[INFO] fetching crate dbus-crossroads 0.5.2...
[INFO] testing dbus-crossroads-0.5.2 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate dbus-crossroads 0.5.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate dbus-crossroads 0.5.2 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbus-crossroads 0.5.2
[INFO] finished tweaking crates.io crate dbus-crossroads 0.5.2
[INFO] tweaked toml for crates.io crate dbus-crossroads 0.5.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate dbus-crossroads 0.5.2 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" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b7d600c007e05b275afc62b864c0a89aef9470835107a9ef7950744f05920d
[INFO] running `Command { std: "docker" "start" "-a" "f7b7d600c007e05b275afc62b864c0a89aef9470835107a9ef7950744f05920d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b7d600c007e05b275afc62b864c0a89aef9470835107a9ef7950744f05920d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b7d600c007e05b275afc62b864c0a89aef9470835107a9ef7950744f05920d", kill_on_drop: false }`
[INFO] [stdout] f7b7d600c007e05b275afc62b864c0a89aef9470835107a9ef7950744f05920d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8ee04f61c7b5a33b30aea5542da26e14199ee2eebff4f77d8625dda5f125f40
[INFO] running `Command { std: "docker" "start" "-a" "d8ee04f61c7b5a33b30aea5542da26e14199ee2eebff4f77d8625dda5f125f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling libdbus-sys v0.2.3
[INFO] [stderr]    Compiling dbus v0.9.7
[INFO] [stderr]    Compiling dbus-crossroads v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ifacedesc.rs:314:35
[INFO] [stdout]     |
[INFO] [stdout] 314 |     pub (crate) fn get_custom<CB>(mut self, mut cb: CB) -> Self
[INFO] [stdout]     |                                   ----^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ifacedesc.rs:413:27
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn set_custom<CB>(mut self, mut cb: CB) -> Self
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "d8ee04f61c7b5a33b30aea5542da26e14199ee2eebff4f77d8625dda5f125f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ee04f61c7b5a33b30aea5542da26e14199ee2eebff4f77d8625dda5f125f40", kill_on_drop: false }`
[INFO] [stdout] d8ee04f61c7b5a33b30aea5542da26e14199ee2eebff4f77d8625dda5f125f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fc486432d6369e940bb18db96114b0fbff815772b08e3ae16b04e5be6fa6ff4
[INFO] running `Command { std: "docker" "start" "-a" "4fc486432d6369e940bb18db96114b0fbff815772b08e3ae16b04e5be6fa6ff4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ifacedesc.rs:314:35
[INFO] [stdout]     |
[INFO] [stdout] 314 |     pub (crate) fn get_custom<CB>(mut self, mut cb: CB) -> Self
[INFO] [stdout]     |                                   ----^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ifacedesc.rs:413:27
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn set_custom<CB>(mut self, mut cb: CB) -> Self
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4fc486432d6369e940bb18db96114b0fbff815772b08e3ae16b04e5be6fa6ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc486432d6369e940bb18db96114b0fbff815772b08e3ae16b04e5be6fa6ff4", kill_on_drop: false }`
[INFO] [stdout] 4fc486432d6369e940bb18db96114b0fbff815772b08e3ae16b04e5be6fa6ff4
