[INFO] cloning repository https://github.com/gilcu2/hello_cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilcu2/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6a417b071622947dab633ba53d70b96ebb40850
[INFO] checking gilcu2/hello_cargo against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilcu2/hello_cargo on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilcu2/hello_cargo
[INFO] finished tweaking git repo https://github.com/gilcu2/hello_cargo
[INFO] tweaked toml for git repo https://github.com/gilcu2/hello_cargo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gilcu2/hello_cargo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-new v0.5.6
[INFO] [stderr]   Downloaded rspec v1.0.0-beta.4
[INFO] [stderr]   Downloaded vectors v0.3.0
[INFO] [stderr]   Downloaded ordered_iter v0.1.1
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[INFO] [stderr]   Downloaded optimization v0.1.0
[INFO] [stderr]   Downloaded rulinalg v0.3.7
[INFO] [stderr]   Downloaded rusty-machine v0.5.4
[INFO] [stderr]   Downloaded rustlearn v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdc3c2c7078ff6f11b79e57973ee63c4eb9bc9d5457e0dbe4cb2d623e347766f
[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" "fdc3c2c7078ff6f11b79e57973ee63c4eb9bc9d5457e0dbe4cb2d623e347766f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc3c2c7078ff6f11b79e57973ee63c4eb9bc9d5457e0dbe4cb2d623e347766f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc3c2c7078ff6f11b79e57973ee63c4eb9bc9d5457e0dbe4cb2d623e347766f", kill_on_drop: false }`
[INFO] [stdout] fdc3c2c7078ff6f11b79e57973ee63c4eb9bc9d5457e0dbe4cb2d623e347766f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--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] 5742b854ecad512b5248d4dff542d707636837790ffe3e2f14a1bd1afd77fe40
[INFO] running `Command { std: "docker" "start" "-a" "5742b854ecad512b5248d4dff542d707636837790ffe3e2f14a1bd1afd77fe40", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-iter v0.1.37
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking num-complex v0.2.1
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[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tokio-io v0.1.12
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[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking num v0.1.42
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[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking parking_lot v0.7.1
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[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rspec v1.0.0-beta.4
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0469]: imported macro not found
[INFO] [stdout]  --> src/bin/vectors.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use(dense_vec, sparse_vec)]
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0469]: imported macro not found
[INFO] [stdout]  --> src/bin/vectors.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use(dense_vec, sparse_vec)]
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0469]: imported macro not found
[INFO] [stdout]  --> src/bin/vectors.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use(dense_vec, sparse_vec)]
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0469]: imported macro not found
[INFO] [stdout]  --> src/bin/vectors.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use(dense_vec, sparse_vec)]
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0580]: `main` function has wrong type
[INFO] [stdout]  --> src/bin/vptree.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / extern
[INFO] [stdout] 2 | |
[INFO] [stdout] 3 | | fn main() {}
[INFO] [stdout]   | |____________^ expected "Rust" fn, found "C" fn
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected fn pointer `fn()`
[INFO] [stdout]              found fn pointer `extern "C" fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0580`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_cargo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/bin/local_actors.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn started(&mut self, ctx: &mut Context<Self>) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/bin/local_actors.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn stopped(&mut self, ctx: &mut Context<Self>) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/bin/local_actors.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/bin/local_actors.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/bin/local_actors.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn started(&mut self, ctx: &mut Context<Self>) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/bin/local_actors.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn stopped(&mut self, ctx: &mut Context<Self>) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/bin/local_actors.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/bin/local_actors.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `vectors::heap`
[INFO] [stdout]  --> src/bin/vectors.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vectors::heap::{SparseVector, DenseVector};
[INFO] [stdout]   |              ^^^^ could not find `heap` in `vectors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vectors::Vector`
[INFO] [stdout]  --> src/bin/vectors.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use vectors::Vector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0469.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `vectors::heap`
[INFO] [stdout]  --> src/bin/vectors.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vectors::heap::{SparseVector, DenseVector};
[INFO] [stdout]   |              ^^^^ could not find `heap` in `vectors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vectors::Vector`
[INFO] [stdout]  --> src/bin/vectors.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use vectors::Vector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0469.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5742b854ecad512b5248d4dff542d707636837790ffe3e2f14a1bd1afd77fe40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5742b854ecad512b5248d4dff542d707636837790ffe3e2f14a1bd1afd77fe40", kill_on_drop: false }`
[INFO] [stdout] 5742b854ecad512b5248d4dff542d707636837790ffe3e2f14a1bd1afd77fe40