[INFO] fetching crate vignette 0.1.0... [INFO] testing vignette-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate vignette 0.1.0 into /workspace/builds/worker-94/source [INFO] validating manifest of crates.io crate vignette 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vignette 0.1.0 [INFO] finished tweaking crates.io crate vignette 0.1.0 [INFO] tweaked toml for crates.io crate vignette 0.1.0 written to /workspace/builds/worker-94/source/Cargo.toml [INFO] crate crates.io crate vignette 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cpp_demangle v0.2.16 [INFO] [stderr] Downloaded debugid v0.3.1 [INFO] [stderr] Downloaded goblin v0.0.19 [INFO] [stderr] Downloaded flate2 v1.0.17 [INFO] [stderr] Downloaded msvc-demangler v0.7.0 [INFO] [stderr] Downloaded bindgen v0.42.3 [INFO] [stderr] Downloaded nix v0.11.1 [INFO] [stderr] Downloaded dmsort v1.0.0 [INFO] [stderr] Downloaded threadinfo v0.1.0 [INFO] [stderr] Downloaded unwind-sys v0.1.1 [INFO] [stderr] Downloaded fallible-iterator v0.1.6 [INFO] [stderr] Downloaded symbolic-debuginfo v5.7.8 [INFO] [stderr] Downloaded symbolic-common v5.7.8 [INFO] [stderr] Downloaded symbolic-symcache v5.7.8 [INFO] [stderr] Downloaded goblin v0.0.17 [INFO] [stderr] Downloaded symbolic-demangle v5.7.8 [INFO] [stderr] Downloaded gimli v0.16.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7dec4a62ebd87513ad249c6a519792b07b04926c98f43c430de34837a00ad257 [INFO] running `Command { std: "docker" "start" "-a" "7dec4a62ebd87513ad249c6a519792b07b04926c98f43c430de34837a00ad257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7dec4a62ebd87513ad249c6a519792b07b04926c98f43c430de34837a00ad257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dec4a62ebd87513ad249c6a519792b07b04926c98f43c430de34837a00ad257", kill_on_drop: false }` [INFO] [stdout] 7dec4a62ebd87513ad249c6a519792b07b04926c98f43c430de34837a00ad257 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3aadbe4a74bf6d2e77a2a0548af5565f91036d1d4bc438cdf281a51a742420a0 [INFO] running `Command { std: "docker" "start" "-a" "3aadbe4a74bf6d2e77a2a0548af5565f91036d1d4bc438cdf281a51a742420a0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling proc-macro2 v1.0.20 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling fallible-iterator v0.1.6 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling nix v0.11.1 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling if_chain v0.1.3 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling vignette v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling dmsort v1.0.0 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling cpp_demangle v0.2.16 [INFO] [stderr] Compiling scroll v0.9.2 [INFO] [stderr] Compiling msvc-demangler v0.7.0 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling miniz_oxide v0.4.1 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling unwind-sys v0.1.1 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling gimli v0.16.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling flate2 v1.0.17 [INFO] [stderr] Compiling memmap v0.6.2 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling symbolic-demangle v5.7.8 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling debugid v0.3.1 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling scroll_derive v0.9.5 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling goblin v0.0.19 [INFO] [stderr] Compiling goblin v0.0.17 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling symbolic-common v5.7.8 [INFO] [stderr] Compiling symbolic-debuginfo v5.7.8 [INFO] [stderr] Compiling threadinfo v0.1.0 [INFO] [stderr] Compiling symbolic-symcache v5.7.8 [INFO] [stdout] warning: unused imports: `fs`, `process` [INFO] [stdout] --> src/lib_linux.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{cell::UnsafeCell, fs, io, mem, process}; [INFO] [stdout] | ^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/module_cache/linux.rs:68:57 [INFO] [stdout] | [INFO] [stdout] 68 | let mut mod_info: libc::Dl_info = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/generate_symbols.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | output_file.write(&output.stdout); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/speedscope.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | serde_json::to_writer_pretty(stdout.lock(), &speed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/resolve.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | writeln!(std::io::stderr(), "{:?}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `Command { std: "docker" "inspect" "3aadbe4a74bf6d2e77a2a0548af5565f91036d1d4bc438cdf281a51a742420a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3aadbe4a74bf6d2e77a2a0548af5565f91036d1d4bc438cdf281a51a742420a0", kill_on_drop: false }` [INFO] [stdout] 3aadbe4a74bf6d2e77a2a0548af5565f91036d1d4bc438cdf281a51a742420a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c206bbf1f99b2e141d2ac20059d163f5b2661e1ce6e8412385fb2505842165c6 [INFO] running `Command { std: "docker" "start" "-a" "c206bbf1f99b2e141d2ac20059d163f5b2661e1ce6e8412385fb2505842165c6", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `fs`, `process` [INFO] [stdout] --> src/lib_linux.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{cell::UnsafeCell, fs, io, mem, process}; [INFO] [stdout] | ^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling vignette v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/module_cache/linux.rs:68:57 [INFO] [stdout] | [INFO] [stdout] 68 | let mut mod_info: libc::Dl_info = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/generate_symbols.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | output_file.write(&output.stdout); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/speedscope.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | serde_json::to_writer_pretty(stdout.lock(), &speed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/resolve.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | writeln!(std::io::stderr(), "{:?}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fs`, `process` [INFO] [stdout] --> src/lib_linux.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{cell::UnsafeCell, fs, io, mem, process}; [INFO] [stdout] | ^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/module_cache/linux.rs:68:57 [INFO] [stdout] | [INFO] [stdout] 68 | let mut mod_info: libc::Dl_info = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "c206bbf1f99b2e141d2ac20059d163f5b2661e1ce6e8412385fb2505842165c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c206bbf1f99b2e141d2ac20059d163f5b2661e1ce6e8412385fb2505842165c6", kill_on_drop: false }` [INFO] [stdout] c206bbf1f99b2e141d2ac20059d163f5b2661e1ce6e8412385fb2505842165c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bb03028d2eb80f21ca0aefe815ac4f9749c4b0e5a26f9e1da571a17ca0bb3d24 [INFO] running `Command { std: "docker" "start" "-a" "bb03028d2eb80f21ca0aefe815ac4f9749c4b0e5a26f9e1da571a17ca0bb3d24", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `fs`, `process` [INFO] [stderr] --> src/lib_linux.rs:11:29 [INFO] [stderr] | [INFO] [stderr] 11 | use std::{cell::UnsafeCell, fs, io, mem, process}; [INFO] [stderr] | ^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/module_cache/linux.rs:68:57 [INFO] [stderr] | [INFO] [stderr] 68 | let mut mod_info: libc::Dl_info = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `vignette` (lib) generated 2 warnings [INFO] [stderr] warning: `vignette` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/resolve.rs:42:21 [INFO] [stderr] | [INFO] [stderr] 42 | writeln!(std::io::stderr(), "{:?}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/speedscope.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | serde_json::to_writer_pretty(stdout.lock(), &speed); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/generate_symbols.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | output_file.write(&output.stdout); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `vignette` (bin "resolve" test) generated 1 warning [INFO] [stderr] warning: `vignette` (bin "speedscope" test) generated 1 warning [INFO] [stderr] warning: `vignette` (bin "generate_symbols" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/vignette-502cf50f15c83386) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test lib_linux::tests::test_suspend_resume_unwind ... ignored [INFO] [stdout] test lib_linux::tests::test_semaphore ... ok [INFO] [stdout] test module_cache::linux::tests::test_rva ... ok [INFO] [stdout] test lib_linux::tests::test_suspend_resume ... ok [INFO] [stdout] test module_cache::linux::tests::test_cache ... ok [INFO] [stdout] test module_cache::linux::tests::test_fail ... FAILED [INFO] [stdout] test lib_linux::tests::test_suspend_resume_itself - should panic ... ok [INFO] [stdout] test lib_linux::tests::test_sigprof ... FAILED [INFO] [stdout] test tests::test_suspend_resume has been running for over 60 seconds [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "bb03028d2eb80f21ca0aefe815ac4f9749c4b0e5a26f9e1da571a17ca0bb3d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb03028d2eb80f21ca0aefe815ac4f9749c4b0e5a26f9e1da571a17ca0bb3d24", kill_on_drop: false }` [INFO] [stdout] bb03028d2eb80f21ca0aefe815ac4f9749c4b0e5a26f9e1da571a17ca0bb3d24