[INFO] fetching crate udbg 0.2.1... [INFO] checking udbg-0.2.1 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743 [INFO] extracting crate udbg 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate udbg 0.2.1 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate udbg 0.2.1 [INFO] finished tweaking crates.io crate udbg 0.2.1 [INFO] tweaked toml for crates.io crate udbg 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate udbg 0.2.1 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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-implement v0.35.0 [INFO] [stderr] Downloaded windows-tokens v0.35.0 [INFO] [stderr] Downloaded corepack v0.4.1 [INFO] [stderr] Downloaded libproc v0.11.1 [INFO] [stderr] Downloaded mach2 v0.4.0 [INFO] [stderr] Downloaded msvc-demangler v0.9.0 [INFO] [stderr] Downloaded cpp_demangle v0.3.3 [INFO] [stderr] Downloaded pdb v0.7.0 [INFO] [stderr] Downloaded linux-raw-sys v0.0.42 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.35.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.35.0 [INFO] [stderr] Downloaded flexi_logger v0.22.3 [INFO] [stderr] Downloaded cstrptr v0.1.2 [INFO] [stderr] Downloaded minidump v0.10.3 [INFO] [stderr] Downloaded procfs v0.12.0 [INFO] [stderr] Downloaded rustyline v9.0.0 [INFO] [stderr] Downloaded windows v0.35.0 [INFO] [stderr] Downloaded llua v0.1.1 [INFO] [stderr] Downloaded windows_i686_gnu v0.35.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.35.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.35.0 [INFO] [stderr] Downloaded lua-src v544.0.1 [INFO] [stderr] Downloaded iced-x86 v1.15.0 [INFO] [stderr] Downloaded clap v3.1.14 [INFO] [stderr] Downloaded rustix v0.34.1 [INFO] [stderr] Downloaded minidump-common v0.10.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d888a287675bd411bff5413caf3cca328f78e3dcc9f2a45b6c8a90664ebaf4ac [INFO] running `Command { std: "docker" "start" "-a" "d888a287675bd411bff5413caf3cca328f78e3dcc9f2a45b6c8a90664ebaf4ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d888a287675bd411bff5413caf3cca328f78e3dcc9f2a45b6c8a90664ebaf4ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d888a287675bd411bff5413caf3cca328f78e3dcc9f2a45b6c8a90664ebaf4ac", kill_on_drop: false }` [INFO] [stdout] d888a287675bd411bff5413caf3cca328f78e3dcc9f2a45b6c8a90664ebaf4ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1eddf5607a1b17e781a09f717c2cac893dede9cd347fc2b2753c6dfffc54769f [INFO] running `Command { std: "docker" "start" "-a" "1eddf5607a1b17e781a09f717c2cac893dede9cd347fc2b2753c6dfffc54769f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling cc v1.0.71 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling crossbeam-queue v0.3.4 [INFO] [stderr] Compiling time-macros v0.2.3 [INFO] [stderr] Compiling lua-src v544.0.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking num_threads v0.1.3 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] 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[INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking fd-lock v3.0.5 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking unicode-segmentation v1.8.0 [INFO] [stderr] Compiling scroll_derive v0.11.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking scroll v0.11.0 [INFO] [stderr] Compiling enum-primitive-derive v0.2.2 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Compiling smart-default v0.6.0 [INFO] [stderr] Compiling derive_more v0.99.16 [INFO] [stderr] Checking goblin v0.5.1 [INFO] [stderr] Compiling ctor v0.1.21 [INFO] [stderr] Compiling extend v1.1.2 [INFO] [stderr] Checking minidump-common v0.10.3 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Checking rustyline v9.0.0 [INFO] [stderr] Checking flexi_logger v0.22.3 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking clap v3.1.14 [INFO] [stderr] Checking corepack v0.4.1 [INFO] [stderr] Checking serde-value v0.7.0 [INFO] [stderr] Checking minidump v0.10.3 [INFO] [stderr] Checking udbg v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pdbfile` [INFO] [stdout] --> src/lua/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | pdbfile, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt` [INFO] [stdout] --> src/os/unix/mod.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use core::{cell::Cell, fmt}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pdbfile` [INFO] [stdout] --> src/lua/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | pdbfile, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt` [INFO] [stdout] --> src/os/unix/mod.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use core::{cell::Cell, fmt}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(once_cell)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_ptr_offset_from` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(const_ptr_offset_from)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(once_cell)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_ptr_offset_from` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(const_ptr_offset_from)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/os/linux/process.rs:161:17 [INFO] [stdout] | [INFO] [stdout] 161 | let mut result = MemoryPage { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/os/linux/process.rs:161:17 [INFO] [stdout] | [INFO] [stdout] 161 | let mut result = MemoryPage { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/symbol.rs:383:33 [INFO] [stdout] | [INFO] [stdout] 383 | *syms.pdb.write() = Some(match path { [INFO] [stdout] | _________________________________^^^^_- [INFO] [stdout] | | | [INFO] [stdout] | | unreachable call [INFO] [stdout] 384 | | // TODO: [INFO] [stdout] 385 | | #[cfg(windows)] [INFO] [stdout] 386 | | Some(path) => Arc::new(crate::pdbfile::PDBData::load(path, None)?), [INFO] [stdout] ... | [INFO] [stdout] 389 | | None => return Err(UDbgError::NotFound), [INFO] [stdout] 390 | | }); [INFO] [stdout] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/symbol.rs:383:33 [INFO] [stdout] | [INFO] [stdout] 383 | *syms.pdb.write() = Some(match path { [INFO] [stdout] | _________________________________^^^^_- [INFO] [stdout] | | | [INFO] [stdout] | | unreachable call [INFO] [stdout] 384 | | // TODO: [INFO] [stdout] 385 | | #[cfg(windows)] [INFO] [stdout] 386 | | Some(path) => Arc::new(crate::pdbfile::PDBData::load(path, None)?), [INFO] [stdout] ... | [INFO] [stdout] 389 | | None => return Err(UDbgError::NotFound), [INFO] [stdout] 390 | | }); [INFO] [stdout] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `Iterator::map` call that discard the iterator's values [INFO] [stdout] --> src/os/linux/process.rs:72:35 [INFO] [stdout] | [INFO] [stdout] 72 | data.split(|b| *b == 0u8).map(|b| unsafe { [INFO] [stdout] | ^ --- [INFO] [stdout] | | | [INFO] [stdout] | _____________________________________|___this function returns `()`, which is likely not what you wanted [INFO] [stdout] | | ___________________________________| [INFO] [stdout] | | | [INFO] [stdout] 73 | | | let item = std::str::from_utf8_unchecked(b); [INFO] [stdout] 74 | | | let mut i = item.split("="); [INFO] [stdout] 75 | | | if let Some(name) = i.next() { [INFO] [stdout] 76 | | | result.insert(name.to_string(), i.next().unwrap().into()); [INFO] [stdout] 77 | | | } [INFO] [stdout] 78 | | | }); [INFO] [stdout] | | | -^ after this call to map, the resulting iterator is `impl Iterator`, which means the only information carried by the iterator is the number of items [INFO] [stdout] | | |_________|| [INFO] [stdout] | |___________| [INFO] [stdout] | called `Iterator::map` with callable that returns `()` [INFO] [stdout] | [INFO] [stdout] = note: `Iterator::map`, like many of the methods on `Iterator`, gets executed lazily, meaning that its effects won't be visible until it is iterated [INFO] [stdout] = note: `#[warn(map_unit_fn)]` on by default [INFO] [stdout] help: you might have meant to use `Iterator::for_each` [INFO] [stdout] | [INFO] [stdout] 72 | data.split(|b| *b == 0u8).for_each(|b| unsafe { [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `Iterator::map` call that discard the iterator's values [INFO] [stdout] --> src/os/linux/process.rs:72:35 [INFO] [stdout] | [INFO] [stdout] 72 | data.split(|b| *b == 0u8).map(|b| unsafe { [INFO] [stdout] | ^ --- [INFO] [stdout] | | | [INFO] [stdout] | _____________________________________|___this function returns `()`, which is likely not what you wanted [INFO] [stdout] | | ___________________________________| [INFO] [stdout] | | | [INFO] [stdout] 73 | | | let item = std::str::from_utf8_unchecked(b); [INFO] [stdout] 74 | | | let mut i = item.split("="); [INFO] [stdout] 75 | | | if let Some(name) = i.next() { [INFO] [stdout] 76 | | | result.insert(name.to_string(), i.next().unwrap().into()); [INFO] [stdout] 77 | | | } [INFO] [stdout] 78 | | | }); [INFO] [stdout] | | | -^ after this call to map, the resulting iterator is `impl Iterator`, which means the only information carried by the iterator is the number of items [INFO] [stdout] | | |_________|| [INFO] [stdout] | |___________| [INFO] [stdout] | called `Iterator::map` with callable that returns `()` [INFO] [stdout] | [INFO] [stdout] = note: `Iterator::map`, like many of the methods on `Iterator`, gets executed lazily, meaning that its effects won't be visible until it is iterated [INFO] [stdout] = note: `#[warn(map_unit_fn)]` on by default [INFO] [stdout] help: you might have meant to use `Iterator::for_each` [INFO] [stdout] | [INFO] [stdout] 72 | data.split(|b| *b == 0u8).for_each(|b| unsafe { [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `Command { std: "docker" "inspect" "1eddf5607a1b17e781a09f717c2cac893dede9cd347fc2b2753c6dfffc54769f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eddf5607a1b17e781a09f717c2cac893dede9cd347fc2b2753c6dfffc54769f", kill_on_drop: false }` [INFO] [stdout] 1eddf5607a1b17e781a09f717c2cac893dede9cd347fc2b2753c6dfffc54769f