[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 beta-2021-01-01 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-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IvanMalison/hola-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-9/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 278f578f59d5efbd7fc2899cef62506a920be1766ee78fe8c24ebbcd74442bfe
[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" "278f578f59d5efbd7fc2899cef62506a920be1766ee78fe8c24ebbcd74442bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "278f578f59d5efbd7fc2899cef62506a920be1766ee78fe8c24ebbcd74442bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278f578f59d5efbd7fc2899cef62506a920be1766ee78fe8c24ebbcd74442bfe", kill_on_drop: false }`
[INFO] [stdout] 278f578f59d5efbd7fc2899cef62506a920be1766ee78fe8c24ebbcd74442bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 738abb9d5710b0fe1f7094bccf6a85827ce7f2c100f8b4814342232fc543a28b
[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" "738abb9d5710b0fe1f7094bccf6a85827ce7f2c100f8b4814342232fc543a28b", 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 1.82s
[INFO] running `Command { std: "docker" "inspect" "738abb9d5710b0fe1f7094bccf6a85827ce7f2c100f8b4814342232fc543a28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738abb9d5710b0fe1f7094bccf6a85827ce7f2c100f8b4814342232fc543a28b", kill_on_drop: false }`
[INFO] [stdout] 738abb9d5710b0fe1f7094bccf6a85827ce7f2c100f8b4814342232fc543a28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "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] f11ad3fca33a69538d1b294779a2f61816bdcbb912c60ed5ec35259af3bcccfe
[INFO] running `Command { std: "docker" "start" "-a" "f11ad3fca33a69538d1b294779a2f61816bdcbb912c60ed5ec35259af3bcccfe", 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] [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: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] [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 1.22s
[INFO] running `Command { std: "docker" "inspect" "f11ad3fca33a69538d1b294779a2f61816bdcbb912c60ed5ec35259af3bcccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11ad3fca33a69538d1b294779a2f61816bdcbb912c60ed5ec35259af3bcccfe", kill_on_drop: false }`
[INFO] [stdout] f11ad3fca33a69538d1b294779a2f61816bdcbb912c60ed5ec35259af3bcccfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96ace59f7f9661e16cc9f40882575d83c07172225a55bd050385e67fd4b26e26
[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" "96ace59f7f9661e16cc9f40882575d83c07172225a55bd050385e67fd4b26e26", kill_on_drop: false }`
[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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/holarust-b4194892be07b789
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/holarust-2c02302d3ad88ac4
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96ace59f7f9661e16cc9f40882575d83c07172225a55bd050385e67fd4b26e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ace59f7f9661e16cc9f40882575d83c07172225a55bd050385e67fd4b26e26", kill_on_drop: false }`
[INFO] [stdout] 96ace59f7f9661e16cc9f40882575d83c07172225a55bd050385e67fd4b26e26