[INFO] cloning repository https://github.com/yurimorini/books
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yurimorini/books" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurimorini%2Fbooks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurimorini%2Fbooks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b01e952225a4605ee234abb972f20e98e780418
[INFO] checking yurimorini/books against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurimorini%2Fbooks" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yurimorini/books
[INFO] finished tweaking git repo https://github.com/yurimorini/books
[INFO] tweaked toml for git repo https://github.com/yurimorini/books written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yurimorini/books on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yurimorini/books 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71390bcf0cbe2e96bc153f126c0f68ec2cede4e19720c51aba3d0d9f2c074289
[INFO] running `Command { std: "docker" "start" "-a" "71390bcf0cbe2e96bc153f126c0f68ec2cede4e19720c51aba3d0d9f2c074289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71390bcf0cbe2e96bc153f126c0f68ec2cede4e19720c51aba3d0d9f2c074289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71390bcf0cbe2e96bc153f126c0f68ec2cede4e19720c51aba3d0d9f2c074289", kill_on_drop: false }`
[INFO] [stdout] 71390bcf0cbe2e96bc153f126c0f68ec2cede4e19720c51aba3d0d9f2c074289
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f4c9398cc05300ae128085643fc38042b95717ebd4b2808db8ce24b6be9a7f
[INFO] running `Command { std: "docker" "start" "-a" "b8f4c9398cc05300ae128085643fc38042b95717ebd4b2808db8ce24b6be9a7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking ipnet v2.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking openssl-sys v0.9.72
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking openssl v0.10.38
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking home-dir v0.1.0
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.12
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking books v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/cli/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     #[clap(short, long)]
[INFO] [stdout] 7 | |     pub input_file: Option<String>,
[INFO] [stdout]   | |__________________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/args.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     #[clap(short, long, default_value_t = String::from("./library.json"), env="BOOK_OUTPUT")]
[INFO] [stdout] 10 | |     pub output_file: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/args.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[clap(short, long, default_value_t = String::from("~/.books/config.json"), env="BOOK_CONFIG")]
[INFO] [stdout] 13 | |     pub config_file: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/args.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub isbn_list: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/cli/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     #[clap(short, long)]
[INFO] [stdout] 7 | |     pub input_file: Option<String>,
[INFO] [stdout]   | |__________________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/args.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     #[clap(short, long, default_value_t = String::from("./library.json"), env="BOOK_OUTPUT")]
[INFO] [stdout] 10 | |     pub output_file: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/args.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[clap(short, long, default_value_t = String::from("~/.books/config.json"), env="BOOK_CONFIG")]
[INFO] [stdout] 13 | |     pub config_file: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/args.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub isbn_list: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `books` (bin "books") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `books` (bin "books" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b8f4c9398cc05300ae128085643fc38042b95717ebd4b2808db8ce24b6be9a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f4c9398cc05300ae128085643fc38042b95717ebd4b2808db8ce24b6be9a7f", kill_on_drop: false }`
[INFO] [stdout] b8f4c9398cc05300ae128085643fc38042b95717ebd4b2808db8ce24b6be9a7f