[INFO] fetching crate shellcoder 0.1.1...
[INFO] building shellcoder-0.1.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate shellcoder 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate shellcoder 0.1.1 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 shellcoder 0.1.1
[INFO] finished tweaking crates.io crate shellcoder 0.1.1
[INFO] tweaked toml for crates.io crate shellcoder 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e1a98f6f588194fac6b5ca6f4861bc7ab6947889c4be8992cbfa71f165980c16
[INFO] running `Command { std: "docker" "start" "-a" "e1a98f6f588194fac6b5ca6f4861bc7ab6947889c4be8992cbfa71f165980c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1a98f6f588194fac6b5ca6f4861bc7ab6947889c4be8992cbfa71f165980c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a98f6f588194fac6b5ca6f4861bc7ab6947889c4be8992cbfa71f165980c16", kill_on_drop: false }`
[INFO] [stdout] e1a98f6f588194fac6b5ca6f4861bc7ab6947889c4be8992cbfa71f165980c16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 08eed9c53666be8f540e39501df0d022162a85c3befc2f8444e665d5e8da840a
[INFO] running `Command { std: "docker" "start" "-a" "08eed9c53666be8f540e39501df0d022162a85c3befc2f8444e665d5e8da840a", kill_on_drop: false }`
[INFO] [stderr]    Compiling shellcoder v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "08eed9c53666be8f540e39501df0d022162a85c3befc2f8444e665d5e8da840a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08eed9c53666be8f540e39501df0d022162a85c3befc2f8444e665d5e8da840a", kill_on_drop: false }`
[INFO] [stdout] 08eed9c53666be8f540e39501df0d022162a85c3befc2f8444e665d5e8da840a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c5df93fcb348d8e6d161e01e7057945fb3b4bad454f3009b843a393b8177c9d9
[INFO] running `Command { std: "docker" "start" "-a" "c5df93fcb348d8e6d161e01e7057945fb3b4bad454f3009b843a393b8177c9d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling shellcoder v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ops::Advance`
[INFO] [stdout]    --> src/ops.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |         use crate::ops::Advance;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]    --> src/ops.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         use crate::prelude::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ops::Fill`
[INFO] [stdout]    --> src/ops.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |         use crate::ops::Fill;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]    --> src/ops.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         use crate::prelude::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "c5df93fcb348d8e6d161e01e7057945fb3b4bad454f3009b843a393b8177c9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5df93fcb348d8e6d161e01e7057945fb3b4bad454f3009b843a393b8177c9d9", kill_on_drop: false }`
[INFO] [stdout] c5df93fcb348d8e6d161e01e7057945fb3b4bad454f3009b843a393b8177c9d9