[INFO] cloning repository https://github.com/luksan/plc-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luksan/plc-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluksan%2Fplc-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluksan%2Fplc-diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a36276f1e96900c1ef55ea37ce6d4e5fb1835d3
[INFO] building luksan/plc-diff against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluksan%2Fplc-diff" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luksan/plc-diff 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 git repo https://github.com/luksan/plc-diff
[INFO] finished tweaking git repo https://github.com/luksan/plc-diff
[INFO] tweaked toml for git repo https://github.com/luksan/plc-diff written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luksan/plc-diff 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] aef22e6cc198ff59781f97fe5a76ca826cdd5587db97db147de81d6c01c537ef
[INFO] running `Command { std: "docker" "start" "-a" "aef22e6cc198ff59781f97fe5a76ca826cdd5587db97db147de81d6c01c537ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aef22e6cc198ff59781f97fe5a76ca826cdd5587db97db147de81d6c01c537ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef22e6cc198ff59781f97fe5a76ca826cdd5587db97db147de81d6c01c537ef", kill_on_drop: false }`
[INFO] [stdout] aef22e6cc198ff59781f97fe5a76ca826cdd5587db97db147de81d6c01c537ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6597a1e24d30945002bf8466f542480ff883219496cc2678dac0dba1b0b71a4c
[INFO] running `Command { std: "docker" "start" "-a" "6597a1e24d30945002bf8466f542480ff883219496cc2678dac0dba1b0b71a4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling arrayvec v0.7.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling plc-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `main_comment` is never read
[INFO] [stdout]    --> src/bin/plc-textconv.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | struct Rung {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 200 |     name: Vec<u8>,
[INFO] [stdout] 201 |     main_comment: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rung` has derived impls for the traits `Default` 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6597a1e24d30945002bf8466f542480ff883219496cc2678dac0dba1b0b71a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6597a1e24d30945002bf8466f542480ff883219496cc2678dac0dba1b0b71a4c", kill_on_drop: false }`
[INFO] [stdout] 6597a1e24d30945002bf8466f542480ff883219496cc2678dac0dba1b0b71a4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cfe88a8bd432b93616f2dd6f2e3566488edf72e1e7c0177b8e9bb5993b380c45
[INFO] running `Command { std: "docker" "start" "-a" "cfe88a8bd432b93616f2dd6f2e3566488edf72e1e7c0177b8e9bb5993b380c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling plc-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `main_comment` is never read
[INFO] [stdout]    --> src/bin/plc-textconv.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | struct Rung {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 200 |     name: Vec<u8>,
[INFO] [stdout] 201 |     main_comment: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rung` has derived impls for the traits `Default` 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cfe88a8bd432b93616f2dd6f2e3566488edf72e1e7c0177b8e9bb5993b380c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe88a8bd432b93616f2dd6f2e3566488edf72e1e7c0177b8e9bb5993b380c45", kill_on_drop: false }`
[INFO] [stdout] cfe88a8bd432b93616f2dd6f2e3566488edf72e1e7c0177b8e9bb5993b380c45