[INFO] cloning repository https://github.com/avalokkumar/rust-programming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avalokkumar/rust-programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favalokkumar%2Frust-programming", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favalokkumar%2Frust-programming'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e01546329d0400cc2dc253750d181dbd7ec1a0d
[INFO] testing avalokkumar/rust-programming/5e01546329d0400cc2dc253750d181dbd7ec1a0d against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favalokkumar%2Frust-programming" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avalokkumar/rust-programming on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/avalokkumar/rust-programming
[INFO] finished tweaking git repo https://github.com/avalokkumar/rust-programming
[INFO] tweaked toml for git repo https://github.com/avalokkumar/rust-programming written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/avalokkumar/rust-programming 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v1.1.3
[INFO] [stderr]       Adding cfg-if v1.0.0
[INFO] [stderr]       Adding getrandom v0.2.16
[INFO] [stderr]       Adding libc v0.2.172
[INFO] [stderr]       Adding memchr v2.7.4
[INFO] [stderr]       Adding ppv-lite86 v0.2.21
[INFO] [stderr]       Adding proc-macro2 v1.0.95
[INFO] [stderr]       Adding quote v1.0.40
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding rand_chacha v0.3.1
[INFO] [stderr]       Adding rand_core v0.6.4
[INFO] [stderr]       Adding regex v1.11.1
[INFO] [stderr]       Adding regex-automata v0.4.9
[INFO] [stderr]       Adding regex-syntax v0.8.5
[INFO] [stderr]       Adding syn v2.0.101
[INFO] [stderr]       Adding unicode-ident v1.0.18
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]       Adding zerocopy v0.8.25
[INFO] [stderr]       Adding zerocopy-derive v0.8.25
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da42eb80f20e29bb193d7c46ba02d9fa842c19f6702a1a2dcc12c0b8cff628f
[INFO] running `Command { std: "docker" "start" "-a" "1da42eb80f20e29bb193d7c46ba02d9fa842c19f6702a1a2dcc12c0b8cff628f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da42eb80f20e29bb193d7c46ba02d9fa842c19f6702a1a2dcc12c0b8cff628f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da42eb80f20e29bb193d7c46ba02d9fa842c19f6702a1a2dcc12c0b8cff628f", kill_on_drop: false }`
[INFO] [stdout] 1da42eb80f20e29bb193d7c46ba02d9fa842c19f6702a1a2dcc12c0b8cff628f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91bec23c2ee57f6042f659979dd437a7bc1a434b9e11d76480dbdcb816f9bef6
[INFO] running `Command { std: "docker" "start" "-a" "91bec23c2ee57f6042f659979dd437a7bc1a434b9e11d76480dbdcb816f9bef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling rust-programming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0271]: type mismatch resolving `<i32 as FromStr>::Err == String`
[INFO] [stdout]   --> src/day1/generics.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let number = line.parse().map_err(MyError::Parse)?;
[INFO] [stdout]    |                           ^^^^^ expected `String`, found `ParseIntError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day4/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut menu = Menu::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `bar`
[INFO] [stdout]   --> src/day2/main.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let person = bar::Person::new("Alice", 25);
[INFO] [stdout]    |                  ^^^ use of unresolved module or unlinked crate `bar`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `bar`, use `cargo add bar` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `duration` is never read
[INFO] [stdout]  --> src/day4/song.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Song {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 4 |     pub duration: u32,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `foo`
[INFO] [stdout]   --> src/day2/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     foo::greet();
[INFO] [stdout]    |     ^^^ use of unresolved module or unlinked crate `foo`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `foo`, use `cargo add foo` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-programming` (bin "rust-programming-day1") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: cannot write into `Stderr`
[INFO] [stdout]   --> src/day2/main.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |     writeln!(std::io::stderr(), "An error occurred").unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:1910:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method is available for `Stderr` here
[INFO] [stdout]    |
[INFO] [stdout] note: must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method
[INFO] [stdout]   --> src/day2/main.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |     writeln!(std::io::stderr(), "An error occurred").unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write_fmt` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 12 + use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-programming` (bin "rust-programming-day2") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "91bec23c2ee57f6042f659979dd437a7bc1a434b9e11d76480dbdcb816f9bef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91bec23c2ee57f6042f659979dd437a7bc1a434b9e11d76480dbdcb816f9bef6", kill_on_drop: false }`
[INFO] [stdout] 91bec23c2ee57f6042f659979dd437a7bc1a434b9e11d76480dbdcb816f9bef6