[INFO] cloning repository https://github.com/gonejack/first-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gonejack/first-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgonejack%2Ffirst-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgonejack%2Ffirst-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 227aa89e01cf04b9ca1f884359794dc59d9f6199 [INFO] checking gonejack/first-rust against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgonejack%2Ffirst-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/gonejack/first-rust [INFO] finished tweaking git repo https://github.com/gonejack/first-rust [INFO] tweaked toml for git repo https://github.com/gonejack/first-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gonejack/first-rust on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gonejack/first-rust 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking gonejack/first-rust against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgonejack%2Ffirst-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/gonejack/first-rust [INFO] finished tweaking git repo https://github.com/gonejack/first-rust [INFO] tweaked toml for git repo https://github.com/gonejack/first-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gonejack/first-rust on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gonejack/first-rust 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mustache v0.9.0 [INFO] [stderr] Downloaded epub-builder v0.5.0 [INFO] [stderr] Downloaded switch_statement v1.0.0 [INFO] [stderr] Downloaded html-escape v0.2.9 [INFO] [stderr] Downloaded utf8-width v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bce4d2fc4ffb890a9d1dc1251f85581a84cf03bbc2f76347c5b45aefab1f860a [INFO] running `Command { std: "docker" "start" "-a" "bce4d2fc4ffb890a9d1dc1251f85581a84cf03bbc2f76347c5b45aefab1f860a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bce4d2fc4ffb890a9d1dc1251f85581a84cf03bbc2f76347c5b45aefab1f860a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bce4d2fc4ffb890a9d1dc1251f85581a84cf03bbc2f76347c5b45aefab1f860a", kill_on_drop: false }` [INFO] [stdout] bce4d2fc4ffb890a9d1dc1251f85581a84cf03bbc2f76347c5b45aefab1f860a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74801b14c45677fefa3653e90da60dd575c6605bbd19707817c683ae4b9472f7 [INFO] running `Command { std: "docker" "start" "-a" "74801b14c45677fefa3653e90da60dd575c6605bbd19707817c683ae4b9472f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking smawk v0.3.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking utf8-width v0.1.5 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Checking html-escape v0.2.9 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking textwrap v0.13.4 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking smallvec v0.4.5 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking ferris-says v0.2.1 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking switch_statement v1.0.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Checking epub-builder v0.5.0 [INFO] [stderr] Checking first-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/bin/clap.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `switch` [INFO] [stdout] --> src/bin/tcp.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | macro_rules! switch { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `feed` [INFO] [stdout] --> src/bin/clap.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let feed = m.value_of("config").unwrap_or("feed.txt"); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_feed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File` and `read_to_string` [INFO] [stdout] --> src/bin/epub.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::{File, OpenOptions, read_to_string}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/bin/epub.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/bin/epub.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use epub_builder::{EpubBuilder, Error, ResultExt}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `epub_builder::ErrorKind::Msg` [INFO] [stdout] --> src/bin/epub.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use epub_builder::ErrorKind::Msg; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/getopts.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 26 | Err(f) => { panic!(f.to_string()) } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 26 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pattern` and `path` are never read [INFO] [stdout] --> src/bin/structopt.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct CommandLine { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 5 | #[structopt(short, long, default_value = "pattern")] [INFO] [stdout] 6 | pattern: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | path: std::path::PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CommandLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `chain_err` found for struct `OpenOptions` in the current scope [INFO] [stdout] --> src/bin/epub.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | w.chain_err(|| format!("cannot create {}", "test.epub"))?; [INFO] [stdout] | ^^^^^^^^^ method not found in `OpenOptions` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `switch` [INFO] [stdout] --> src/bin/tcp.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | macro_rules! switch { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/bin/clap.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `OpenOptions: std::io::Write` is not satisfied [INFO] [stdout] --> src/bin/epub.rs:65:25 [INFO] [stdout] | [INFO] [stdout] 65 | e.generate(&mut w)?; [INFO] [stdout] | -------- ^ the trait `std::io::Write` is not implemented for `OpenOptions` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: required for `&mut OpenOptions` to implement `std::io::Write` [INFO] [stdout] note: required by a bound in `EpubBuilder::::generate` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/epub-builder-0.5.0/src/epub.rs:370:24 [INFO] [stdout] | [INFO] [stdout] 370 | pub fn generate(&mut self, to: W) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ required by this bound in `EpubBuilder::::generate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `feed` [INFO] [stdout] --> src/bin/clap.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let feed = m.value_of("config").unwrap_or("feed.txt"); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_feed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File` and `read_to_string` [INFO] [stdout] --> src/bin/epub.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::{File, OpenOptions, read_to_string}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/bin/epub.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/bin/epub.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use epub_builder::{EpubBuilder, Error, ResultExt}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `epub_builder::ErrorKind::Msg` [INFO] [stdout] --> src/bin/epub.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use epub_builder::ErrorKind::Msg; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `sync_all` found for struct `OpenOptions` in the current scope [INFO] [stdout] --> src/bin/epub.rs:67:7 [INFO] [stdout] | [INFO] [stdout] 67 | w.sync_all(); [INFO] [stdout] | ^^^^^^^^ method not found in `OpenOptions` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/bin/epub.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] warning: fields `pattern` and `path` are never read [INFO] [stdout] --> src/bin/structopt.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct CommandLine { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 5 | #[structopt(short, long, default_value = "pattern")] [INFO] [stdout] 6 | pattern: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | path: std::path::PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CommandLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/getopts.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 26 | Err(f) => { panic!(f.to_string()) } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 26 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `first-rust` (bin "epub" test) due to 3 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0599]: no method named `chain_err` found for struct `OpenOptions` in the current scope [INFO] [stdout] --> src/bin/epub.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | w.chain_err(|| format!("cannot create {}", "test.epub"))?; [INFO] [stdout] | ^^^^^^^^^ method not found in `OpenOptions` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `OpenOptions: std::io::Write` is not satisfied [INFO] [stdout] --> src/bin/epub.rs:65:25 [INFO] [stdout] | [INFO] [stdout] 65 | e.generate(&mut w)?; [INFO] [stdout] | -------- ^ the trait `std::io::Write` is not implemented for `OpenOptions` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: required for `&mut OpenOptions` to implement `std::io::Write` [INFO] [stdout] note: required by a bound in `EpubBuilder::::generate` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/epub-builder-0.5.0/src/epub.rs:370:24 [INFO] [stdout] | [INFO] [stdout] 370 | pub fn generate(&mut self, to: W) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ required by this bound in `EpubBuilder::::generate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `sync_all` found for struct `OpenOptions` in the current scope [INFO] [stdout] --> src/bin/epub.rs:67:7 [INFO] [stdout] | [INFO] [stdout] 67 | w.sync_all(); [INFO] [stdout] | ^^^^^^^^ method not found in `OpenOptions` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/bin/epub.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `first-rust` (bin "epub") due to 3 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "74801b14c45677fefa3653e90da60dd575c6605bbd19707817c683ae4b9472f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74801b14c45677fefa3653e90da60dd575c6605bbd19707817c683ae4b9472f7", kill_on_drop: false }` [INFO] [stdout] 74801b14c45677fefa3653e90da60dd575c6605bbd19707817c683ae4b9472f7