[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] checking avalokkumar/rust-programming against try#9053a8ad740a9e131b53ea98acecf68cf79134fe for pr-137045 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favalokkumar%2Frust-programming" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/avalokkumar/rust-programming on toolchain 9053a8ad740a9e131b53ea98acecf68cf79134fe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "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-3-tc2/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" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "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 20 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v1.1.3 [INFO] [stderr] Adding byteorder v1.5.0 [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding getrandom v0.2.15 [INFO] [stderr] Adding libc v0.2.169 [INFO] [stderr] Adding memchr v2.7.4 [INFO] [stderr] Adding ppv-lite86 v0.2.20 [INFO] [stderr] Adding proc-macro2 v1.0.93 [INFO] [stderr] Adding quote v1.0.38 [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.0) [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 v2.0.98 [INFO] [stderr] Adding unicode-ident v1.0.16 [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 [INFO] [stderr] Adding zerocopy v0.7.35 [INFO] [stderr] Adding zerocopy-derive v0.7.35 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73ec4b17dd05a470cd59296266b84f7ee6968f1dbaebe263d9d02e98aa8b7385 [INFO] running `Command { std: "docker" "start" "-a" "73ec4b17dd05a470cd59296266b84f7ee6968f1dbaebe263d9d02e98aa8b7385", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73ec4b17dd05a470cd59296266b84f7ee6968f1dbaebe263d9d02e98aa8b7385", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73ec4b17dd05a470cd59296266b84f7ee6968f1dbaebe263d9d02e98aa8b7385", kill_on_drop: false }` [INFO] [stdout] 73ec4b17dd05a470cd59296266b84f7ee6968f1dbaebe263d9d02e98aa8b7385 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15b6dbf83a1f921b9a9c727de3d2de08c2a2c800d00759068aadcc73531f033a [INFO] running `Command { std: "docker" "start" "-a" "15b6dbf83a1f921b9a9c727de3d2de08c2a2c800d00759068aadcc73531f033a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust-programming v0.1.0 (/opt/rustwide/workdir) [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] 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: 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 `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] error[E0271]: type mismatch resolving `::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] 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] 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] 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] 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[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/9053a8ad740a9e131b53ea98acecf68cf79134fe/library/std/src/io/mod.rs:1869:8 [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] For more information about this error, try `rustc --explain E0271`. [INFO] [stdout] [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/9053a8ad740a9e131b53ea98acecf68cf79134fe/library/std/src/io/mod.rs:1869:8 [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] [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] Some errors have detailed explanations: E0433, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0433`. [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] [stdout] error[E0271]: type mismatch resolving `::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] [stderr] error: could not compile `rust-programming` (bin "rust-programming-day2" test) due to 3 previous errors [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" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "15b6dbf83a1f921b9a9c727de3d2de08c2a2c800d00759068aadcc73531f033a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15b6dbf83a1f921b9a9c727de3d2de08c2a2c800d00759068aadcc73531f033a", kill_on_drop: false }` [INFO] [stdout] 15b6dbf83a1f921b9a9c727de3d2de08c2a2c800d00759068aadcc73531f033a