[INFO] cloning repository https://github.com/fwxs/mergen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fwxs/mergen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwxs%2Fmergen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwxs%2Fmergen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f23c119c101f45c4c24e7ba190be04b1df67fff
[INFO] checking fwxs/mergen 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%2Ffwxs%2Fmergen" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fwxs/mergen
[INFO] finished tweaking git repo https://github.com/fwxs/mergen
[INFO] tweaked toml for git repo https://github.com/fwxs/mergen written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fwxs/mergen 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/fwxs/mergen 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e3ca96080154452362956579088cc2585a37105bc653dfac305a674ef6a1f6c7
[INFO] running `Command { std: "docker" "start" "-a" "e3ca96080154452362956579088cc2585a37105bc653dfac305a674ef6a1f6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ca96080154452362956579088cc2585a37105bc653dfac305a674ef6a1f6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ca96080154452362956579088cc2585a37105bc653dfac305a674ef6a1f6c7", kill_on_drop: false }`
[INFO] [stdout] e3ca96080154452362956579088cc2585a37105bc653dfac305a674ef6a1f6c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cb06862056c12498a32a45c303b1409e16a958af8c14e7775d1476071effe2d4
[INFO] running `Command { std: "docker" "start" "-a" "cb06862056c12498a32a45c303b1409e16a958af8c14e7775d1476071effe2d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking xml5ever v0.17.0
[INFO] [stderr]     Checking markup5ever_rcdom v0.2.0
[INFO] [stderr]     Checking select v0.6.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking mergen 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/commands/mod.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | /         #[structopt(long = "from")]
[INFO] [stdout] 143 | |         extract_from: String,
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mergen` (lib) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/commands/mod.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     #[structopt(long, global = true)]
[INFO] [stdout] 250 | |     output_file: Option<String>,
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `set_error_response` is never used
[INFO] [stdout]   --> src/lib.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     impl FakeHttpReqwest {
[INFO] [stdout]    |     -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |         pub fn set_error_response(mut self, error: Error) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/commands/mod.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | /         #[structopt(long = "from")]
[INFO] [stdout] 143 | |         extract_from: 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/commands/mod.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     #[structopt(long, global = true)]
[INFO] [stdout] 250 | |     output_file: Option<String>,
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mergen` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cb06862056c12498a32a45c303b1409e16a958af8c14e7775d1476071effe2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb06862056c12498a32a45c303b1409e16a958af8c14e7775d1476071effe2d4", kill_on_drop: false }`
[INFO] [stdout] cb06862056c12498a32a45c303b1409e16a958af8c14e7775d1476071effe2d4
