[INFO] cloning repository https://github.com/leon0017/uk-trains
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leon0017/uk-trains" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleon0017%2Fuk-trains", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleon0017%2Fuk-trains'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03e2d4a410c6a8393ee20635978c9a1608d78833
[INFO] checking leon0017/uk-trains 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%2Fleon0017%2Fuk-trains" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leon0017/uk-trains
[INFO] finished tweaking git repo https://github.com/leon0017/uk-trains
[INFO] tweaked toml for git repo https://github.com/leon0017/uk-trains written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leon0017/uk-trains 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/leon0017/uk-trains 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0f975ab7497f701dff132ee8e252f273e021ac545c644cef588681d7cab0feff
[INFO] running `Command { std: "docker" "start" "-a" "0f975ab7497f701dff132ee8e252f273e021ac545c644cef588681d7cab0feff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f975ab7497f701dff132ee8e252f273e021ac545c644cef588681d7cab0feff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f975ab7497f701dff132ee8e252f273e021ac545c644cef588681d7cab0feff", kill_on_drop: false }`
[INFO] [stdout] 0f975ab7497f701dff132ee8e252f273e021ac545c644cef588681d7cab0feff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 65d99d5ac41dc6042e5cf4e81ed7d7ef186d3b43f4f02c86f7f82b774725f9fc
[INFO] running `Command { std: "docker" "start" "-a" "65d99d5ac41dc6042e5cf4e81ed7d7ef186d3b43f4f02c86f7f82b774725f9fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_tokenstream v0.2.2
[INFO] [stderr]    Compiling yaserde_derive v0.12.0
[INFO] [stderr]     Checking yaserde v0.12.0
[INFO] [stderr]     Checking uk-trains v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/open_ldbws.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, YaDeserialize, YaSerialize)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `YaDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/open_ldbws.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[derive(Debug, Default, YaDeserialize, YaSerialize)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `YaDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/open_ldbws.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[derive(Debug, Default, YaDeserialize, YaSerialize)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `YaDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/open_ldbws.rs:164:26
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[derive(Debug, Default, YaDeserialize, YaSerialize)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `YaDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uk-trains` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/open_ldbws.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, YaDeserialize, YaSerialize)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `YaDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/open_ldbws.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[derive(Debug, Default, YaDeserialize, YaSerialize)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `YaDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/open_ldbws.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[derive(Debug, Default, YaDeserialize, YaSerialize)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `YaDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/open_ldbws.rs:164:26
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[derive(Debug, Default, YaDeserialize, YaSerialize)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `YaDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uk-trains` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "65d99d5ac41dc6042e5cf4e81ed7d7ef186d3b43f4f02c86f7f82b774725f9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d99d5ac41dc6042e5cf4e81ed7d7ef186d3b43f4f02c86f7f82b774725f9fc", kill_on_drop: false }`
[INFO] [stdout] 65d99d5ac41dc6042e5cf4e81ed7d7ef186d3b43f4f02c86f7f82b774725f9fc
