[INFO] fetching crate ftab-dump 1.0.3...
[INFO] building ftab-dump-1.0.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate ftab-dump 1.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ftab-dump 1.0.3 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 ftab-dump 1.0.3
[INFO] finished tweaking crates.io crate ftab-dump 1.0.3
[INFO] tweaked toml for crates.io crate ftab-dump 1.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate ftab-dump 1.0.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6cee9f860c6798e506d4fce494c9b64abe26c09d342a342260e14d014af9fe18
[INFO] running `Command { std: "docker" "start" "-a" "6cee9f860c6798e506d4fce494c9b64abe26c09d342a342260e14d014af9fe18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cee9f860c6798e506d4fce494c9b64abe26c09d342a342260e14d014af9fe18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cee9f860c6798e506d4fce494c9b64abe26c09d342a342260e14d014af9fe18", kill_on_drop: false }`
[INFO] [stdout] 6cee9f860c6798e506d4fce494c9b64abe26c09d342a342260e14d014af9fe18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5f988000ff06a73a78c4402bf463af8a5e72876945afb8411636f4ac257ead94
[INFO] running `Command { std: "docker" "start" "-a" "5f988000ff06a73a78c4402bf463af8a5e72876945afb8411636f4ac257ead94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling ftab-dump v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `tag` and `magic` are never read
[INFO] [stdout]   --> src/rkos_parser.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Ftab {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 26 |     pub tag: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 27 |     pub magic: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "5f988000ff06a73a78c4402bf463af8a5e72876945afb8411636f4ac257ead94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f988000ff06a73a78c4402bf463af8a5e72876945afb8411636f4ac257ead94", kill_on_drop: false }`
[INFO] [stdout] 5f988000ff06a73a78c4402bf463af8a5e72876945afb8411636f4ac257ead94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a321440b375e82e0da6f221115369f10dda430e8ffcdb03eb95e73729477333a
[INFO] running `Command { std: "docker" "start" "-a" "a321440b375e82e0da6f221115369f10dda430e8ffcdb03eb95e73729477333a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ftab-dump v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `tag` and `magic` are never read
[INFO] [stdout]   --> src/rkos_parser.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Ftab {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 26 |     pub tag: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 27 |     pub magic: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "a321440b375e82e0da6f221115369f10dda430e8ffcdb03eb95e73729477333a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a321440b375e82e0da6f221115369f10dda430e8ffcdb03eb95e73729477333a", kill_on_drop: false }`
[INFO] [stdout] a321440b375e82e0da6f221115369f10dda430e8ffcdb03eb95e73729477333a