[INFO] fetching crate rfm9x 0.1.2...
[INFO] building rfm9x-0.1.2 against try#8aaecdf5df68a6fbc126704e44d399ba2fe66bf2 for pr-94962
[INFO] extracting crate rfm9x 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rfm9x 0.1.2 on toolchain 8aaecdf5df68a6fbc126704e44d399ba2fe66bf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate rfm9x 0.1.2
[INFO] finished tweaking crates.io crate rfm9x 0.1.2
[INFO] tweaked toml for crates.io crate rfm9x 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rfm9x 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 721e5b91ae67ae4d05bc2d378d07e028bb1f69a92ed7a6244c743ee509ecf794
[INFO] running `Command { std: "docker" "start" "-a" "721e5b91ae67ae4d05bc2d378d07e028bb1f69a92ed7a6244c743ee509ecf794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "721e5b91ae67ae4d05bc2d378d07e028bb1f69a92ed7a6244c743ee509ecf794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721e5b91ae67ae4d05bc2d378d07e028bb1f69a92ed7a6244c743ee509ecf794", kill_on_drop: false }`
[INFO] [stdout] 721e5b91ae67ae4d05bc2d378d07e028bb1f69a92ed7a6244c743ee509ecf794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90f1da5164537f381992fd6c1ab6948e0f9e9719372e6c24bf79b23153e97d38
[INFO] running `Command { std: "docker" "start" "-a" "90f1da5164537f381992fd6c1ab6948e0f9e9719372e6c24bf79b23153e97d38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rfm9x v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `old_mode`
[INFO] [stdout]    --> src/rfm95.rs:196:2
[INFO] [stdout]     |
[INFO] [stdout] 196 |     old_mode: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `new_mode`
[INFO] [stdout]    --> src/rfm95.rs:197:2
[INFO] [stdout]     |
[INFO] [stdout] 197 |     new_mode: Mode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `set_mode`
[INFO] [stdout]    --> src/rfm95.rs:198:2
[INFO] [stdout]     |
[INFO] [stdout] 198 |     set_mode: u8
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.02s
[INFO] running `Command { std: "docker" "inspect" "90f1da5164537f381992fd6c1ab6948e0f9e9719372e6c24bf79b23153e97d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f1da5164537f381992fd6c1ab6948e0f9e9719372e6c24bf79b23153e97d38", kill_on_drop: false }`
[INFO] [stdout] 90f1da5164537f381992fd6c1ab6948e0f9e9719372e6c24bf79b23153e97d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 251a22e3bb3ef832fbce834c88f89ce63d08ac1d23b9c8610957b6cab8223e3b
[INFO] running `Command { std: "docker" "start" "-a" "251a22e3bb3ef832fbce834c88f89ce63d08ac1d23b9c8610957b6cab8223e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfm9x v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `old_mode`
[INFO] [stdout]    --> src/rfm95.rs:196:2
[INFO] [stdout]     |
[INFO] [stdout] 196 |     old_mode: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `new_mode`
[INFO] [stdout]    --> src/rfm95.rs:197:2
[INFO] [stdout]     |
[INFO] [stdout] 197 |     new_mode: Mode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `set_mode`
[INFO] [stdout]    --> src/rfm95.rs:198:2
[INFO] [stdout]     |
[INFO] [stdout] 198 |     set_mode: u8
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `old_mode`
[INFO] [stdout]    --> src/rfm95.rs:196:2
[INFO] [stdout]     |
[INFO] [stdout] 196 |     old_mode: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `new_mode`
[INFO] [stdout]    --> src/rfm95.rs:197:2
[INFO] [stdout]     |
[INFO] [stdout] 197 |     new_mode: Mode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `set_mode`
[INFO] [stdout]    --> src/rfm95.rs:198:2
[INFO] [stdout]     |
[INFO] [stdout] 198 |     set_mode: u8
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ModeChangeFailedErrorInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/rfm95.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rfm9x-f8a2b099a0dabba2)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "251a22e3bb3ef832fbce834c88f89ce63d08ac1d23b9c8610957b6cab8223e3b", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "rm" "-f" "251a22e3bb3ef832fbce834c88f89ce63d08ac1d23b9c8610957b6cab8223e3b", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[ERROR] failed to delete container 251a22e3bb3ef832fbce834c88f89ce63d08ac1d23b9c8610957b6cab8223e3b
[ERROR] caused by: no output for 300 seconds