[INFO] cloning repository https://github.com/IvanMalison/hola-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IvanMalison/hola-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvanMalison%2Fhola-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvanMalison%2Fhola-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47a11fb9fc570b2b0dd5598c431ddf8234fcd7d7
[INFO] testing IvanMalison/hola-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvanMalison%2Fhola-rust" "/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/IvanMalison/hola-rust 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 git repo https://github.com/IvanMalison/hola-rust
[INFO] finished tweaking git repo https://github.com/IvanMalison/hola-rust
[INFO] tweaked toml for git repo https://github.com/IvanMalison/hola-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/IvanMalison/hola-rust already has a lockfile, it will not be regenerated
[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-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" "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] cd65df9b92f414e875459b3ca74002a0247bca1432ffc151ae6c513dc3024f53
[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" "cd65df9b92f414e875459b3ca74002a0247bca1432ffc151ae6c513dc3024f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd65df9b92f414e875459b3ca74002a0247bca1432ffc151ae6c513dc3024f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd65df9b92f414e875459b3ca74002a0247bca1432ffc151ae6c513dc3024f53", kill_on_drop: false }`
[INFO] [stdout] cd65df9b92f414e875459b3ca74002a0247bca1432ffc151ae6c513dc3024f53
[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=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] dbcc13cbf8547948589d806e731b5188a922acf955f81bb0167b19a45de3e01b
[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" "dbcc13cbf8547948589d806e731b5188a922acf955f81bb0167b19a45de3e01b", kill_on_drop: false }`
[INFO] [stderr]    Compiling holarust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dyn_vs_impl.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn make_vector() -> Vec<Box<DynVsImpl>> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dyn_vs_impl.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut vec : Vec<Box<DynVsImpl>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_vector_impl`
[INFO] [stdout]   --> src/dyn_vs_impl.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn make_vector_impl() -> Vec<impl DynVsImpl> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "dbcc13cbf8547948589d806e731b5188a922acf955f81bb0167b19a45de3e01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbcc13cbf8547948589d806e731b5188a922acf955f81bb0167b19a45de3e01b", kill_on_drop: false }`
[INFO] [stdout] dbcc13cbf8547948589d806e731b5188a922acf955f81bb0167b19a45de3e01b
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5abb98faeec7e6138ec7ad29adc1207d1920e8a9b4020e494f13d265dd593217
[INFO] running `Command { std: "docker" "start" "-a" "5abb98faeec7e6138ec7ad29adc1207d1920e8a9b4020e494f13d265dd593217", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dyn_vs_impl.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn make_vector() -> Vec<Box<DynVsImpl>> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dyn_vs_impl.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut vec : Vec<Box<DynVsImpl>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_vector_impl`
[INFO] [stdout]   --> src/dyn_vs_impl.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn make_vector_impl() -> Vec<impl DynVsImpl> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling holarust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dyn_vs_impl.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn make_vector() -> Vec<Box<DynVsImpl>> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dyn_vs_impl.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut vec : Vec<Box<DynVsImpl>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_vector_impl`
[INFO] [stdout]   --> src/dyn_vs_impl.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn make_vector_impl() -> Vec<impl DynVsImpl> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "5abb98faeec7e6138ec7ad29adc1207d1920e8a9b4020e494f13d265dd593217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5abb98faeec7e6138ec7ad29adc1207d1920e8a9b4020e494f13d265dd593217", kill_on_drop: false }`
[INFO] [stdout] 5abb98faeec7e6138ec7ad29adc1207d1920e8a9b4020e494f13d265dd593217
[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=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] c45b755649424f1bdcacb336c74a9c3108a247cf3c0302afe87e8ecd5b282275
[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" "c45b755649424f1bdcacb336c74a9c3108a247cf3c0302afe87e8ecd5b282275", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dyn_vs_impl.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn make_vector() -> Vec<Box<DynVsImpl>> {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dyn_vs_impl.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut vec : Vec<Box<DynVsImpl>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_vector_impl`
[INFO] [stderr]   --> src/dyn_vs_impl.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn make_vector_impl() -> Vec<impl DynVsImpl> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dyn_vs_impl.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn make_vector() -> Vec<Box<DynVsImpl>> {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dyn_vs_impl.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut vec : Vec<Box<DynVsImpl>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_vector_impl`
[INFO] [stderr]   --> src/dyn_vs_impl.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn make_vector_impl() -> Vec<impl DynVsImpl> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/holarust-bcaa634aca591d77
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/holarust-c73ad14b794da8f2
[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] [stderr]    Doc-tests holarust
[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" "c45b755649424f1bdcacb336c74a9c3108a247cf3c0302afe87e8ecd5b282275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45b755649424f1bdcacb336c74a9c3108a247cf3c0302afe87e8ecd5b282275", kill_on_drop: false }`
[INFO] [stdout] c45b755649424f1bdcacb336c74a9c3108a247cf3c0302afe87e8ecd5b282275