[INFO] fetching crate lpwan 0.1.0...
[INFO] building lpwan-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate lpwan 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lpwan 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lpwan 0.1.0
[INFO] finished tweaking crates.io crate lpwan 0.1.0
[INFO] tweaked toml for crates.io crate lpwan 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
[INFO] [stderr]   Downloaded embedded-hal-mock v0.7.2
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded hash32-derive v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.4
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded rand-facade v0.2.0
[INFO] [stderr]   Downloaded simplelog v0.8.0
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded radio v0.8.1
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded ieee802154 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3edf59c4572cf1955df8ed36396a045d0360ec97ea598625478c0fff34a86ff1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3edf59c4572cf1955df8ed36396a045d0360ec97ea598625478c0fff34a86ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3edf59c4572cf1955df8ed36396a045d0360ec97ea598625478c0fff34a86ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3edf59c4572cf1955df8ed36396a045d0360ec97ea598625478c0fff34a86ff1", kill_on_drop: false }`
[INFO] [stdout] 3edf59c4572cf1955df8ed36396a045d0360ec97ea598625478c0fff34a86ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6846adf3d20b09f232008a34f6784f8f4b0cc2c22840b476752a0ea74fcbc8d1
[INFO] running `Command { std: "docker" "start" "-a" "6846adf3d20b09f232008a34f6784f8f4b0cc2c22840b476752a0ea74fcbc8d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.4
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling embedded-hal-mock v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand-facade v0.2.0
[INFO] [stderr]    Compiling radio v0.8.1
[INFO] [stderr]    Compiling hash32-derive v0.1.0
[INFO] [stderr]    Compiling ieee802154 v0.3.0
[INFO] [stderr]    Compiling lpwan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/packet.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{error};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/mac/csma.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, trace, info, warn, error};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `remaining` is never read
[INFO] [stdout]    --> src/packet.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         remaining -= used;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.67s
[INFO] running `Command { std: "docker" "inspect" "6846adf3d20b09f232008a34f6784f8f4b0cc2c22840b476752a0ea74fcbc8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6846adf3d20b09f232008a34f6784f8f4b0cc2c22840b476752a0ea74fcbc8d1", kill_on_drop: false }`
[INFO] [stdout] 6846adf3d20b09f232008a34f6784f8f4b0cc2c22840b476752a0ea74fcbc8d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbbf7dae30f968121860d4d3f8158daf22e29cc855a96ecd571b6249cd6f55f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbbf7dae30f968121860d4d3f8158daf22e29cc855a96ecd571b6249cd6f55f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/packet.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{error};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/mac/csma.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, trace, info, warn, error};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `remaining` is never read
[INFO] [stdout]    --> src/packet.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         remaining -= used;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling lpwan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/packet.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{error};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/mac/csma.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, trace, info, warn, error};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `remaining` is never read
[INFO] [stdout]    --> src/packet.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         remaining -= used;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mac`
[INFO] [stdout]    --> src/mac/core.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 | ...   let mut mac: Core<_, _, _, ()> = Core::new(radio.clone(), MockTimer::new(), vec![0u8; 128], AddressConfig::new(1, 2), CoreConfig::d...
[INFO] [stdout]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_mac`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mac/core.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 | ...   let mut mac: Core<_, _, _, ()> = Core::new(radio.clone(), MockTimer::new(), vec![0u8; 128], AddressConfig::new(1, 2), CoreConfig::d...
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "fbbf7dae30f968121860d4d3f8158daf22e29cc855a96ecd571b6249cd6f55f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbf7dae30f968121860d4d3f8158daf22e29cc855a96ecd571b6249cd6f55f2", kill_on_drop: false }`
[INFO] [stdout] fbbf7dae30f968121860d4d3f8158daf22e29cc855a96ecd571b6249cd6f55f2
