[INFO] fetching crate dkb-rs 0.0.1-alpha.2...
[INFO] testing dkb-rs-0.0.1-alpha.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate dkb-rs 0.0.1-alpha.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate dkb-rs 0.0.1-alpha.2
[INFO] finished tweaking crates.io crate dkb-rs 0.0.1-alpha.2
[INFO] tweaked toml for crates.io crate dkb-rs 0.0.1-alpha.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dkb-rs 0.0.1-alpha.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1c57a0942c039d78e217fddbe274aa43230f53f9750451ba1f2329435a4ba92
[INFO] running `Command { std: "docker" "start" "-a" "b1c57a0942c039d78e217fddbe274aa43230f53f9750451ba1f2329435a4ba92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1c57a0942c039d78e217fddbe274aa43230f53f9750451ba1f2329435a4ba92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c57a0942c039d78e217fddbe274aa43230f53f9750451ba1f2329435a4ba92", kill_on_drop: false }`
[INFO] [stdout] b1c57a0942c039d78e217fddbe274aa43230f53f9750451ba1f2329435a4ba92
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0af544a554a0456dfc39f800386f96a13a02df85853154748db9521b7fcaa52
[INFO] running `Command { std: "docker" "start" "-a" "b0af544a554a0456dfc39f800386f96a13a02df85853154748db9521b7fcaa52", kill_on_drop: false }`
[INFO] [stderr]    Compiling dkb-rs v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `StringRenderer` is never used
[INFO] [stdout]   --> src/common/mod.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub trait StringRenderer {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/kanakanji/fontx.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct FontXHeader {
[INFO] [stdout]   |        ----------- field in this struct
[INFO] [stdout] 8 |     magic: [u8; 6], // Should be "FONTX2"
[INFO] [stdout] 9 |     name: [u8; 8],  // 8-byte &str
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FontXHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/kanakanji/fontx.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(rom: &'a [u8]) -> Result<FONTX, InitializationError> {
[INFO] [stdout]    |                      --                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(rom: &'a [u8]) -> Result<FONTX<'a>, InitializationError> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/latin/fnt.rs:34:63
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(rom: &'a [u8], width: usize, height: usize) -> FNT {
[INFO] [stdout]    |                      -- the lifetime is named here            ^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(rom: &'a [u8], width: usize, height: usize) -> FNT<'a> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "b0af544a554a0456dfc39f800386f96a13a02df85853154748db9521b7fcaa52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0af544a554a0456dfc39f800386f96a13a02df85853154748db9521b7fcaa52", kill_on_drop: false }`
[INFO] [stdout] b0af544a554a0456dfc39f800386f96a13a02df85853154748db9521b7fcaa52
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c60438614282eea005d7e6c3acf73680c817e070fea6eb61f60d59944e3c57c
[INFO] running `Command { std: "docker" "start" "-a" "9c60438614282eea005d7e6c3acf73680c817e070fea6eb61f60d59944e3c57c", kill_on_drop: false }`
[INFO] [stdout] warning: trait `StringRenderer` is never used
[INFO] [stdout]   --> src/common/mod.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub trait StringRenderer {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/kanakanji/fontx.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct FontXHeader {
[INFO] [stdout]   |        ----------- field in this struct
[INFO] [stdout] 8 |     magic: [u8; 6], // Should be "FONTX2"
[INFO] [stdout] 9 |     name: [u8; 8],  // 8-byte &str
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FontXHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/kanakanji/fontx.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(rom: &'a [u8]) -> Result<FONTX, InitializationError> {
[INFO] [stdout]    |                      --                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(rom: &'a [u8]) -> Result<FONTX<'a>, InitializationError> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dkb-rs v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/latin/fnt.rs:34:63
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(rom: &'a [u8], width: usize, height: usize) -> FNT {
[INFO] [stdout]    |                      -- the lifetime is named here            ^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(rom: &'a [u8], width: usize, height: usize) -> FNT<'a> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StringRenderer` is never used
[INFO] [stdout]   --> src/common/mod.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub trait StringRenderer {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/kanakanji/fontx.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct FontXHeader {
[INFO] [stdout]   |        ----------- field in this struct
[INFO] [stdout] 8 |     magic: [u8; 6], // Should be "FONTX2"
[INFO] [stdout] 9 |     name: [u8; 8],  // 8-byte &str
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FontXHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/kanakanji/fontx.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(rom: &'a [u8]) -> Result<FONTX, InitializationError> {
[INFO] [stdout]    |                      --                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(rom: &'a [u8]) -> Result<FONTX<'a>, InitializationError> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/latin/fnt.rs:34:63
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(rom: &'a [u8], width: usize, height: usize) -> FNT {
[INFO] [stdout]    |                      -- the lifetime is named here            ^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(rom: &'a [u8], width: usize, height: usize) -> FNT<'a> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "9c60438614282eea005d7e6c3acf73680c817e070fea6eb61f60d59944e3c57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c60438614282eea005d7e6c3acf73680c817e070fea6eb61f60d59944e3c57c", kill_on_drop: false }`
[INFO] [stdout] 9c60438614282eea005d7e6c3acf73680c817e070fea6eb61f60d59944e3c57c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3acc051312138c8d2029bad765d782a59d6386201b305b3243f6820db77a4838
[INFO] running `Command { std: "docker" "start" "-a" "3acc051312138c8d2029bad765d782a59d6386201b305b3243f6820db77a4838", kill_on_drop: false }`
[INFO] [stderr] warning: trait `StringRenderer` is never used
[INFO] [stderr]   --> src/common/mod.rs:48:11
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub trait StringRenderer {}
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/kanakanji/fontx.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct FontXHeader {
[INFO] [stderr]   |        ----------- field in this struct
[INFO] [stderr] 8 |     magic: [u8; 6], // Should be "FONTX2"
[INFO] [stderr] 9 |     name: [u8; 8],  // 8-byte &str
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `FontXHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/kanakanji/fontx.rs:49:41
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(rom: &'a [u8]) -> Result<FONTX, InitializationError> {
[INFO] [stderr]    |                      --                 ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(rom: &'a [u8]) -> Result<FONTX<'a>, InitializationError> {
[INFO] [stderr]    |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/latin/fnt.rs:34:63
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(rom: &'a [u8], width: usize, height: usize) -> FNT {
[INFO] [stderr]    |                      -- the lifetime is named here            ^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(rom: &'a [u8], width: usize, height: usize) -> FNT<'a> {
[INFO] [stderr]    |                                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dkb-rs` (lib) generated 4 warnings (run `cargo fix --lib -p dkb-rs` to apply 2 suggestions)
[INFO] [stderr] warning: `dkb-rs` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dkb_rs-31a98e738cb6d801)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/dkb_rs-31a98e738cb6d801` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "3acc051312138c8d2029bad765d782a59d6386201b305b3243f6820db77a4838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acc051312138c8d2029bad765d782a59d6386201b305b3243f6820db77a4838", kill_on_drop: false }`
[INFO] [stdout] 3acc051312138c8d2029bad765d782a59d6386201b305b3243f6820db77a4838
