[INFO] fetching crate derive_environment 1.1.0...
[INFO] checking derive_environment-1.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate derive_environment 1.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate derive_environment 1.1.0
[INFO] finished tweaking crates.io crate derive_environment 1.1.0
[INFO] tweaked toml for crates.io crate derive_environment 1.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive_environment 1.1.0 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 crates.io crate derive_environment 1.1.0 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] f1bc9d443c32d37824d8cd7409287fff65249c98a37dd7345c2a8e58531adae3
[INFO] running `Command { std: "docker" "start" "-a" "f1bc9d443c32d37824d8cd7409287fff65249c98a37dd7345c2a8e58531adae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1bc9d443c32d37824d8cd7409287fff65249c98a37dd7345c2a8e58531adae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1bc9d443c32d37824d8cd7409287fff65249c98a37dd7345c2a8e58531adae3", kill_on_drop: false }`
[INFO] [stdout] f1bc9d443c32d37824d8cd7409287fff65249c98a37dd7345c2a8e58531adae3
[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] 44b613b12b685f090002ce0194e12df3e947d6670b6a370b8467204f505bbbfb
[INFO] running `Command { std: "docker" "start" "-a" "44b613b12b685f090002ce0194e12df3e947d6670b6a370b8467204f505bbbfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling derive_environment_macros v1.0.0
[INFO] [stderr]     Checking derive_environment v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout]  87 |                           *self = s.parse().map_err(|msg: <$type as FromStr>::Err| FromEnvError::ParseError(var.to_string(), msg.to_string(...
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 | / impl_using_from_str! {
[INFO] [stdout] 104 | |     u8, u16, u32, u64, u128,
[INFO] [stdout] 105 | |     i8, i16, i32, i64, i128,
[INFO] [stdout] 106 | |     bool, String, PathBuf,
[INFO] [stdout] 107 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_using_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout]  87 |                           *self = s.parse().map_err(|msg: <$type as FromStr>::Err| FromEnvError::ParseError(var.to_string(), msg.to_string(...
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 | / impl_using_from_str! {
[INFO] [stdout] 104 | |     u8, u16, u32, u64, u128,
[INFO] [stdout] 105 | |     i8, i16, i32, i64, i128,
[INFO] [stdout] 106 | |     bool, String, PathBuf,
[INFO] [stdout] 107 | | }
[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 `impl_using_from_str` (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: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout]  87 |                           *self = s.parse().map_err(|msg: <$type as FromStr>::Err| FromEnvError::ParseError(var.to_string(), msg.to_string(...
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 | / impl_using_from_str! {
[INFO] [stdout] 104 | |     u8, u16, u32, u64, u128,
[INFO] [stdout] 105 | |     i8, i16, i32, i64, i128,
[INFO] [stdout] 106 | |     bool, String, PathBuf,
[INFO] [stdout] 107 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_using_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout]  87 |                           *self = s.parse().map_err(|msg: <$type as FromStr>::Err| FromEnvError::ParseError(var.to_string(), msg.to_string(...
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 | / impl_using_from_str! {
[INFO] [stdout] 104 | |     u8, u16, u32, u64, u128,
[INFO] [stdout] 105 | |     i8, i16, i32, i64, i128,
[INFO] [stdout] 106 | |     bool, String, PathBuf,
[INFO] [stdout] 107 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_using_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive_environment` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `derive_environment` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "44b613b12b685f090002ce0194e12df3e947d6670b6a370b8467204f505bbbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b613b12b685f090002ce0194e12df3e947d6670b6a370b8467204f505bbbfb", kill_on_drop: false }`
[INFO] [stdout] 44b613b12b685f090002ce0194e12df3e947d6670b6a370b8467204f505bbbfb
