[INFO] cloning repository https://github.com/obbap1/sifa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obbap1/sifa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobbap1%2Fsifa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobbap1%2Fsifa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7591ade5e088a131446982fd51982f14f98dc7fa
[INFO] checking obbap1/sifa against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobbap1%2Fsifa" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/obbap1/sifa
[INFO] finished tweaking git repo https://github.com/obbap1/sifa
[INFO] tweaked toml for git repo https://github.com/obbap1/sifa written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obbap1/sifa on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obbap1/sifa 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "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 obbap1/sifa against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobbap1%2Fsifa" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/obbap1/sifa
[INFO] finished tweaking git repo https://github.com/obbap1/sifa
[INFO] tweaked toml for git repo https://github.com/obbap1/sifa written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obbap1/sifa on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obbap1/sifa 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e
[INFO] running `Command { std: "docker" "start" "6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e", 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" "6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e", 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" "6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking attributes-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `into_string` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/lib.rs:100:40
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 self.delete_by_value(v.into_string()).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `to_string` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 100 -                 self.delete_by_value(v.into_string()).unwrap();
[INFO] [stdout] 100 +                 self.delete_by_value(v.to_string()).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_string` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/lib.rs:100:40
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 self.delete_by_value(v.into_string()).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `to_string` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 100 -                 self.delete_by_value(v.into_string()).unwrap();
[INFO] [stdout] 100 +                 self.delete_by_value(v.to_string()).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_string` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/lib.rs:101:39
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 deleted_values.push(v.into_string());
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `to_string` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 101 -                 deleted_values.push(v.into_string());
[INFO] [stdout] 101 +                 deleted_values.push(v.to_string());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_string` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/lib.rs:101:39
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 deleted_values.push(v.into_string());
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `to_string` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 101 -                 deleted_values.push(v.into_string());
[INFO] [stdout] 101 +                 deleted_values.push(v.to_string());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 if let Some(mut value_indexes) = self.attributes_store.get(attribute) {
[INFO] [stdout]    |                             ----^^^^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*value_indexes` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/lib.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 if let Some(mut value_indexes) = self.attributes_store.get(attribute) {
[INFO] [stdout]    |                             ----------------- consider changing this binding's type to be: `&mut Vec<usize>`
[INFO] [stdout] ...
[INFO] [stdout] 83 |                             value_indexes.remove(*v_index);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ `value_indexes` is a `&` reference, so it cannot be borrowed as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     for (i, v_index) in value_indexes.iter().enumerate() {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `&String` with `String`
[INFO] [stdout]    --> src/lib.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             assert_eq!(v[0], "messi".to_string());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `&String == String`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq<String>` is not implemented for `&String`
[INFO] [stdout] help: the trait `PartialEq` is implemented for `String`
[INFO] [stdout]    --> /rustc/a621e2b446eafb53c7a8569f225e0b8cc2429a68/library/alloc/src/string.rs:350:9
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `&String` with `String`
[INFO] [stdout]    --> src/lib.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             assert_eq!(v[1], "dimaria".to_string());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `&String == String`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq<String>` is not implemented for `&String`
[INFO] [stdout] help: the trait `PartialEq` is implemented for `String`
[INFO] [stdout]    --> /rustc/a621e2b446eafb53c7a8569f225e0b8cc2429a68/library/alloc/src/string.rs:350:9
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `attributes-cache` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 if let Some(mut value_indexes) = self.attributes_store.get(attribute) {
[INFO] [stdout]    |                             ----^^^^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*value_indexes` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/lib.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 if let Some(mut value_indexes) = self.attributes_store.get(attribute) {
[INFO] [stdout]    |                             ----------------- consider changing this binding's type to be: `&mut Vec<usize>`
[INFO] [stdout] ...
[INFO] [stdout] 83 |                             value_indexes.remove(*v_index);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ `value_indexes` is a `&` reference, so it cannot be borrowed as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     for (i, v_index) in value_indexes.iter().enumerate() {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `attributes-cache` (lib test) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e", kill_on_drop: false }`
[INFO] [stdout] 6dbd59e181a7b710a66fd2e19e26ddc7d0acaf87657461a26172593df686b26e
