[INFO] fetching crate nut-client 0.4.2... [INFO] building nut-client-0.4.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate nut-client 0.4.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate nut-client 0.4.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-7-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37bc87ba652d4cc32ee69c2c63b9d5f6045988ad60ba90de37d29fd652dbf63d [INFO] running `Command { std: "docker" "start" "-a" "37bc87ba652d4cc32ee69c2c63b9d5f6045988ad60ba90de37d29fd652dbf63d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37bc87ba652d4cc32ee69c2c63b9d5f6045988ad60ba90de37d29fd652dbf63d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37bc87ba652d4cc32ee69c2c63b9d5f6045988ad60ba90de37d29fd652dbf63d", kill_on_drop: false }` [INFO] [stdout] 37bc87ba652d4cc32ee69c2c63b9d5f6045988ad60ba90de37d29fd652dbf63d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e8a7b9938dc5be0f6052aee885e387ff58e0d08a84ef2a578f463f976c95397 [INFO] running `Command { std: "docker" "start" "-a" "7e8a7b9938dc5be0f6052aee885e387ff58e0d08a84ef2a578f463f976c95397", kill_on_drop: false }` [INFO] [stderr] Compiling shell-words v1.0.0 [INFO] [stderr] Compiling 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: 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "7e8a7b9938dc5be0f6052aee885e387ff58e0d08a84ef2a578f463f976c95397", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e8a7b9938dc5be0f6052aee885e387ff58e0d08a84ef2a578f463f976c95397", kill_on_drop: false }` [INFO] [stdout] 7e8a7b9938dc5be0f6052aee885e387ff58e0d08a84ef2a578f463f976c95397 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc3b2b8aa07ac08096362be7e35ec47cdff6f1212166b4d762d288339344957d [INFO] running `Command { std: "docker" "start" "-a" "dc3b2b8aa07ac08096362be7e35ec47cdff6f1212166b4d762d288339344957d", kill_on_drop: false }` [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] [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] [stderr] Compiling nut-client v0.4.2 (/opt/rustwide/workdir) [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] [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] [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "dc3b2b8aa07ac08096362be7e35ec47cdff6f1212166b4d762d288339344957d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc3b2b8aa07ac08096362be7e35ec47cdff6f1212166b4d762d288339344957d", kill_on_drop: false }` [INFO] [stdout] dc3b2b8aa07ac08096362be7e35ec47cdff6f1212166b4d762d288339344957d