[INFO] crate gulkana 1.0.6 is already in cache
[INFO] checking gulkana-1.0.6 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate gulkana 1.0.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gulkana 1.0.6 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gulkana 1.0.6
[INFO] finished tweaking crates.io crate gulkana 1.0.6
[INFO] tweaked toml for crates.io crate gulkana 1.0.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4b3db3ab47aa47fbabbbd5b545cde450518893fcc6848ac6ea20ce9ca2079c8
[INFO] running `"docker" "start" "-a" "e4b3db3ab47aa47fbabbbd5b545cde450518893fcc6848ac6ea20ce9ca2079c8"`
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking gulkana v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning[E0170]: pattern binding `KeyAllreadyPresent` is named the same as one of the variants of the type `DBOperationError`
[INFO] [stderr]   --> src/lib.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `DBOperationError::KeyAllreadyPresent`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `KeyNotFound` is named the same as one of the variants of the type `DBOperationError`
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: to match on the variant, qualify the path: `DBOperationError::KeyNotFound`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `NodeNotLink` is named the same as one of the variants of the type `DBOperationError`
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             NodeNotLink => "Node Not Link".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: to match on the variant, qualify the path: `DBOperationError::NodeNotLink`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `NodeNotData` is named the same as one of the variants of the type `DBOperationError`
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             NodeNotData => "Node Not Data".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: to match on the variant, qualify the path: `DBOperationError::NodeNotData`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ------------------ matches any value
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ------------------ matches any value
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr] 82 |             NodeNotLink => "Node Not Link".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ------------------ matches any value
[INFO] [stderr] ...
[INFO] [stderr] 83 |             NodeNotData => "Node Not Data".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `KeyAllreadyPresent`
[INFO] [stderr]   --> src/lib.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_KeyAllreadyPresent`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `KeyNotFound`
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_KeyNotFound`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `NodeNotLink`
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             NodeNotLink => "Node Not Link".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_NodeNotLink`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `NodeNotData`
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             NodeNotData => "Node Not Data".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_NodeNotData`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `KeyAllreadyPresent` is named the same as one of the variants of the type `DBOperationError`
[INFO] [stderr]   --> src/lib.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `DBOperationError::KeyAllreadyPresent`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `KeyNotFound` is named the same as one of the variants of the type `DBOperationError`
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: to match on the variant, qualify the path: `DBOperationError::KeyNotFound`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `NodeNotLink` is named the same as one of the variants of the type `DBOperationError`
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             NodeNotLink => "Node Not Link".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: to match on the variant, qualify the path: `DBOperationError::NodeNotLink`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `NodeNotData` is named the same as one of the variants of the type `DBOperationError`
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             NodeNotData => "Node Not Data".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: to match on the variant, qualify the path: `DBOperationError::NodeNotData`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ------------------ matches any value
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ------------------ matches any value
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr] 82 |             NodeNotLink => "Node Not Link".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ------------------ matches any value
[INFO] [stderr] ...
[INFO] [stderr] 83 |             NodeNotData => "Node Not Data".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `KeyAllreadyPresent`
[INFO] [stderr]   --> src/lib.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_KeyAllreadyPresent`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `KeyNotFound`
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_KeyNotFound`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `NodeNotLink`
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             NodeNotLink => "Node Not Link".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_NodeNotLink`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `NodeNotData`
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             NodeNotData => "Node Not Data".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_NodeNotData`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `a_mut`
[INFO] [stderr]   --> src/opt_pair.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn a_mut(&mut self)->Option<&mut A>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `KeyAllreadyPresent` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `key_allready_present`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `KeyNotFound` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `key_not_found`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `NodeNotLink` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             NodeNotLink => "Node Not Link".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `node_not_link`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `NodeNotData` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             NodeNotData => "Node Not Data".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `node_not_data`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `a_mut`
[INFO] [stderr]   --> src/opt_pair.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn a_mut(&mut self)->Option<&mut A>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `KeyAllreadyPresent` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             KeyAllreadyPresent => "Key Allready Present".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `key_allready_present`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `KeyNotFound` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             KeyNotFound => "Key Not found".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `key_not_found`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `NodeNotLink` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             NodeNotLink => "Node Not Link".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `node_not_link`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `NodeNotData` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             NodeNotData => "Node Not Data".to_string(),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `node_not_data`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.50s
[INFO] running `"docker" "inspect" "e4b3db3ab47aa47fbabbbd5b545cde450518893fcc6848ac6ea20ce9ca2079c8"`
[INFO] running `"docker" "rm" "-f" "e4b3db3ab47aa47fbabbbd5b545cde450518893fcc6848ac6ea20ce9ca2079c8"`
[INFO] [stdout] e4b3db3ab47aa47fbabbbd5b545cde450518893fcc6848ac6ea20ce9ca2079c8