[INFO] cloning repository https://github.com/DelusionalLogic/tcp-drive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DelusionalLogic/tcp-drive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalLogic%2Ftcp-drive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalLogic%2Ftcp-drive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4978420989bbcb5a4ddc11d3e74521579ca1e173
[INFO] checking DelusionalLogic/tcp-drive against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalLogic%2Ftcp-drive" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DelusionalLogic/tcp-drive on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DelusionalLogic/tcp-drive
[INFO] finished tweaking git repo https://github.com/DelusionalLogic/tcp-drive
[INFO] tweaked toml for git repo https://github.com/DelusionalLogic/tcp-drive written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/DelusionalLogic/tcp-drive already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace-sys v0.1.11
[INFO] [stderr]   Downloaded pbr v1.0.0
[INFO] [stderr]   Downloaded backtrace v0.3.2
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.0.1
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded clap v2.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 668301291b4198ca3b37c441c4262fc997a4e9bf37a251df882e1cb34b68f9e8
[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" "668301291b4198ca3b37c441c4262fc997a4e9bf37a251df882e1cb34b68f9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "668301291b4198ca3b37c441c4262fc997a4e9bf37a251df882e1cb34b68f9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668301291b4198ca3b37c441c4262fc997a4e9bf37a251df882e1cb34b68f9e8", kill_on_drop: false }`
[INFO] [stdout] 668301291b4198ca3b37c441c4262fc997a4e9bf37a251df882e1cb34b68f9e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--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] a2694010f50214a767730195ca4e888b504a59b310c889aa3b816713be6d4089
[INFO] running `Command { std: "docker" "start" "-a" "a2694010f50214a767730195ca4e888b504a59b310c889aa3b816713be6d4089", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling send v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BigEndian`, `ReadBytesExt`, `WriteBytesExt`
[INFO] [stdout]  --> build.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> build.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     f.write_all(b"
[INFO] [stdout] 32 | |     fn make_list() -> (Box<[&'static str]>, u32) {
[INFO] [stdout] 33 | |         return (Box::new([");
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> build.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     write!(f, "]), {});}}", words.len());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.20.0/src/macros.rs:621:41
[INFO] [stdout]     |
[INFO] [stdout] 621 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking pbr v1.0.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a2694010f50214a767730195ca4e888b504a59b310c889aa3b816713be6d4089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2694010f50214a767730195ca4e888b504a59b310c889aa3b816713be6d4089", kill_on_drop: false }`
[INFO] [stdout] a2694010f50214a767730195ca4e888b504a59b310c889aa3b816713be6d4089