[INFO] fetching crate nut-client 0.4.2...
[INFO] checking nut-client-0.4.2 against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1
[INFO] extracting crate nut-client 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate nut-client 0.4.2 on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nut-client 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nut-client 0.4.2
[INFO] tweaked toml for crates.io crate nut-client 0.4.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate nut-client 0.4.2 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 793a68fee2b2262a53d6df182b1204386cf83107263475f4de949e455c733170
[INFO] running `Command { std: "docker" "start" "-a" "793a68fee2b2262a53d6df182b1204386cf83107263475f4de949e455c733170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "793a68fee2b2262a53d6df182b1204386cf83107263475f4de949e455c733170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793a68fee2b2262a53d6df182b1204386cf83107263475f4de949e455c733170", kill_on_drop: false }`
[INFO] [stdout] 793a68fee2b2262a53d6df182b1204386cf83107263475f4de949e455c733170
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a7abfccf30bc7d476b490b3b174b5751142b777ef304c3a2469d9cb6d118a6
[INFO] running `Command { std: "docker" "start" "-a" "d1a7abfccf30bc7d476b490b3b174b5751142b777ef304c3a2469d9cb6d118a6", kill_on_drop: false }`
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking nut-client v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ClientError`
[INFO] [stdout]  --> src/blocking/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{ClientError, Config, Host, NutError};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ClientError`
[INFO] [stdout]  --> src/blocking/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{ClientError, Config, Host, NutError};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StartTLS` is never constructed
[INFO] [stdout]   --> src/cmd.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum Command<'a> {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     StartTLS,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nut-client` (lib); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2277c63fa464d237b17b68d3b87f9fbb89e58a3e/bin/rustc --crate-name nut_client --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("async", "async-rt", "async-ssl", "default", "rustls", "ssl", "tokio", "tokio-rustls", "webpki", "webpki-roots"))' -C metadata=a95415bb037c91f9 -C extra-filename=-a95415bb037c91f9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shell_words=/opt/rustwide/target/debug/deps/libshell_words-e971cace9a32be7f.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `StartTLS` is never constructed
[INFO] [stdout]   --> src/cmd.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum Command<'a> {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     StartTLS,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cmd.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     EndList(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Response` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 67 |     EndList(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ssl` and `ssl_insecure` are never read
[INFO] [stdout]   --> src/config.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub(crate) ssl: bool,
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 99 |     pub(crate) ssl_insecure: bool,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1a7abfccf30bc7d476b490b3b174b5751142b777ef304c3a2469d9cb6d118a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a7abfccf30bc7d476b490b3b174b5751142b777ef304c3a2469d9cb6d118a6", kill_on_drop: false }`
[INFO] [stdout] d1a7abfccf30bc7d476b490b3b174b5751142b777ef304c3a2469d9cb6d118a6