[INFO] cloning repository https://github.com/Charan6924/RustLearning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Charan6924/RustLearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharan6924%2FRustLearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharan6924%2FRustLearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94a8dfb0cfdad0ea9e7e5ab73fb548c14bbc402e
[INFO] checking Charan6924/RustLearning against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharan6924%2FRustLearning" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Charan6924/RustLearning
[INFO] finished tweaking git repo https://github.com/Charan6924/RustLearning
[INFO] tweaked toml for git repo https://github.com/Charan6924/RustLearning written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Charan6924/RustLearning on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Charan6924/RustLearning 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1
[INFO] running `Command { std: "docker" "start" "780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1", 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" "780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1", 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" "780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling zerocopy v0.8.56
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking zeroize v1.9.0
[INFO] [stderr]     Checking rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
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[INFO] [stderr]    Compiling cssparser-macros v0.6.1
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[INFO] [stderr]    Compiling derive_more v0.99.20
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[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found `:`
[INFO] [stdout]  --> src/bin/lifetime.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{self, fmt::Display}:fmt::Display;
[INFO] [stdout]   |                              ^ expected `;`
[INFO] [stdout]   |
[INFO] [stdout]   = note: glob-like brace syntax must be last on the path
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guessing_game` (bin "lifetime") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/vec.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut v: Vec<i32> = vec![1,2,3,4,5];
[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] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/bin/loops.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for number in (1..4){
[INFO] [stdout]    |                   ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -     for number in (1..4){
[INFO] [stdout] 13 +     for number in 1..4 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/bin/vec.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let row: Vec<_> = vec![
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/vec.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     Int(i32),
[INFO] [stdout] 3 +     Int(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/rc.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let b: List = Cons(3, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/bin/rc.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let c: List = Cons(4, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/bin/rc.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 2 -     Cons(i32, Rc<List>),
[INFO] [stdout] 2 +     Cons((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/vec.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Float(f64),
[INFO] [stdout]   |     ----- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     Float(f64),
[INFO] [stdout] 4 +     Float(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/vec.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Text(String)
[INFO] [stdout]   |     ---- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 -     Text(String)
[INFO] [stdout] 5 +     Text(())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Summary` in this scope
[INFO] [stdout]   --> src/bin/lib.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Summary for NewsArticle{
[INFO] [stdout]    |      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Summary` in this scope
[INFO] [stdout]   --> src/bin/lib.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Summary for SocialPost {
[INFO] [stdout]    |      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/bin/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `lib`
[INFO] [stdout]   --> src/bin/lib.rs:27:2
[INFO] [stdout]    |
[INFO] [stdout] 27 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/bin/lib.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guessing_game` (bin "lib") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1", kill_on_drop: false }`
[INFO] [stdout] 780341d6f12bdf1d1eff5dd4a77c117afcb810f30d80a6cbca1c452f56a598d1
