[INFO] fetching crate mini-telnet 0.1.8...
[INFO] checking mini-telnet-0.1.8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mini-telnet 0.1.8 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mini-telnet 0.1.8 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mini-telnet 0.1.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mini-telnet 0.1.8
[INFO] tweaked toml for crates.io crate mini-telnet 0.1.8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mini-telnet 0.1.8 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecaf2e07e14495feb76c771d6ccb288add2468221457418585de0e766cc39240
[INFO] running `Command { std: "docker" "start" "-a" "ecaf2e07e14495feb76c771d6ccb288add2468221457418585de0e766cc39240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecaf2e07e14495feb76c771d6ccb288add2468221457418585de0e766cc39240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaf2e07e14495feb76c771d6ccb288add2468221457418585de0e766cc39240", kill_on_drop: false }`
[INFO] [stdout] ecaf2e07e14495feb76c771d6ccb288add2468221457418585de0e766cc39240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b346a70f7402504b60662d0ea532434ab14c11614332ac8e884da8d80ee86a68
[INFO] running `Command { std: "docker" "start" "-a" "b346a70f7402504b60662d0ea532434ab14c11614332ac8e884da8d80ee86a68", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking mini-telnet v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/codec.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     SE(u8),
[INFO] [stdout]    |     -- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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] 23 |     SE(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/codec.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     SB(u8),
[INFO] [stdout]    |     -- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is 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] 24 |     SB(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/codec.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     SE(u8),
[INFO] [stdout]    |     -- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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] 23 |     SE(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/codec.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     SB(u8),
[INFO] [stdout]    |     -- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is 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] 24 |     SB(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.34s
[INFO] running `Command { std: "docker" "inspect" "b346a70f7402504b60662d0ea532434ab14c11614332ac8e884da8d80ee86a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b346a70f7402504b60662d0ea532434ab14c11614332ac8e884da8d80ee86a68", kill_on_drop: false }`
[INFO] [stdout] b346a70f7402504b60662d0ea532434ab14c11614332ac8e884da8d80ee86a68