[INFO] fetching crate dhcp4r 0.2.3...
[INFO] testing dhcp4r-0.2.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate dhcp4r 0.2.3 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate dhcp4r 0.2.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dhcp4r 0.2.3
[INFO] finished tweaking crates.io crate dhcp4r 0.2.3
[INFO] tweaked toml for crates.io crate dhcp4r 0.2.3 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate crates.io crate dhcp4r 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d75ae0c6db3912d6b417d0445d7154d71c94ff45aac531348c05d72485b0f70
[INFO] running `Command { std: "docker" "start" "-a" "5d75ae0c6db3912d6b417d0445d7154d71c94ff45aac531348c05d72485b0f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d75ae0c6db3912d6b417d0445d7154d71c94ff45aac531348c05d72485b0f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d75ae0c6db3912d6b417d0445d7154d71c94ff45aac531348c05d72485b0f70", kill_on_drop: false }`
[INFO] [stdout] 5d75ae0c6db3912d6b417d0445d7154d71c94ff45aac531348c05d72485b0f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66f1ae160f17479d9c82693e517e9850d658e88f860a1ae3d4c058ce0db99f40
[INFO] running `Command { std: "docker" "start" "-a" "66f1ae160f17479d9c82693e517e9850d658e88f860a1ae3d4c058ce0db99f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling minimal-lexical v0.1.3
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]    Compiling dhcp4r v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `Command { std: "docker" "inspect" "66f1ae160f17479d9c82693e517e9850d658e88f860a1ae3d4c058ce0db99f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f1ae160f17479d9c82693e517e9850d658e88f860a1ae3d4c058ce0db99f40", kill_on_drop: false }`
[INFO] [stdout] 66f1ae160f17479d9c82693e517e9850d658e88f860a1ae3d4c058ce0db99f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa29465a04b49dc4bee8dc653d9be992fa16c33cb027771b8050bb79996b709e
[INFO] running `Command { std: "docker" "start" "-a" "fa29465a04b49dc4bee8dc653d9be992fa16c33cb027771b8050bb79996b709e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling dhcp4r v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/server.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use(u32_bytes, bytes_u32)]
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "fa29465a04b49dc4bee8dc653d9be992fa16c33cb027771b8050bb79996b709e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa29465a04b49dc4bee8dc653d9be992fa16c33cb027771b8050bb79996b709e", kill_on_drop: false }`
[INFO] [stdout] fa29465a04b49dc4bee8dc653d9be992fa16c33cb027771b8050bb79996b709e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8945a84d49c1f08709306a7ce8c47701ed983194ff2b2d6eb15b6141a53aaa4c
[INFO] running `Command { std: "docker" "start" "-a" "8945a84d49c1f08709306a7ce8c47701ed983194ff2b2d6eb15b6141a53aaa4c", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/server.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use(u32_bytes, bytes_u32)]
[INFO] [stderr]   |             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dhcp4r` (example "server") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dhcp4r-3c01478dbeb6270b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dhcp4r
[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" "8945a84d49c1f08709306a7ce8c47701ed983194ff2b2d6eb15b6141a53aaa4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8945a84d49c1f08709306a7ce8c47701ed983194ff2b2d6eb15b6141a53aaa4c", kill_on_drop: false }`
[INFO] [stdout] 8945a84d49c1f08709306a7ce8c47701ed983194ff2b2d6eb15b6141a53aaa4c