[INFO] fetching crate mini-telnet 0.1.8... [INFO] building mini-telnet-0.1.8 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate mini-telnet 0.1.8 into /workspace/builds/worker-0-tc2/source [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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mini-telnet 0.1.8 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 75219c82cd6a030aeaddbb8ec4073ffe993db68a0e6a2f36125829b3a549668b [INFO] running `Command { std: "docker" "start" "-a" "75219c82cd6a030aeaddbb8ec4073ffe993db68a0e6a2f36125829b3a549668b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75219c82cd6a030aeaddbb8ec4073ffe993db68a0e6a2f36125829b3a549668b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75219c82cd6a030aeaddbb8ec4073ffe993db68a0e6a2f36125829b3a549668b", kill_on_drop: false }` [INFO] [stdout] 75219c82cd6a030aeaddbb8ec4073ffe993db68a0e6a2f36125829b3a549668b [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ffc08ff036fbbb03dbe59b8cfab6e437158ee23b90f0ef09d3cf47d05e25f89 [INFO] running `Command { std: "docker" "start" "-a" "0ffc08ff036fbbb03dbe59b8cfab6e437158ee23b90f0ef09d3cf47d05e25f89", 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 memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling tracing-core v0.1.26 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling mio v0.8.2 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling tracing v0.1.34 [INFO] [stderr] Compiling tokio-util v0.7.1 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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(u8), [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(u8), [INFO] [stdout] 24 + SB(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.64s [INFO] running `Command { std: "docker" "inspect" "0ffc08ff036fbbb03dbe59b8cfab6e437158ee23b90f0ef09d3cf47d05e25f89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ffc08ff036fbbb03dbe59b8cfab6e437158ee23b90f0ef09d3cf47d05e25f89", kill_on_drop: false }` [INFO] [stdout] 0ffc08ff036fbbb03dbe59b8cfab6e437158ee23b90f0ef09d3cf47d05e25f89 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4079c8f8b5112869c93a6bab95976a76a12553373e9ebebccc1ab3414d27966d [INFO] running `Command { std: "docker" "start" "-a" "4079c8f8b5112869c93a6bab95976a76a12553373e9ebebccc1ab3414d27966d", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling tokio-util v0.7.1 [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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(u8), [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(u8), [INFO] [stdout] 24 + SB(()), [INFO] [stdout] | [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)]` (part of `#[warn(unused)]`) 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(u8), [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(u8), [INFO] [stdout] 24 + SB(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 9.95s [INFO] running `Command { std: "docker" "inspect" "4079c8f8b5112869c93a6bab95976a76a12553373e9ebebccc1ab3414d27966d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4079c8f8b5112869c93a6bab95976a76a12553373e9ebebccc1ab3414d27966d", kill_on_drop: false }` [INFO] [stdout] 4079c8f8b5112869c93a6bab95976a76a12553373e9ebebccc1ab3414d27966d