e5a242560e0ec0fd819bc7006735e77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/colormaps.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_normalizer(name: String) -> (fn(f64) -> f64) {
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling js-sys v0.3.46
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.27
[INFO] [stderr]    Compiling wasm-bindgen-test v0.2.50
[INFO] [stderr]    Compiling yt-tools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/colormaps.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_normalizer(name: String) -> (fn(f64) -> f64) {
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `variable_mesh`
[INFO] [stdout]   --> src/fixed_resolution_buffer.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use variable_mesh;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         y = 0.0;
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "0f2ab51eba213406aa478a99642f067f6e5a242560e0ec0fd819bc7006735e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2ab51eba213406aa478a99642f067f6e5a242560e0ec0fd819bc7006735e77", kill_on_drop: false }`
[INFO] [stdout] 0f2ab51eba213406aa478a99642f067f6e5a242560e0ec0fd819bc7006735e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e79882292fe5e15e6f7940bc1c7045065582658af53e30024ba9d6f9ac97675e
[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" "e79882292fe5e15e6f7940bc1c7045065582658af53e30024ba9d6f9ac97675e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 8 tests
[INFO] [stderr]  --> src/colormaps.rs:7:40
[INFO] [stdout] test fixed_resolution_buffer::tests::create_fixed_res_buffer ... ok
[INFO] [stderr]   |
[INFO] [stdout] test colormaps::tests::create_colormap ... ok
[INFO] [stderr] 7 | pub fn get_normalizer(name: String) -> (fn(f64) -> f64) {
[INFO] [stdout] test colormaps::tests::create_colormap_collection ... ok
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] test variable_mesh::tests::create_variable_mesh ... ok
[INFO] [stderr]   |
[INFO] [stdout] test colormaps::tests::create_bad_colormap ... ok
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] test variable_mesh::tests::create_bad_variable_mesh ... ok
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/colormaps.rs:7:40
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_normalizer(name: String) -> (fn(f64) -> f64) {
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `variable_mesh`
[INFO] [stderr]   --> src/fixed_resolution_buffer.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     use variable_mesh;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]   --> src/lib.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         y = 0.0;
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yt_tools-1faf73ec0ca6c374
[INFO] [stdout] test tests::deposit_vm_fixed_res ... ok
[INFO] [stderr]    Doc-tests yt_tools
[INFO] [stdout] test variable_mesh::tests::test_iterator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> /opt/rustwide/workdir/src/colormaps.rs:7:40
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_normalizer(name: String) -> (fn(f64) -> f64) {
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "e79882292fe5e15e6f7940bc1c7045065582658af53e30024ba9d6f9ac97675e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79882292fe5e15e6f7940bc1c7045065582658af53e30024ba9d6f9ac97675e", kill_on_drop: false }`
[INFO] [stdout] e79882292fe5e15e6f7940bc1c7045065582658af53e30024ba9d6f9ac97675e