[INFO] fetching crate mast-build 0.2.1...
[INFO] building mast-build-0.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate mast-build 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mast-build 0.2.1 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 mast-build 0.2.1
[INFO] finished tweaking crates.io crate mast-build 0.2.1
[INFO] tweaked toml for crates.io crate mast-build 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mast-build 0.2.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quit_macros v1.1.4
[INFO] [stderr]   Downloaded quit v1.1.4
[INFO] [stderr]   Downloaded strict-yaml-rust v0.1.1
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8a0f0fb399fb93bb042e5c1257425bbadc9f081676cf09ae0ad02ba5baf6e7
[INFO] running `Command { std: "docker" "start" "-a" "8a8a0f0fb399fb93bb042e5c1257425bbadc9f081676cf09ae0ad02ba5baf6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8a0f0fb399fb93bb042e5c1257425bbadc9f081676cf09ae0ad02ba5baf6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8a0f0fb399fb93bb042e5c1257425bbadc9f081676cf09ae0ad02ba5baf6e7", kill_on_drop: false }`
[INFO] [stdout] 8a8a0f0fb399fb93bb042e5c1257425bbadc9f081676cf09ae0ad02ba5baf6e7
[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 -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] fc12fa259ec77c2ab1031132bc7f7c1c522b4fb5d6e6fa48a9d1c557a07442e0
[INFO] running `Command { std: "docker" "start" "-a" "fc12fa259ec77c2ab1031132bc7f7c1c522b4fb5d6e6fa48a9d1c557a07442e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling quit_macros v1.1.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling strict-yaml-rust v0.1.1
[INFO] [stderr]    Compiling quit v1.1.4
[INFO] [stderr]    Compiling mast-build v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "fc12fa259ec77c2ab1031132bc7f7c1c522b4fb5d6e6fa48a9d1c557a07442e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc12fa259ec77c2ab1031132bc7f7c1c522b4fb5d6e6fa48a9d1c557a07442e0", kill_on_drop: false }`
[INFO] [stdout] fc12fa259ec77c2ab1031132bc7f7c1c522b4fb5d6e6fa48a9d1c557a07442e0
[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 -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] b8870ca0578404d2576d8a57a00ea4bec1f18ec3f8f1bcd1dc3f850753f26726
[INFO] running `Command { std: "docker" "start" "-a" "b8870ca0578404d2576d8a57a00ea4bec1f18ec3f8f1bcd1dc3f850753f26726", kill_on_drop: false }`
[INFO] [stderr]    Compiling mast-build v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "b8870ca0578404d2576d8a57a00ea4bec1f18ec3f8f1bcd1dc3f850753f26726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8870ca0578404d2576d8a57a00ea4bec1f18ec3f8f1bcd1dc3f850753f26726", kill_on_drop: false }`
[INFO] [stdout] b8870ca0578404d2576d8a57a00ea4bec1f18ec3f8f1bcd1dc3f850753f26726