[INFO] cloning repository https://github.com/BMHDAC/rustaceans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BMHDAC/rustaceans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMHDAC%2Frustaceans", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMHDAC%2Frustaceans'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e32e1aa2573e7c0334f2cb7512dbdd5cecbb563
[INFO] checking BMHDAC/rustaceans against master#f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMHDAC%2Frustaceans" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BMHDAC/rustaceans
[INFO] finished tweaking git repo https://github.com/BMHDAC/rustaceans
[INFO] tweaked toml for git repo https://github.com/BMHDAC/rustaceans written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BMHDAC/rustaceans on toolchain f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BMHDAC/rustaceans already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 097521bded8cd555b0fa28670979a707ed7a3a65b806bc92f01369ef810db164
[INFO] running `Command { std: "docker" "start" "-a" "097521bded8cd555b0fa28670979a707ed7a3a65b806bc92f01369ef810db164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097521bded8cd555b0fa28670979a707ed7a3a65b806bc92f01369ef810db164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097521bded8cd555b0fa28670979a707ed7a3a65b806bc92f01369ef810db164", kill_on_drop: false }`
[INFO] [stdout] 097521bded8cd555b0fa28670979a707ed7a3a65b806bc92f01369ef810db164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e0cc7a783698c50424f6c5d0081f9a7da5b1e7dafd85c41b804f0b52c739961
[INFO] running `Command { std: "docker" "start" "-a" "2e0cc7a783698c50424f6c5d0081f9a7da5b1e7dafd85c41b804f0b52c739961", kill_on_drop: false }`
[INFO] [stderr]     Checking rustaceans v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0614]: type `i32` cannot be dereferenced
[INFO] [stdout]   --> src/variables/memory.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     assert_eq!(*y, 42); // this is unreacheable
[INFO] [stdout]    |                ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `i32` cannot be dereferenced
[INFO] [stdout]   --> src/variables/memory.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     assert_eq!(*y, 42); // this is unreacheable
[INFO] [stdout]    |                ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `y`
[INFO] [stdout]   --> src/variables/ownership.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let y: Box<i32> = Box::new(69);
[INFO] [stdout]    |         - move occurs because `y` has type `Box<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |         let z = (x, y);
[INFO] [stdout]    |                     - value moved here
[INFO] [stdout] ...
[INFO] [stdout] 18 |     let y2 = y; // Box is not Copy, so it was moved into z
[INFO] [stdout]    |              ^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let z = (x, y.clone());
[INFO] [stdout]    |                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/variables/ownership.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let z = (x, y);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x2`
[INFO] [stdout]   --> src/variables/ownership.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let x2 = x; // x is copied so it's still here
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y2`
[INFO] [stdout]   --> src/variables/ownership.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let y2 = y; // Box is not Copy, so it was moved into z
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_y2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `y`
[INFO] [stdout]   --> src/variables/ownership.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let y: Box<i32> = Box::new(69);
[INFO] [stdout]    |         - move occurs because `y` has type `Box<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |         let z = (x, y);
[INFO] [stdout]    |                     - value moved here
[INFO] [stdout] ...
[INFO] [stdout] 18 |     let y2 = y; // Box is not Copy, so it was moved into z
[INFO] [stdout]    |              ^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let z = (x, y.clone());
[INFO] [stdout]    |                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/variables/ownership.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let z = (x, y);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x2`
[INFO] [stdout]   --> src/variables/ownership.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let x2 = x; // x is copied so it's still here
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y2`
[INFO] [stdout]   --> src/variables/ownership.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let y2 = y; // Box is not Copy, so it was moved into z
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_y2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0614.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0614.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustaceans` (bin "rustaceans" test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustaceans` (bin "rustaceans") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2e0cc7a783698c50424f6c5d0081f9a7da5b1e7dafd85c41b804f0b52c739961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0cc7a783698c50424f6c5d0081f9a7da5b1e7dafd85c41b804f0b52c739961", kill_on_drop: false }`
[INFO] [stdout] 2e0cc7a783698c50424f6c5d0081f9a7da5b1e7dafd85c41b804f0b52c739961
