[INFO] cloning repository https://github.com/yangxingwu/rust-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yangxingwu/rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangxingwu%2Frust-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangxingwu%2Frust-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b234222560ac6aa0fa2786b529c0a922677651b
[INFO] testing yangxingwu/rust-book against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangxingwu%2Frust-book" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yangxingwu/rust-book on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yangxingwu/rust-book
[INFO] finished tweaking git repo https://github.com/yangxingwu/rust-book
[INFO] tweaked toml for git repo https://github.com/yangxingwu/rust-book written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/yangxingwu/rust-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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 walkdir v0.1.8
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] [stderr]   Downloaded libc v0.2.33
[INFO] [stderr]   Downloaded lazy_static v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efe6a71744d47abdbc945c6d649995fd2b949e926fa89afc06c1db2bb40d2841
[INFO] running `Command { std: "docker" "start" "-a" "efe6a71744d47abdbc945c6d649995fd2b949e926fa89afc06c1db2bb40d2841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efe6a71744d47abdbc945c6d649995fd2b949e926fa89afc06c1db2bb40d2841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe6a71744d47abdbc945c6d649995fd2b949e926fa89afc06c1db2bb40d2841", kill_on_drop: false }`
[INFO] [stdout] efe6a71744d47abdbc945c6d649995fd2b949e926fa89afc06c1db2bb40d2841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78ad181919f5cc4301b5de93a53078e317330c5171bec2e340b3a65aa4a1c995
[INFO] running `Command { std: "docker" "start" "-a" "78ad181919f5cc4301b5de93a53078e317330c5171bec2e340b3a65aa4a1c995", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling lazy_static v0.2.10
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling rust-book v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> tools/src/bin/lfp.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> tools/src/bin/lfp.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{BufRead, Write};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tools/src/bin/remove_links.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         panic!(e);
[INFO] [stdout]    |                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 11 |         panic!("{}", e);
[INFO] [stdout]    |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |         std::panic::panic_any(e);
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tools/src/bin/convert_quotes.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         panic!(e);
[INFO] [stdout]    |                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 11 |         panic!("{}", e);
[INFO] [stdout]    |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |         std::panic::panic_any(e);
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tools/src/bin/concat_chapters.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / lazy_static! {
[INFO] [stdout] 20 | |     static ref MATCHERS: Vec<(Regex, &'static str)> = {
[INFO] [stdout] 21 | |         PATTERNS.iter()
[INFO] [stdout] 22 | |             .map(|&(expr, repl)| (Regex::new(expr).unwrap(), repl))
[INFO] [stdout] 23 | |             .collect()
[INFO] [stdout] 24 | |     };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tools/src/bin/concat_chapters.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / lazy_static! {
[INFO] [stdout] 20 | |     static ref MATCHERS: Vec<(Regex, &'static str)> = {
[INFO] [stdout] 21 | |         PATTERNS.iter()
[INFO] [stdout] 22 | |             .map(|&(expr, repl)| (Regex::new(expr).unwrap(), repl))
[INFO] [stdout] 23 | |             .collect()
[INFO] [stdout] 24 | |     };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tools/src/bin/link2print.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(error) => panic!(error),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(error) => panic!("{}", error),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(error) => std::panic::panic_any(error),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tools/src/bin/remove_markup.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(error) => panic!(error),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(error) => panic!("{}", error),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(error) => std::panic::panic_any(error),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.88s
[INFO] running `Command { std: "docker" "inspect" "78ad181919f5cc4301b5de93a53078e317330c5171bec2e340b3a65aa4a1c995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ad181919f5cc4301b5de93a53078e317330c5171bec2e340b3a65aa4a1c995", kill_on_drop: false }`
[INFO] [stdout] 78ad181919f5cc4301b5de93a53078e317330c5171bec2e340b3a65aa4a1c995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da3ac7bcb1a1a5c43823a36af42c9efc01dae339fa80a7b86a5a307e6e3fcbae
[INFO] running `Command { std: "docker" "start" "-a" "da3ac7bcb1a1a5c43823a36af42c9efc01dae339fa80a7b86a5a307e6e3fcbae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-book v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> tools/src/bin/lfp.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> tools/src/bin/lfp.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{BufRead, Write};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tools/src/bin/concat_chapters.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / lazy_static! {
[INFO] [stdout] 20 | |     static ref MATCHERS: Vec<(Regex, &'static str)> = {
[INFO] [stdout] 21 | |         PATTERNS.iter()
[INFO] [stdout] 22 | |             .map(|&(expr, repl)| (Regex::new(expr).unwrap(), repl))
[INFO] [stdout] 23 | |             .collect()
[INFO] [stdout] 24 | |     };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tools/src/bin/concat_chapters.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / lazy_static! {
[INFO] [stdout] 20 | |     static ref MATCHERS: Vec<(Regex, &'static str)> = {
[INFO] [stdout] 21 | |         PATTERNS.iter()
[INFO] [stdout] 22 | |             .map(|&(expr, repl)| (Regex::new(expr).unwrap(), repl))
[INFO] [stdout] 23 | |             .collect()
[INFO] [stdout] 24 | |     };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tools/src/bin/convert_quotes.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         panic!(e);
[INFO] [stdout]    |                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 11 |         panic!("{}", e);
[INFO] [stdout]    |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |         std::panic::panic_any(e);
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tools/src/bin/remove_links.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         panic!(e);
[INFO] [stdout]    |                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 11 |         panic!("{}", e);
[INFO] [stdout]    |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |         std::panic::panic_any(e);
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tools/src/bin/remove_markup.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(error) => panic!(error),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(error) => panic!("{}", error),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(error) => std::panic::panic_any(error),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tools/src/bin/link2print.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(error) => panic!(error),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(error) => panic!("{}", error),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(error) => std::panic::panic_any(error),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "da3ac7bcb1a1a5c43823a36af42c9efc01dae339fa80a7b86a5a307e6e3fcbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3ac7bcb1a1a5c43823a36af42c9efc01dae339fa80a7b86a5a307e6e3fcbae", kill_on_drop: false }`
[INFO] [stdout] da3ac7bcb1a1a5c43823a36af42c9efc01dae339fa80a7b86a5a307e6e3fcbae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c534d64da97172f23a320ed17cc29638471e5a8c29dd54d0bfc480a11cfe5f96
[INFO] running `Command { std: "docker" "start" "-a" "c534d64da97172f23a320ed17cc29638471e5a8c29dd54d0bfc480a11cfe5f96", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tools/src/bin/remove_markup.rs:15:30
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(error) => panic!(error),
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(error) => panic!("{}", error),
[INFO] [stderr]    |                              +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(error) => std::panic::panic_any(error),
[INFO] [stderr]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> tools/src/bin/lfp.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 | #[derive(Debug, RustcDecodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> tools/src/bin/lfp.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{BufRead, Write};
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tools/src/bin/remove_links.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |         panic!(e);
[INFO] [stderr]    |                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 11 |         panic!("{}", e);
[INFO] [stderr]    |                +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 11 |         std::panic::panic_any(e);
[INFO] [stderr]    |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tools/src/bin/convert_quotes.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |         panic!(e);
[INFO] [stderr]    |                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 11 |         panic!("{}", e);
[INFO] [stderr]    |                +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 11 |         std::panic::panic_any(e);
[INFO] [stderr]    |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tools/src/bin/link2print.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Err(error) => panic!(error),
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Err(error) => panic!("{}", error),
[INFO] [stderr]    |                              +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Err(error) => std::panic::panic_any(error),
[INFO] [stderr]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> tools/src/bin/concat_chapters.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref MATCHERS: Vec<(Regex, &'static str)> = {
[INFO] [stderr] 21 | |         PATTERNS.iter()
[INFO] [stderr] 22 | |             .map(|&(expr, repl)| (Regex::new(expr).unwrap(), repl))
[INFO] [stderr] 23 | |             .collect()
[INFO] [stderr] 24 | |     };
[INFO] [stderr] 25 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> tools/src/bin/concat_chapters.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref MATCHERS: Vec<(Regex, &'static str)> = {
[INFO] [stderr] 21 | |         PATTERNS.iter()
[INFO] [stderr] 22 | |             .map(|&(expr, repl)| (Regex::new(expr).unwrap(), repl))
[INFO] [stderr] 23 | |             .collect()
[INFO] [stderr] 24 | |     };
[INFO] [stderr] 25 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-book` (bin "remove_markup" test) generated 1 warning
[INFO] [stderr] warning: `rust-book` (bin "lfp" test) generated 2 warnings
[INFO] [stderr] warning: `rust-book` (bin "remove_links" test) generated 1 warning
[INFO] [stderr] warning: `rust-book` (bin "convert_quotes" test) generated 1 warning
[INFO] [stderr] warning: `rust-book` (bin "link2print" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `rust-book` (bin "concat_chapters" test) generated 2 warnings
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concat_chapters-6f8737deafa33184)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/convert_quotes-0c919950e94aa736)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lfp-1a2286a15bbc47d3)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::is_file_of_interest_returns_false_when_the_filename_does_not_have_the_md_extension ... ok
[INFO] [stdout] test tests::is_file_of_interest_returns_true_when_the_filename_has_the_md_extension ... ok
[INFO] [stdout] test tests::is_file_of_interest_returns_false_when_the_path_is_a_directory ... ok
[INFO] [stdout] test tests::is_line_of_interest_does_not_report_a_line_if_the_line_contains_a_file_url_which_is_directly_followed_by_the_project_path ... ok
[INFO] [stdout] test tests::is_line_of_interest_reports_a_line_if_the_line_contains_a_file_url_which_is_not_directly_followed_by_the_project_path ... ok
[INFO] [stdout] test tests::lint_file_returns_a_vec_with_errs_when_lines_of_interest_are_found ... ok
[INFO] [stdout] test tests::lint_file_returns_an_empty_vec_when_no_lines_of_interest_are_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/link2print-57b4938a095f84f8)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::parses_link_without_reference_as_reference_with_asterisks ... ignored
[INFO] [stdout] test tests::ignores_links_in_pre_sections ... ok
[INFO] [stdout] test tests::ignores_optional_inline_title ... ok
[INFO] [stdout] test tests::ignores_links_in_pre_sections_while_still_handling_links ... ok
[INFO] [stdout] test tests::ignores_links_in_quoted_sections_containing_newlines ... ok
[INFO] [stdout] test tests::ignores_short_quotes ... ok
[INFO] [stdout] test tests::ignores_links_in_quoted_sections ... ok
[INFO] [stdout] test tests::parses_reference_with_punctuation ... ok
[INFO] [stdout] test tests::parses_refs_with_one_space_indentation ... ok
[INFO] [stdout] test tests::ignores_quotes_in_pre_sections ... ok
[INFO] [stdout] test tests::parses_link_without_reference_as_reference ... ok
[INFO] [stdout] test tests::parses_name_with_utf8 ... ok
[INFO] [stdout] test tests::parses_inline_link ... ok
[INFO] [stdout] test tests::parses_refs_with_three_space_indentation ... ok
[INFO] [stdout] test tests::parses_implicit_link ... ok
[INFO] [stdout] test tests::parses_link_as_reference_when_reference_is_empty ... ok
[INFO] [stdout] test tests::parses_adam_p_cheatsheet ... ok
[INFO] [stdout] test tests::parses_reference_case_insensitively ... ok
[INFO] [stdout] test tests::parses_name_with_punctuation ... ok
[INFO] [stdout] test tests::parses_multiline_links ... ok
[INFO] [stdout] test tests::ignores_pre_sections_with_final_quote ... ok
[INFO] [stdout] test tests::parses_reference ... ok
[INFO] [stdout] test tests::parses_title_with_puctuation ... ok
[INFO] [stdout] test tests::parses_refs_with_two_space_indentation ... ok
[INFO] [stdout] test tests::rejects_refs_with_four_space_indentation - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/remove_links-e9d3ada8472a127b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/remove_markup-6d1cd136b76289bb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c534d64da97172f23a320ed17cc29638471e5a8c29dd54d0bfc480a11cfe5f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c534d64da97172f23a320ed17cc29638471e5a8c29dd54d0bfc480a11cfe5f96", kill_on_drop: false }`
[INFO] [stdout] c534d64da97172f23a320ed17cc29638471e5a8c29dd54d0bfc480a11cfe5f96