[INFO] cloning repository https://github.com/seccompgeek/rust-ds
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seccompgeek/rust-ds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseccompgeek%2Frust-ds", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseccompgeek%2Frust-ds'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a660f98ebab9ce0e334909b1f405b48ef16334f
[INFO] checking seccompgeek/rust-ds against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseccompgeek%2Frust-ds" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/seccompgeek/rust-ds
[INFO] finished tweaking git repo https://github.com/seccompgeek/rust-ds
[INFO] tweaked toml for git repo https://github.com/seccompgeek/rust-ds written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seccompgeek/rust-ds on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seccompgeek/rust-ds 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking seccompgeek/rust-ds against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseccompgeek%2Frust-ds" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/seccompgeek/rust-ds
[INFO] finished tweaking git repo https://github.com/seccompgeek/rust-ds
[INFO] tweaked toml for git repo https://github.com/seccompgeek/rust-ds written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seccompgeek/rust-ds on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seccompgeek/rust-ds 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4
[INFO] running `Command { std: "docker" "start" "b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `add`, `remove`, `contains`
[INFO] [stdout]   --> src/binary_tree.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Collection for BinaryTree {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `add`, `remove`, `contains` in implementation
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     fn add(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------ `add` from trait
[INFO] [stdout] ...
[INFO] [stdout]  9 |     fn remove(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     --------------------------------------- `remove` from trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn contains(&self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------- `contains` from trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `add`, `remove`, `contains`
[INFO] [stdout]   --> src/dll.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Collection for DLL {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ missing `add`, `remove`, `contains` in implementation
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     fn add(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------ `add` from trait
[INFO] [stdout] ...
[INFO] [stdout]  9 |     fn remove(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     --------------------------------------- `remove` from trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn contains(&self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------- `contains` from trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `add`, `remove`, `contains`
[INFO] [stdout]   --> src/sll.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Collection for SLL {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ missing `add`, `remove`, `contains` in implementation
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     fn add(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------ `add` from trait
[INFO] [stdout] ...
[INFO] [stdout]  9 |     fn remove(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     --------------------------------------- `remove` from trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn contains(&self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------- `contains` from trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/binary_tree.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     use rand::Rng;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `add`, `remove`, `contains`
[INFO] [stdout]   --> src/binary_tree.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Collection for BinaryTree {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `add`, `remove`, `contains` in implementation
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     fn add(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------ `add` from trait
[INFO] [stdout] ...
[INFO] [stdout]  9 |     fn remove(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     --------------------------------------- `remove` from trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn contains(&self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------- `contains` from trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `add`, `remove`, `contains`
[INFO] [stdout]   --> src/dll.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Collection for DLL {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ missing `add`, `remove`, `contains` in implementation
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     fn add(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------ `add` from trait
[INFO] [stdout] ...
[INFO] [stdout]  9 |     fn remove(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     --------------------------------------- `remove` from trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn contains(&self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------- `contains` from trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `add`, `remove`, `contains`
[INFO] [stdout]   --> src/sll.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Collection for SLL {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ missing `add`, `remove`, `contains` in implementation
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     fn add(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------ `add` from trait
[INFO] [stdout] ...
[INFO] [stdout]  9 |     fn remove(&mut self, key: i32) -> bool;
[INFO] [stdout]    |     --------------------------------------- `remove` from trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn contains(&self, key: i32) -> bool;
[INFO] [stdout]    |     ------------------------------------- `contains` from trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/binary_tree.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new() -> Self {}
[INFO] [stdout]    |            ---      ^^^^ expected `BinaryTree`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/dll.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Self {}
[INFO] [stdout]    |            ---      ^^^^ expected `DLL`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/sll.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new() -> Self {}
[INFO] [stdout]    |            ---      ^^^^ expected `SLL`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/binary_tree.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new() -> Self {}
[INFO] [stdout]    |            ---      ^^^^ expected `BinaryTree`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data-structures` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/dll.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Self {}
[INFO] [stdout]    |            ---      ^^^^ expected `DLL`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/sll.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new() -> Self {}
[INFO] [stdout]    |            ---      ^^^^ expected `SLL`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data-structures` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4", kill_on_drop: false }`
[INFO] [stdout] b1df867a7cfb1e89bce53a70d99427c73fa2a1d2ca61a6fecaa4d6b9edb724a4
