[INFO] cloning repository https://github.com/Synthetica9/rs-tance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Synthetica9/rs-tance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0d2a9558f29e26015e2516ef65e6667437c589d
[INFO] building Synthetica9/rs-tance 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%2FSynthetica9%2Frs-tance" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Synthetica9/rs-tance 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/Synthetica9/rs-tance
[INFO] finished tweaking git repo https://github.com/Synthetica9/rs-tance
[INFO] tweaked toml for git repo https://github.com/Synthetica9/rs-tance written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Synthetica9/rs-tance 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primes v0.2.3
[INFO] [stderr]   Downloaded nix v0.14.0
[INFO] [stderr]   Downloaded rug v1.4.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ac486014b33d32859e6aba8ae673504d5f2f14e70b9fe1f2cb4f9ebf2c4f42b7
[INFO] running `Command { std: "docker" "start" "-a" "ac486014b33d32859e6aba8ae673504d5f2f14e70b9fe1f2cb4f9ebf2c4f42b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac486014b33d32859e6aba8ae673504d5f2f14e70b9fe1f2cb4f9ebf2c4f42b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac486014b33d32859e6aba8ae673504d5f2f14e70b9fe1f2cb4f9ebf2c4f42b7", kill_on_drop: false }`
[INFO] [stdout] ac486014b33d32859e6aba8ae673504d5f2f14e70b9fe1f2cb4f9ebf2c4f42b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a3cbc33cd8e2b918a9d3cf6971ffde0b45bf34d0b2b87edb2f61e6996d1ab93f
[INFO] running `Command { std: "docker" "start" "-a" "a3cbc33cd8e2b918a9d3cf6971ffde0b45bf34d0b2b87edb2f61e6996d1ab93f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.14.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rug v1.4.0
[INFO] [stderr]    Compiling primes v0.2.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.13
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling rs-tance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.31s
[INFO] running `Command { std: "docker" "inspect" "a3cbc33cd8e2b918a9d3cf6971ffde0b45bf34d0b2b87edb2f61e6996d1ab93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3cbc33cd8e2b918a9d3cf6971ffde0b45bf34d0b2b87edb2f61e6996d1ab93f", kill_on_drop: false }`
[INFO] [stdout] a3cbc33cd8e2b918a9d3cf6971ffde0b45bf34d0b2b87edb2f61e6996d1ab93f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a756edb4c8d95dbbdc1c6e4bf9a9f607ccc8dd5405c0227b50cc63864381e6cb
[INFO] running `Command { std: "docker" "start" "-a" "a756edb4c8d95dbbdc1c6e4bf9a9f607ccc8dd5405c0227b50cc63864381e6cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-tance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a756edb4c8d95dbbdc1c6e4bf9a9f607ccc8dd5405c0227b50cc63864381e6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a756edb4c8d95dbbdc1c6e4bf9a9f607ccc8dd5405c0227b50cc63864381e6cb", kill_on_drop: false }`
[INFO] [stdout] a756edb4c8d95dbbdc1c6e4bf9a9f607ccc8dd5405c0227b50cc63864381e6cb