[INFO] cloning repository https://github.com/shmup/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shmup/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmup%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmup%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c60146ac074ad62c4271f128b5dd6131eb2b243b
[INFO] building shmup/chat against try#c38f3f86763ea281f7c555c13ef11baad4a4fff4 for pr-111698
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmup%2Fchat" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shmup/chat on toolchain c38f3f86763ea281f7c555c13ef11baad4a4fff4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shmup/chat
[INFO] finished tweaking git repo https://github.com/shmup/chat
[INFO] tweaked toml for git repo https://github.com/shmup/chat written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shmup/chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5452aa9de12c68176628b5d23b72818317ea6e2edbba1554a19a420aa4a32e3a
[INFO] running `Command { std: "docker" "start" "-a" "5452aa9de12c68176628b5d23b72818317ea6e2edbba1554a19a420aa4a32e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5452aa9de12c68176628b5d23b72818317ea6e2edbba1554a19a420aa4a32e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5452aa9de12c68176628b5d23b72818317ea6e2edbba1554a19a420aa4a32e3a", kill_on_drop: false }`
[INFO] [stdout] 5452aa9de12c68176628b5d23b72818317ea6e2edbba1554a19a420aa4a32e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58704fb341f10bbf477665dd235542277838cb2b6dd17713ee768aec9758c6d8
[INFO] running `Command { std: "docker" "start" "-a" "58704fb341f10bbf477665dd235542277838cb2b6dd17713ee768aec9758c6d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Client {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(stream: TcpStream) -> Client {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.stream.write(&mut buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let _ = self.stream.write(&mut buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "58704fb341f10bbf477665dd235542277838cb2b6dd17713ee768aec9758c6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58704fb341f10bbf477665dd235542277838cb2b6dd17713ee768aec9758c6d8", kill_on_drop: false }`
[INFO] [stdout] 58704fb341f10bbf477665dd235542277838cb2b6dd17713ee768aec9758c6d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 545ea5760cb4fd68463c2efb01953134086e5ed4ed21425048a2a95f634f235b
[INFO] running `Command { std: "docker" "start" "-a" "545ea5760cb4fd68463c2efb01953134086e5ed4ed21425048a2a95f634f235b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Client {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(stream: TcpStream) -> Client {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.stream.write(&mut buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let _ = self.stream.write(&mut buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc2MiWOX/symbols.o" "/opt/rustwide/target/debug/deps/chat-bedd8587eb2b87fe.chat.1127eba5ee84573-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chat-bedd8587eb2b87fe.chat.1127eba5ee84573-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chat-bedd8587eb2b87fe.chat.1127eba5ee84573-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chat-bedd8587eb2b87fe.chat.1127eba5ee84573-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chat-bedd8587eb2b87fe.chat.1127eba5ee84573-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chat-bedd8587eb2b87fe.3z3n5wptk488iqmj.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-b02dae3c630a1d1a.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-ba0a9ce6bceff958.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b8bedebe4383d790.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-32dfedc548a4eec1.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a8a9ba95b1228749.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-658322f66b02b1f7.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-956ca946b7379eb6.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-dd67659c95cf28db.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-43e984e033ffe85c.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b33034ed520f9dde.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b682f100759c1cd5.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-4688e4e2de40eeae.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-bc98f60a979c8848.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-f90abce6b91ba026.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-d2d517397bb596ef.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3c3cfff380065fd0.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b4a016bd41fd2384.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6b2e32ac6784fab1.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-69a45ab5967387b5.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-f366d4caf221188e.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-522518611024dce5.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-05898138a596088a.rlib" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-737a1b3638f612c8.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/c38f3f86763ea281f7c555c13ef11baad4a4fff4/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/chat-bedd8587eb2b87fe" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat` (bin "chat" test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "545ea5760cb4fd68463c2efb01953134086e5ed4ed21425048a2a95f634f235b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545ea5760cb4fd68463c2efb01953134086e5ed4ed21425048a2a95f634f235b", kill_on_drop: false }`
[INFO] [stdout] 545ea5760cb4fd68463c2efb01953134086e5ed4ed21425048a2a95f634f235b