[INFO] cloning repository https://github.com/Daniel-del-Castillo/daa_p6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Daniel-del-Castillo/daa_p6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniel-del-Castillo%2Fdaa_p6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniel-del-Castillo%2Fdaa_p6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9284217107409dd6bafaa9160d3059d66027d4f0
[INFO] building Daniel-del-Castillo/daa_p6 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%2FDaniel-del-Castillo%2Fdaa_p6" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Daniel-del-Castillo/daa_p6 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/Daniel-del-Castillo/daa_p6
[INFO] finished tweaking git repo https://github.com/Daniel-del-Castillo/daa_p6
[INFO] tweaked toml for git repo https://github.com/Daniel-del-Castillo/daa_p6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Daniel-del-Castillo/daa_p6 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.93
[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] 16961976b502418621a9ecc4d35ccaedc9655663c0b21b065318aa2b7aa90efc
[INFO] running `Command { std: "docker" "start" "-a" "16961976b502418621a9ecc4d35ccaedc9655663c0b21b065318aa2b7aa90efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16961976b502418621a9ecc4d35ccaedc9655663c0b21b065318aa2b7aa90efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16961976b502418621a9ecc4d35ccaedc9655663c0b21b065318aa2b7aa90efc", kill_on_drop: false }`
[INFO] [stdout] 16961976b502418621a9ecc4d35ccaedc9655663c0b21b065318aa2b7aa90efc
[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] f81bc88d11d67a50bc43610251871a4129afc73681b2c6bf5977a84daec3b4f9
[INFO] running `Command { std: "docker" "start" "-a" "f81bc88d11d67a50bc43610251871a4129afc73681b2c6bf5977a84daec3b4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling daap7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IOError`
[INFO] [stdout]   --> src/problem_instance/mod.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ProblemInstanceError::{IOError, SyntaxError},
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "f81bc88d11d67a50bc43610251871a4129afc73681b2c6bf5977a84daec3b4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81bc88d11d67a50bc43610251871a4129afc73681b2c6bf5977a84daec3b4f9", kill_on_drop: false }`
[INFO] [stdout] f81bc88d11d67a50bc43610251871a4129afc73681b2c6bf5977a84daec3b4f9
[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] ba703b551047eb7424686e7389b5b7bdaa1ceb72415b963d5a9bc89aecb5b611
[INFO] running `Command { std: "docker" "start" "-a" "ba703b551047eb7424686e7389b5b7bdaa1ceb72415b963d5a9bc89aecb5b611", kill_on_drop: false }`
[INFO] [stderr]    Compiling daap7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IOError`
[INFO] [stdout]   --> src/problem_instance/mod.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ProblemInstanceError::{IOError, SyntaxError},
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IOError`
[INFO] [stdout]   --> src/problem_instance/mod.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ProblemInstanceError::{IOError, SyntaxError},
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "ba703b551047eb7424686e7389b5b7bdaa1ceb72415b963d5a9bc89aecb5b611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba703b551047eb7424686e7389b5b7bdaa1ceb72415b963d5a9bc89aecb5b611", kill_on_drop: false }`
[INFO] [stdout] ba703b551047eb7424686e7389b5b7bdaa1ceb72415b963d5a9bc89aecb5b611