[INFO] fetching crate vignette 0.1.0...
[INFO] testing vignette-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate vignette 0.1.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate vignette 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-30/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be23fd9cd1a669651e972739d7a4a35e84e42181743f983484f1c5ffc4e71412
[INFO] running `Command { std: "docker" "start" "-a" "be23fd9cd1a669651e972739d7a4a35e84e42181743f983484f1c5ffc4e71412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be23fd9cd1a669651e972739d7a4a35e84e42181743f983484f1c5ffc4e71412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be23fd9cd1a669651e972739d7a4a35e84e42181743f983484f1c5ffc4e71412", kill_on_drop: false }`
[INFO] [stdout] be23fd9cd1a669651e972739d7a4a35e84e42181743f983484f1c5ffc4e71412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8292d7305220ef33f314ff635a6009cfd3f895cc9bfcb984a7cf0fda1795c003
[INFO] running `Command { std: "docker" "start" "-a" "8292d7305220ef33f314ff635a6009cfd3f895cc9bfcb984a7cf0fda1795c003", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[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 gimli v0.22.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling fallible-iterator v0.1.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling vignette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling dmsort v1.0.0
[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 failure_derive v0.1.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling msvc-demangler v0.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling cpp_demangle v0.2.16
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling unwind-sys v0.1.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling symbolic-demangle v5.7.8
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling gimli v0.16.1
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling debugid v0.3.1
[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:68:52
[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 27.27s
[INFO] running `Command { std: "docker" "inspect" "8292d7305220ef33f314ff635a6009cfd3f895cc9bfcb984a7cf0fda1795c003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8292d7305220ef33f314ff635a6009cfd3f895cc9bfcb984a7cf0fda1795c003", kill_on_drop: false }`
[INFO] [stdout] 8292d7305220ef33f314ff635a6009cfd3f895cc9bfcb984a7cf0fda1795c003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15bb41945e15b8973383f815a13c106b794840a09679fe520920c1ccb3ce0687
[INFO] running `Command { std: "docker" "start" "-a" "15bb41945e15b8973383f815a13c106b794840a09679fe520920c1ccb3ce0687", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vignette v0.1.0 (/opt/rustwide/workdir)
[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:68:52
[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:68:52
[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 2.74s
[INFO] running `Command { std: "docker" "inspect" "15bb41945e15b8973383f815a13c106b794840a09679fe520920c1ccb3ce0687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bb41945e15b8973383f815a13c106b794840a09679fe520920c1ccb3ce0687", kill_on_drop: false }`
[INFO] [stdout] 15bb41945e15b8973383f815a13c106b794840a09679fe520920c1ccb3ce0687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3970af7be01017c8571be79f091f8720c579e29a7da3889dd20c8f9ca6e7bf92
[INFO] running `Command { std: "docker" "start" "-a" "3970af7be01017c8571be79f091f8720c579e29a7da3889dd20c8f9ca6e7bf92", 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:68:52
[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: 2 warnings emitted
[INFO] [stderr] 
[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:68:52
[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: 2 warnings emitted
[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: 1 warning emitted
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vignette-1c22636285dfc02e)
[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_sigprof ... 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_suspend_resume has been running for over 60 seconds
[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" "3970af7be01017c8571be79f091f8720c579e29a7da3889dd20c8f9ca6e7bf92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3970af7be01017c8571be79f091f8720c579e29a7da3889dd20c8f9ca6e7bf92", kill_on_drop: false }`
[INFO] [stdout] 3970af7be01017c8571be79f091f8720c579e29a7da3889dd20c8f9ca6e7bf92
