[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 [INFO] [stdout] --> src/lib.rs:87:33 [INFO] [stdout] | [INFO] [stdout] 87 | *self = s.parse().map_err(|msg: <$type as FromStr>::Err| FromEnvError::ParseError(var.to_string(), msg.to_string(... [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | / impl_using_from_str! { [INFO] [stdout] 104 | | u8, u16, u32, u64, u128, [INFO] [stdout] 105 | | i8, i16, i32, i64, i128, [INFO] [stdout] 106 | | bool, String, PathBuf, [INFO] [stdout] 107 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `impl_using_from_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:87:33 [INFO] [stdout] | [INFO] [stdout] 87 | *self = s.parse().map_err(|msg: <$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 [INFO] [stdout] --> src/lib.rs:87:33 [INFO] [stdout] | [INFO] [stdout] 87 | *self = s.parse().map_err(|msg: <$type as FromStr>::Err| FromEnvError::ParseError(var.to_string(), msg.to_string(... [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | / impl_using_from_str! { [INFO] [stdout] 104 | | u8, u16, u32, u64, u128, [INFO] [stdout] 105 | | i8, i16, i32, i64, i128, [INFO] [stdout] 106 | | bool, String, PathBuf, [INFO] [stdout] 107 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_using_from_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:87:33 [INFO] [stdout] | [INFO] [stdout] 87 | *self = s.parse().map_err(|msg: <$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