[INFO] fetching crate citp 0.1.0...
[INFO] checking citp-0.1.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate citp 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate citp 0.1.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate citp 0.1.0
[INFO] finished tweaking crates.io crate citp 0.1.0
[INFO] tweaked toml for crates.io crate citp 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", 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] 9970315bd579825c7661483e9799a6fc9830bd26b8b5f581032da189045188c4
[INFO] running `Command { std: "docker" "start" "-a" "9970315bd579825c7661483e9799a6fc9830bd26b8b5f581032da189045188c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9970315bd579825c7661483e9799a6fc9830bd26b8b5f581032da189045188c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9970315bd579825c7661483e9799a6fc9830bd26b8b5f581032da189045188c4", kill_on_drop: false }`
[INFO] [stdout] 9970315bd579825c7661483e9799a6fc9830bd26b8b5f581032da189045188c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 765223dd07ddd60b9d47e82e89eaf83c751a95138bc1e48f0b4e8b86b3f4a53a
[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" "765223dd07ddd60b9d47e82e89eaf83c751a95138bc1e48f0b4e8b86b3f4a53a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking citp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LE`, `ReadBytesExt`, `ReadBytes`, `ReadFromBytes`, `SizeBytes`, `WriteBytesExt`, `WriteBytes`, `WriteToBytes`
[INFO] [stdout]  --> src/protocol/msex.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use protocol::{self, LE, ReadBytes, ReadBytesExt, ReadFromBytes, SizeBytes, WriteBytes,
[INFO] [stdout]   |                      ^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 2 |                WriteBytesExt, WriteToBytes};
[INFO] [stdout]   |                ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> src/protocol/msex.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::CString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io`, `mem`
[INFO] [stdout]  --> src/protocol/msex.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{io, mem};
[INFO] [stdout]   |           ^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LE`, `ReadBytesExt`, `ReadBytes`, `ReadFromBytes`, `SizeBytes`, `WriteBytesExt`, `WriteBytes`, `WriteToBytes`
[INFO] [stdout]  --> src/protocol/msex.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use protocol::{self, LE, ReadBytes, ReadBytesExt, ReadFromBytes, SizeBytes, WriteBytes,
[INFO] [stdout]   |                      ^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 2 |                WriteBytesExt, WriteToBytes};
[INFO] [stdout]   |                ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> src/protocol/msex.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::CString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io`, `mem`
[INFO] [stdout]  --> src/protocol/msex.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{io, mem};
[INFO] [stdout]   |           ^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "765223dd07ddd60b9d47e82e89eaf83c751a95138bc1e48f0b4e8b86b3f4a53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "765223dd07ddd60b9d47e82e89eaf83c751a95138bc1e48f0b4e8b86b3f4a53a", kill_on_drop: false }`
[INFO] [stdout] 765223dd07ddd60b9d47e82e89eaf83c751a95138bc1e48f0b4e8b86b3f4a53a