[INFO] cloning repository https://github.com/lennart-k/matchit-serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lennart-k/matchit-serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flennart-k%2Fmatchit-serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flennart-k%2Fmatchit-serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e18e65d75cb20ab5f6a193c84a87ee2db8e6ae0b
[INFO] checking lennart-k/matchit-serde 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%2Flennart-k%2Fmatchit-serde" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lennart-k/matchit-serde
[INFO] finished tweaking git repo https://github.com/lennart-k/matchit-serde
[INFO] tweaked toml for git repo https://github.com/lennart-k/matchit-serde written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lennart-k/matchit-serde 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/lennart-k/matchit-serde 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 43a0da26cdf41eab20385c9e1816f196cc66e5428265486eb2cb089b7bf4a2e0
[INFO] running `Command { std: "docker" "start" "-a" "43a0da26cdf41eab20385c9e1816f196cc66e5428265486eb2cb089b7bf4a2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43a0da26cdf41eab20385c9e1816f196cc66e5428265486eb2cb089b7bf4a2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a0da26cdf41eab20385c9e1816f196cc66e5428265486eb2cb089b7bf4a2e0", kill_on_drop: false }`
[INFO] [stdout] 43a0da26cdf41eab20385c9e1816f196cc66e5428265486eb2cb089b7bf4a2e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5d151d6636bf1d746def324b9ed4e157e1913ff2568f23a4d03af098c3f512c4
[INFO] running `Command { std: "docker" "start" "-a" "5d151d6636bf1d746def324b9ed4e157e1913ff2568f23a4d03af098c3f512c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking matchit v0.9.0
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking matchit-serde 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/lib.rs:36:29
[INFO] [stdout]     |
[INFO] [stdout]  36 |                   let value = value
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout]  37 | |                     .parse()
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] ...
[INFO] [stdout] 157 |       macros::parse_single_value!(deserialize_string, visit_string, "String");
[INFO] [stdout]     |       ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `macros::parse_single_value` (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<std::string::String, Infallible>
[INFO] [stdout]    --> src/lib.rs:36:29
[INFO] [stdout]     |
[INFO] [stdout]  36 |                   let value = value
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout]  37 | |                     .parse()
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] ...
[INFO] [stdout] 158 |       macros::parse_single_value!(deserialize_byte_buf, visit_string, "String");
[INFO] [stdout]     |       ------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `macros::parse_single_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matchit-serde` (lib) due to 2 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<std::string::String, Infallible>
[INFO] [stdout]    --> src/lib.rs:36:29
[INFO] [stdout]     |
[INFO] [stdout]  36 |                   let value = value
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout]  37 | |                     .parse()
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] ...
[INFO] [stdout] 157 |       macros::parse_single_value!(deserialize_string, visit_string, "String");
[INFO] [stdout]     |       ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `macros::parse_single_value` (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<std::string::String, Infallible>
[INFO] [stdout]    --> src/lib.rs:36:29
[INFO] [stdout]     |
[INFO] [stdout]  36 |                   let value = value
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout]  37 | |                     .parse()
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] ...
[INFO] [stdout] 158 |       macros::parse_single_value!(deserialize_byte_buf, visit_string, "String");
[INFO] [stdout]     |       ------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `macros::parse_single_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matchit-serde` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5d151d6636bf1d746def324b9ed4e157e1913ff2568f23a4d03af098c3f512c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d151d6636bf1d746def324b9ed4e157e1913ff2568f23a4d03af098c3f512c4", kill_on_drop: false }`
[INFO] [stdout] 5d151d6636bf1d746def324b9ed4e157e1913ff2568f23a4d03af098c3f512c4
