[INFO] cloning repository https://github.com/QnnOkabayashi/rust-course-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/QnnOkabayashi/rust-course-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQnnOkabayashi%2Frust-course-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQnnOkabayashi%2Frust-course-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cce63c528d94dcdc2383ddbcccf8cabbfb50e556
[INFO] testing QnnOkabayashi/rust-course-server against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQnnOkabayashi%2Frust-course-server" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/QnnOkabayashi/rust-course-server
[INFO] finished tweaking git repo https://github.com/QnnOkabayashi/rust-course-server
[INFO] tweaked toml for git repo https://github.com/QnnOkabayashi/rust-course-server written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/QnnOkabayashi/rust-course-server on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/QnnOkabayashi/rust-course-server 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11882c0b2050b67ba134631b3cf3d085b96597146b61d6570ed3a01e616670d5
[INFO] running `Command { std: "docker" "start" "-a" "11882c0b2050b67ba134631b3cf3d085b96597146b61d6570ed3a01e616670d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11882c0b2050b67ba134631b3cf3d085b96597146b61d6570ed3a01e616670d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11882c0b2050b67ba134631b3cf3d085b96597146b61d6570ed3a01e616670d5", kill_on_drop: false }`
[INFO] [stdout] 11882c0b2050b67ba134631b3cf3d085b96597146b61d6570ed3a01e616670d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 250a229c601149348eccf21684d58d6e07f8027516dd6dd15ce48f1a05ba74b3
[INFO] running `Command { std: "docker" "start" "-a" "250a229c601149348eccf21684d58d6e07f8027516dd6dd15ce48f1a05ba74b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling cursor v0.1.0 (https://github.com/QnnOkabayashi/rust-course-utils#c623f669)
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::Utf8Error`
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::Utf8Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `byte`, `integer`, `line`, `size`, and `slice`
[INFO] [stdout]  --> src/frame.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cursor::{byte, integer, line, size, slice};
[INFO] [stdout]   |              ^^^^  ^^^^^^^  ^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]  --> src/frame.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/frame.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn check(src: &mut Cursor<&[u8]>) -> Result<(), ParseError> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/frame.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn decode(src: &mut Cursor<&[u8]>) -> Result<Self, ParseError> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParseError` is never used
[INFO] [stdout]  --> src/error.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ParseError {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Frame` is never used
[INFO] [stdout]  --> src/frame.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Frame {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `check` and `decode` are never used
[INFO] [stdout]   --> src/frame.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Frame {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] 13 |     pub fn check(src: &mut Cursor<&[u8]>) -> Result<(), ParseError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn decode(src: &mut Cursor<&[u8]>) -> Result<Self, ParseError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "250a229c601149348eccf21684d58d6e07f8027516dd6dd15ce48f1a05ba74b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250a229c601149348eccf21684d58d6e07f8027516dd6dd15ce48f1a05ba74b3", kill_on_drop: false }`
[INFO] [stdout] 250a229c601149348eccf21684d58d6e07f8027516dd6dd15ce48f1a05ba74b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba2671239627258df4c359ccf48df248f243152ae9a54caad2b3a74e9614bcf
[INFO] running `Command { std: "docker" "start" "-a" "5ba2671239627258df4c359ccf48df248f243152ae9a54caad2b3a74e9614bcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::Utf8Error`
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::Utf8Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `byte`, `integer`, `line`, `size`, and `slice`
[INFO] [stdout]  --> src/frame.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cursor::{byte, integer, line, size, slice};
[INFO] [stdout]   |              ^^^^  ^^^^^^^  ^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]  --> src/frame.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/frame.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn check(src: &mut Cursor<&[u8]>) -> Result<(), ParseError> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/frame.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn decode(src: &mut Cursor<&[u8]>) -> Result<Self, ParseError> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FrameType` is never constructed
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ParseError {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] 6 |     Cursor(CursorError),
[INFO] [stdout] 7 |     FrameType(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Simple` is never constructed
[INFO] [stdout]  --> src/frame.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Frame {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 8 |     Simple(String),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]   --> src/frame.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Frame {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn decode(src: &mut Cursor<&[u8]>) -> Result<Self, ParseError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "5ba2671239627258df4c359ccf48df248f243152ae9a54caad2b3a74e9614bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba2671239627258df4c359ccf48df248f243152ae9a54caad2b3a74e9614bcf", kill_on_drop: false }`
[INFO] [stdout] 5ba2671239627258df4c359ccf48df248f243152ae9a54caad2b3a74e9614bcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0acdb5ca803287af331c1adfa40a027ca5e9cf708f415c77422e05432ed13e2c
[INFO] running `Command { std: "docker" "start" "-a" "0acdb5ca803287af331c1adfa40a027ca5e9cf708f415c77422e05432ed13e2c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::str::Utf8Error`
[INFO] [stderr]  --> src/error.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str::Utf8Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `byte`, `integer`, `line`, `size`, and `slice`
[INFO] [stderr]  --> src/frame.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | use cursor::{byte, integer, line, size, slice};
[INFO] [stderr]   |              ^^^^  ^^^^^^^  ^^^^  ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::from_utf8`
[INFO] [stderr]  --> src/frame.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::from_utf8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/frame.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn check(src: &mut Cursor<&[u8]>) -> Result<(), ParseError> {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/frame.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn decode(src: &mut Cursor<&[u8]>) -> Result<Self, ParseError> {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FrameType` is never constructed
[INFO] [stderr]  --> src/error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum ParseError {
[INFO] [stderr]   |          ---------- variant in this enum
[INFO] [stderr] 6 |     Cursor(CursorError),
[INFO] [stderr] 7 |     FrameType(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Simple` is never constructed
[INFO] [stderr]  --> src/frame.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum Frame {
[INFO] [stderr]   |          ----- variant in this enum
[INFO] [stderr] 8 |     Simple(String),
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `decode` is never used
[INFO] [stderr]   --> src/frame.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Frame {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn decode(src: &mut Cursor<&[u8]>) -> Result<Self, ParseError> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `server` (bin "server" test) generated 8 warnings (run `cargo fix --bin "server" -p server --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/server-86e12b5fff5e4cfa)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test frame::tests::test_check ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- frame::tests::test_check stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'frame::tests::test_check' (17) panicked at src/frame.rs:14:9:
[INFO] [stdout] not yet implemented: implement Frame::check
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c9343624cf2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c9343624cf2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c9343624cf2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c9343624cf2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c9343634b2f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c9343634b2f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5c93435f27c3 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c93435f27c3 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c93435fe562 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c934360303f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5c9343602ed1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5c93435c609e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5c93435c609e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c934360364f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5c934360364f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5c9343603476 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5c93435fe699 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c93435e6f8d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5c934363c270 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c93435a575d - server::frame::Frame::check::h8731f7ac002015aa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/frame.rs:14:9
[INFO] [stdout]   20:     0x5c93435a5793 - server::frame::tests::test_check::ha3f7580db30da4a1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/frame.rs:30:17
[INFO] [stdout]   21:     0x5c93435a57d7 - server::frame::tests::test_check::{{closure}}::h4b931c78528d273c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/frame.rs:27:20
[INFO] [stdout]   22:     0x5c93435a4b96 - core::ops::function::FnOnce::call_once::h691a11d60216e649
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5c93435c5e9b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c93435c5e9b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5c93435d9efd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5c93435d9efd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5c93435d9efd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5c93435d9efd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5c93435d9efd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c93435d9efd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5c93435d9efd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5c93435b3444 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5c93435b3444 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5c93435b6c9a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   35:     0x5c93435b6c9a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5c93435b6c9a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x5c93435b6c9a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x5c93435b6c9a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c93435b6c9a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   40:     0x5c93435b6c9a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5c93435f9a9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   42:     0x5c93435f9a9f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   43:     0x799b8b028aa4 - <unknown>
[INFO] [stdout]   44:     0x799b8b0b5a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     frame::tests::test_check
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin server`
[INFO] running `Command { std: "docker" "inspect" "0acdb5ca803287af331c1adfa40a027ca5e9cf708f415c77422e05432ed13e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0acdb5ca803287af331c1adfa40a027ca5e9cf708f415c77422e05432ed13e2c", kill_on_drop: false }`
[INFO] [stdout] 0acdb5ca803287af331c1adfa40a027ca5e9cf708f415c77422e05432ed13e2c
