[INFO] fetching crate ugdb 0.1.12... [INFO] checking ugdb-0.1.12 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate ugdb 0.1.12 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate ugdb 0.1.12 [INFO] finished tweaking crates.io crate ugdb 0.1.12 [INFO] tweaked toml for crates.io crate ugdb 0.1.12 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ugdb 0.1.12 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 ugdb 0.1.12 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 368ebab3acb7ef581cc004d1c69e3733cbbd199cc1e3c4679583030db1720b36 [INFO] running `Command { std: "docker" "start" "-a" "368ebab3acb7ef581cc004d1c69e3733cbbd199cc1e3c4679583030db1720b36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "368ebab3acb7ef581cc004d1c69e3733cbbd199cc1e3c4679583030db1720b36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "368ebab3acb7ef581cc004d1c69e3733cbbd199cc1e3c4679583030db1720b36", kill_on_drop: false }` [INFO] [stdout] 368ebab3acb7ef581cc004d1c69e3733cbbd199cc1e3c4679583030db1720b36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1db4f8a963b1ea9c1478f6781f0d0af44c1b93bdd44a9a4b7dcc3b640e571da8 [INFO] running `Command { std: "docker" "start" "-a" "1db4f8a963b1ea9c1478f6781f0d0af44c1b93bdd44a9a4b7dcc3b640e571da8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.218 [INFO] [stderr] Compiling num-complex v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling ndarray v0.8.4 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking str_indices v0.4.4 [INFO] [stderr] Checking smallvec v1.14.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Compiling onig_sys v68.2.1 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Compiling plist v0.2.4 [INFO] [stderr] Compiling syn v2.0.99 [INFO] [stderr] Checking ropey v1.6.1 [INFO] [stderr] Checking xml-rs v0.7.0 [INFO] [stderr] Checking base64 v0.8.0 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking glob v0.3.2 [INFO] [stderr] Checking json v0.11.15 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking chrono v0.4.40 [INFO] [stderr] Checking parse_int v0.5.0 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking unix_socket v0.5.0 [INFO] [stderr] Checking flexi_logger v0.11.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Checking onig v3.2.2 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.218 [INFO] [stderr] Compiling ugdb v0.1.12 (/opt/rustwide/workdir) [INFO] [stderr] Checking raw_tty v0.1.0 [INFO] [stderr] Checking unsegen v0.3.1 [INFO] [stderr] Checking unsegen_signals v0.3.0 [INFO] [stderr] Checking unsegen_jsonviewer v0.3.0 [INFO] [stderr] Checking unsegen_terminal v0.3.2 [INFO] [stderr] Checking syntect v2.1.0 [INFO] [stderr] Checking unsegen_pager v0.3.0 [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(StructOpt)] [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 `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gdb_expression_parsing/mod.rs:9:39 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn parse_gdb_value(result_string: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 9 | pub fn parse_gdb_value(result_string: &str) -> Result, ParseError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(StructOpt)] [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 `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ugdb` (bin "ugdb") due to 1 previous error; 1 warning emitted [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gdb_expression_parsing/mod.rs:9:39 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn parse_gdb_value(result_string: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 9 | pub fn parse_gdb_value(result_string: &str) -> Result, ParseError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `ugdb` (bin "ugdb" test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1db4f8a963b1ea9c1478f6781f0d0af44c1b93bdd44a9a4b7dcc3b640e571da8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1db4f8a963b1ea9c1478f6781f0d0af44c1b93bdd44a9a4b7dcc3b640e571da8", kill_on_drop: false }` [INFO] [stdout] 1db4f8a963b1ea9c1478f6781f0d0af44c1b93bdd44a9a4b7dcc3b640e571da8