[INFO] updating cached repository https://github.com/0xNF/wyag-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5512c1caaa0f3de0ab5735e05456d7d8bc977cb3
[INFO] checking 0xNF/wyag-rust against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xNF%2Fwyag-rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xNF/wyag-rust on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/0xNF/wyag-rust
[INFO] finished tweaking git repo https://github.com/0xNF/wyag-rust
[INFO] tweaked toml for git repo https://github.com/0xNF/wyag-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/0xNF/wyag-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 4a755a6b1d8c548362763094a7046968ddcb23377ef3d8a34f17b5dbbe609d81
[INFO] running `"docker" "start" "-a" "4a755a6b1d8c548362763094a7046968ddcb23377ef3d8a34f17b5dbbe609d81"`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]     Checking regex v1.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking wyag-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crypto::sha1`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crypto::sha1;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::hash_map::HashMap`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::collections::hash_map::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:627:23
[INFO] [stderr]     |
[INFO] [stderr] 627 | fn object_write(obj: &GitObject, actually_write: bool) -> Result<String, WyagError> {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn GitObject`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:775:13
[INFO] [stderr]     |
[INFO] [stderr] 775 | /             /// This is a small hash 4 seems to be the minimal length
[INFO] [stderr] 776 | |             /// for git to consider something a short hash.
[INFO] [stderr] 777 | |             /// This limit is documented in man git-rev-parse
[INFO] [stderr]     | |_____________________________________________________________^
[INFO] [stderr] 778 |               let prefix = nlower[0..2].as_ref();
[INFO] [stderr]     |               ----------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:905:20
[INFO] [stderr]     |
[INFO] [stderr] 905 |     let mut c: Box<GitObject>;
[INFO] [stderr]     |                    ^^^^^^^^^ help: use `dyn`: `dyn GitObject`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1535:51
[INFO] [stderr]      |
[INFO] [stderr] 1535 |     pub fn new_with_error(message: &str, err: Box<std::error::Error>) -> WyagError {
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::sha1`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crypto::sha1;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::hash_map::HashMap`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::collections::hash_map::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:627:23
[INFO] [stderr]     |
[INFO] [stderr] 627 | fn object_write(obj: &GitObject, actually_write: bool) -> Result<String, WyagError> {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn GitObject`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:775:13
[INFO] [stderr]     |
[INFO] [stderr] 775 | /             /// This is a small hash 4 seems to be the minimal length
[INFO] [stderr] 776 | |             /// for git to consider something a short hash.
[INFO] [stderr] 777 | |             /// This limit is documented in man git-rev-parse
[INFO] [stderr]     | |_____________________________________________________________^
[INFO] [stderr] 778 |               let prefix = nlower[0..2].as_ref();
[INFO] [stderr]     |               ----------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:905:20
[INFO] [stderr]     |
[INFO] [stderr] 905 |     let mut c: Box<GitObject>;
[INFO] [stderr]     |                    ^^^^^^^^^ help: use `dyn`: `dyn GitObject`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1535:51
[INFO] [stderr]      |
[INFO] [stderr] 1535 |     pub fn new_with_error(message: &str, err: Box<std::error::Error>) -> WyagError {
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]     --> src/lib.rs:1755:9
[INFO] [stderr]      |
[INFO] [stderr] 1755 |     use super::*;
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed for `std::string::String`
[INFO] [stderr]     --> src/lib.rs:1058:20
[INFO] [stderr]      |
[INFO] [stderr] 1051 |     let mut ret = "".to_owned();
[INFO] [stderr]      |         ------- consider giving `ret` a type
[INFO] [stderr] ...
[INFO] [stderr] 1058 |             main = String::from(v[0].as_ref());
[INFO] [stderr]      |                    ^^^^^^^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stderr]      |
[INFO] [stderr]      = note: cannot satisfy `std::string::String: std::convert::From<&_>`
[INFO] [stderr]      = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `wyag-rust`.
[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] [stderr] error[E0283]: type annotations needed for `std::string::String`
[INFO] [stderr]     --> src/lib.rs:1058:20
[INFO] [stderr]      |
[INFO] [stderr] 1051 |     let mut ret = "".to_owned();
[INFO] [stderr]      |         ------- consider giving `ret` a type
[INFO] [stderr] ...
[INFO] [stderr] 1058 |             main = String::from(v[0].as_ref());
[INFO] [stderr]      |                    ^^^^^^^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stderr]      |
[INFO] [stderr]      = note: cannot satisfy `std::string::String: std::convert::From<&_>`
[INFO] [stderr]      = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `wyag-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4a755a6b1d8c548362763094a7046968ddcb23377ef3d8a34f17b5dbbe609d81"`
[INFO] running `"docker" "rm" "-f" "4a755a6b1d8c548362763094a7046968ddcb23377ef3d8a34f17b5dbbe609d81"`
[INFO] [stdout] 4a755a6b1d8c548362763094a7046968ddcb23377ef3d8a34f17b5dbbe609d81
