[INFO] cloning repository https://github.com/luser/dwarfinspect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luser/dwarfinspect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fdwarfinspect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fdwarfinspect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88f85c5f5cb0d858696b42d716a39ceccdf7b341
[INFO] testing luser/dwarfinspect against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fdwarfinspect" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luser/dwarfinspect on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luser/dwarfinspect
[INFO] finished tweaking git repo https://github.com/luser/dwarfinspect
[INFO] tweaked toml for git repo https://github.com/luser/dwarfinspect written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luser/dwarfinspect 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded cfg-if v0.1.3
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[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded syn v0.13.10
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded gimli v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded goblin v0.0.13
[INFO] [stderr]   Downloaded cursive_table_view v0.5.0
[INFO] [stderr]   Downloaded object v0.7.0
[INFO] [stderr]   Downloaded enumset v0.3.3
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded serde v1.0.55
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded cursive v0.8.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded enum-map v0.2.29
[INFO] [stderr]   Downloaded ncurses v5.91.0
[INFO] [stderr]   Downloaded backtrace v0.3.7
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded fallible-iterator v0.1.4
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded scroll v0.8.0
[INFO] [stderr]   Downloaded enum-map-derive v0.2.5
[INFO] [stderr]   Downloaded reexport-proc-macro v1.0.2
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a12af48c7154c6f42613a0c7cb293af26bf7951a5e7f9d5be593243380b122e4
[INFO] running `Command { std: "docker" "start" "-a" "a12af48c7154c6f42613a0c7cb293af26bf7951a5e7f9d5be593243380b122e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a12af48c7154c6f42613a0c7cb293af26bf7951a5e7f9d5be593243380b122e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12af48c7154c6f42613a0c7cb293af26bf7951a5e7f9d5be593243380b122e4", kill_on_drop: false }`
[INFO] [stdout] a12af48c7154c6f42613a0c7cb293af26bf7951a5e7f9d5be593243380b122e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72eea4727fc0a3ae874685c8659071afc1fb06a861500142a39d0a35c1f7d192
[INFO] running `Command { std: "docker" "start" "-a" "72eea4727fc0a3ae874685c8659071afc1fb06a861500142a39d0a35c1f7d192", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.2
[INFO] [stderr]    Compiling serde v1.0.55
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling scroll_derive v0.8.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling enumset v0.3.3
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling fallible-iterator v0.1.4
[INFO] [stderr]    Compiling scroll v0.8.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling gimli v0.15.0
[INFO] [stderr]    Compiling enum-map-derive v0.2.5
[INFO] [stderr]    Compiling goblin v0.0.13
[INFO] [stderr]    Compiling enum-map v0.2.29
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling cursive v0.8.1
[INFO] [stderr]    Compiling object v0.7.0
[INFO] [stderr]    Compiling cursive_table_view v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling dwarfinspect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:474:58
[INFO] [stdout]     |
[INFO] [stdout] 474 | fn do_background_work(f: &object::File, sink: Sender<Box<CbFunc>>,
[INFO] [stdout]     |                                                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 474 | fn do_background_work(f: &object::File, sink: Sender<Box<dyn CbFunc>>,
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `endian`, `format`, and `version` are never read
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct Unit<R: Reader> {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 102 |     endian: R::Endian,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 103 |     format: gimli::Format,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 104 |     address_size: u8,
[INFO] [stdout] 105 |     version: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.13.10
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "72eea4727fc0a3ae874685c8659071afc1fb06a861500142a39d0a35c1f7d192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72eea4727fc0a3ae874685c8659071afc1fb06a861500142a39d0a35c1f7d192", kill_on_drop: false }`
[INFO] [stdout] 72eea4727fc0a3ae874685c8659071afc1fb06a861500142a39d0a35c1f7d192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b60f4aca36f0a0f6817695086b8ddcc0cc230b411ac775f735d9f7c2adbc86
[INFO] running `Command { std: "docker" "start" "-a" "17b60f4aca36f0a0f6817695086b8ddcc0cc230b411ac775f735d9f7c2adbc86", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:474:58
[INFO] [stdout]     |
[INFO] [stdout] 474 | fn do_background_work(f: &object::File, sink: Sender<Box<CbFunc>>,
[INFO] [stdout]     |                                                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 474 | fn do_background_work(f: &object::File, sink: Sender<Box<dyn CbFunc>>,
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `endian`, `format`, and `version` are never read
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct Unit<R: Reader> {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 102 |     endian: R::Endian,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 103 |     format: gimli::Format,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 104 |     address_size: u8,
[INFO] [stdout] 105 |     version: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dwarfinspect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:474:58
[INFO] [stdout]     |
[INFO] [stdout] 474 | fn do_background_work(f: &object::File, sink: Sender<Box<CbFunc>>,
[INFO] [stdout]     |                                                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 474 | fn do_background_work(f: &object::File, sink: Sender<Box<dyn CbFunc>>,
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `endian`, `format`, and `version` are never read
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct Unit<R: Reader> {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 102 |     endian: R::Endian,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 103 |     format: gimli::Format,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 104 |     address_size: u8,
[INFO] [stdout] 105 |     version: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.13.10
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "17b60f4aca36f0a0f6817695086b8ddcc0cc230b411ac775f735d9f7c2adbc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b60f4aca36f0a0f6817695086b8ddcc0cc230b411ac775f735d9f7c2adbc86", kill_on_drop: false }`
[INFO] [stdout] 17b60f4aca36f0a0f6817695086b8ddcc0cc230b411ac775f735d9f7c2adbc86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd39a28db72e07c369d8d22a8d445461cd5507fda148510a51ef31d899a0db9f
[INFO] running `Command { std: "docker" "start" "-a" "dd39a28db72e07c369d8d22a8d445461cd5507fda148510a51ef31d899a0db9f", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:474:58
[INFO] [stderr]     |
[INFO] [stderr] 474 | fn do_background_work(f: &object::File, sink: Sender<Box<CbFunc>>,
[INFO] [stderr]     |                                                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 474 | fn do_background_work(f: &object::File, sink: Sender<Box<dyn CbFunc>>,
[INFO] [stderr]     |                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: fields `endian`, `format`, and `version` are never read
[INFO] [stderr]    --> src/lib.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 101 | struct Unit<R: Reader> {
[INFO] [stderr]     |        ---- fields in this struct
[INFO] [stderr] 102 |     endian: R::Endian,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 103 |     format: gimli::Format,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 104 |     address_size: u8,
[INFO] [stderr] 105 |     version: u16,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dwarfinspect` (lib) generated 2 warnings (run `cargo fix --lib -p dwarfinspect` to apply 1 suggestion)
[INFO] [stderr] warning: `dwarfinspect` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.13.10
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dwarfinspect-a1dfaf503c8d70fc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dwarfinspect-6588ee3ece5db94b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests dwarfinspect
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd39a28db72e07c369d8d22a8d445461cd5507fda148510a51ef31d899a0db9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd39a28db72e07c369d8d22a8d445461cd5507fda148510a51ef31d899a0db9f", kill_on_drop: false }`
[INFO] [stdout] dd39a28db72e07c369d8d22a8d445461cd5507fda148510a51ef31d899a0db9f
[INFO] testing luser/dwarfinspect against beta-2024-01-09 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fdwarfinspect" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luser/dwarfinspect on toolchain beta-2024-01-09
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luser/dwarfinspect
[INFO] finished tweaking git repo https://github.com/luser/dwarfinspect
[INFO] tweaked toml for git repo https://github.com/luser/dwarfinspect written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/luser/dwarfinspect 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" "+beta-2024-01-09" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c73d864f0ff47c86f2c9dd68158975c25dec91a15326ac4c98ecaa7d32953c1
[INFO] running `Command { std: "docker" "start" "-a" "8c73d864f0ff47c86f2c9dd68158975c25dec91a15326ac4c98ecaa7d32953c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c73d864f0ff47c86f2c9dd68158975c25dec91a15326ac4c98ecaa7d32953c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c73d864f0ff47c86f2c9dd68158975c25dec91a15326ac4c98ecaa7d32953c1", kill_on_drop: false }`
[INFO] [stdout] 8c73d864f0ff47c86f2c9dd68158975c25dec91a15326ac4c98ecaa7d32953c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 590f29cf5d578f1ccef598f260df910b66a3abd9a906cefa98659f727f65ff39
[INFO] running `Command { std: "docker" "start" "-a" "590f29cf5d578f1ccef598f260df910b66a3abd9a906cefa98659f727f65ff39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/650745ceb2ae60e04f8cd7bfb671fc37239533e4/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "590f29cf5d578f1ccef598f260df910b66a3abd9a906cefa98659f727f65ff39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590f29cf5d578f1ccef598f260df910b66a3abd9a906cefa98659f727f65ff39", kill_on_drop: false }`
[INFO] [stdout] 590f29cf5d578f1ccef598f260df910b66a3abd9a906cefa98659f727f65ff39
