[INFO] cloning repository https://github.com/0xNF/wyag-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xNF/wyag-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xNF%2Fwyag-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xNF%2Fwyag-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5512c1caaa0f3de0ab5735e05456d7d8bc977cb3
[INFO] checking 0xNF/wyag-rust against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xNF%2Fwyag-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xNF/wyag-rust on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/0xNF/wyag-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7661497559631212f8385235e69b5f6b4f68df6fa2fae15058b80fc0f239dfe
[INFO] running `Command { std: "docker" "start" "-a" "a7661497559631212f8385235e69b5f6b4f68df6fa2fae15058b80fc0f239dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7661497559631212f8385235e69b5f6b4f68df6fa2fae15058b80fc0f239dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7661497559631212f8385235e69b5f6b4f68df6fa2fae15058b80fc0f239dfe", kill_on_drop: false }`
[INFO] [stdout] a7661497559631212f8385235e69b5f6b4f68df6fa2fae15058b80fc0f239dfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac736831fba199fa93a07d67a9828b8d098de840d601165e30b390ed361a1c26
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac736831fba199fa93a07d67a9828b8d098de840d601165e30b390ed361a1c26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking wyag-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crypto::sha1`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crypto::sha1;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::HashMap`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::hash_map::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:627:23
[INFO] [stdout]     |
[INFO] [stdout] 627 | fn object_write(obj: &GitObject, actually_write: bool) -> Result<String, WyagError> {
[INFO] [stdout]     |                       ^^^^^^^^^ help: use `dyn`: `dyn GitObject`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 | /             /// This is a small hash 4 seems to be the minimal length
[INFO] [stdout] 776 | |             /// for git to consider something a short hash.
[INFO] [stdout] 777 | |             /// This limit is documented in man git-rev-parse
[INFO] [stdout]     | |_____________________________________________________________^
[INFO] [stdout] 778 |               let prefix = nlower[0..2].as_ref();
[INFO] [stdout]     |               ----------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:905:20
[INFO] [stdout]     |
[INFO] [stdout] 905 |     let mut c: Box<GitObject>;
[INFO] [stdout]     |                    ^^^^^^^^^ help: use `dyn`: `dyn GitObject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1535:51
[INFO] [stdout]      |
[INFO] [stdout] 1535 |     pub fn new_with_error(message: &str, err: Box<std::error::Error>) -> WyagError {
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crypto::sha1`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crypto::sha1;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::HashMap`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::hash_map::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:627:23
[INFO] [stdout]     |
[INFO] [stdout] 627 | fn object_write(obj: &GitObject, actually_write: bool) -> Result<String, WyagError> {
[INFO] [stdout]     |                       ^^^^^^^^^ help: use `dyn`: `dyn GitObject`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 | /             /// This is a small hash 4 seems to be the minimal length
[INFO] [stdout] 776 | |             /// for git to consider something a short hash.
[INFO] [stdout] 777 | |             /// This limit is documented in man git-rev-parse
[INFO] [stdout]     | |_____________________________________________________________^
[INFO] [stdout] 778 |               let prefix = nlower[0..2].as_ref();
[INFO] [stdout]     |               ----------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:905:20
[INFO] [stdout]     |
[INFO] [stdout] 905 |     let mut c: Box<GitObject>;
[INFO] [stdout]     |                    ^^^^^^^^^ help: use `dyn`: `dyn GitObject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1535:51
[INFO] [stdout]      |
[INFO] [stdout] 1535 |     pub fn new_with_error(message: &str, err: Box<std::error::Error>) -> WyagError {
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]     --> src/lib.rs:1755:9
[INFO] [stdout]      |
[INFO] [stdout] 1755 |     use super::*;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed for `String`
[INFO] [stdout]     --> src/lib.rs:1058:20
[INFO] [stdout]      |
[INFO] [stdout] 1051 |     let mut ret = "".to_owned();
[INFO] [stdout]      |         ------- consider giving `ret` a type
[INFO] [stdout] ...
[INFO] [stdout] 1058 |             main = String::from(v[0].as_ref());
[INFO] [stdout]      |                    ^^^^^^^^^^^^ cannot infer type for struct `String`
[INFO] [stdout]      |
[INFO] [stdout]      = note: cannot satisfy `String: From<&_>`
[INFO] [stdout]      = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[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] [stdout] error[E0283]: type annotations needed for `String`
[INFO] [stdout]     --> src/lib.rs:1058:20
[INFO] [stdout]      |
[INFO] [stdout] 1051 |     let mut ret = "".to_owned();
[INFO] [stdout]      |         ------- consider giving `ret` a type
[INFO] [stdout] ...
[INFO] [stdout] 1058 |             main = String::from(v[0].as_ref());
[INFO] [stdout]      |                    ^^^^^^^^^^^^ cannot infer type for struct `String`
[INFO] [stdout]      |
[INFO] [stdout]      = note: cannot satisfy `String: From<&_>`
[INFO] [stdout]      = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ac736831fba199fa93a07d67a9828b8d098de840d601165e30b390ed361a1c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac736831fba199fa93a07d67a9828b8d098de840d601165e30b390ed361a1c26", kill_on_drop: false }`
[INFO] [stdout] ac736831fba199fa93a07d67a9828b8d098de840d601165e30b390ed361a1c26
