[INFO] cloning repository https://github.com/0xSaksham/understanding_ownership
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xSaksham/understanding_ownership" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSaksham%2Funderstanding_ownership", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSaksham%2Funderstanding_ownership'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbba16d92654d9d25a0d4ca74410b25f5bf28db1
[INFO] building 0xSaksham/understanding_ownership against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSaksham%2Funderstanding_ownership" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xSaksham/understanding_ownership on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xSaksham/understanding_ownership
[INFO] finished tweaking git repo https://github.com/0xSaksham/understanding_ownership
[INFO] tweaked toml for git repo https://github.com/0xSaksham/understanding_ownership written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/0xSaksham/understanding_ownership 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab11fc07754e2cc1bb66dcb8d052174ec6680754e0b30f2c22953551c045ea4f
[INFO] running `Command { std: "docker" "start" "-a" "ab11fc07754e2cc1bb66dcb8d052174ec6680754e0b30f2c22953551c045ea4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab11fc07754e2cc1bb66dcb8d052174ec6680754e0b30f2c22953551c045ea4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab11fc07754e2cc1bb66dcb8d052174ec6680754e0b30f2c22953551c045ea4f", kill_on_drop: false }`
[INFO] [stdout] ab11fc07754e2cc1bb66dcb8d052174ec6680754e0b30f2c22953551c045ea4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "-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" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed72987724dece6a7f86c7e520d73e9e2223828a2eeaf95758b74bea48a06300
[INFO] running `Command { std: "docker" "start" "-a" "ed72987724dece6a7f86c7e520d73e9e2223828a2eeaf95758b74bea48a06300", kill_on_drop: false }`
[INFO] [stderr]    Compiling understanding_ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "ed72987724dece6a7f86c7e520d73e9e2223828a2eeaf95758b74bea48a06300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed72987724dece6a7f86c7e520d73e9e2223828a2eeaf95758b74bea48a06300", kill_on_drop: false }`
[INFO] [stdout] ed72987724dece6a7f86c7e520d73e9e2223828a2eeaf95758b74bea48a06300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "-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" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4020377a46f4c621a6d7260eac5f2aa7e680800246e5edb90a41a2fce806a681
[INFO] running `Command { std: "docker" "start" "-a" "4020377a46f4c621a6d7260eac5f2aa7e680800246e5edb90a41a2fce806a681", kill_on_drop: false }`
[INFO] [stderr]    Compiling understanding_ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "4020377a46f4c621a6d7260eac5f2aa7e680800246e5edb90a41a2fce806a681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4020377a46f4c621a6d7260eac5f2aa7e680800246e5edb90a41a2fce806a681", kill_on_drop: false }`
[INFO] [stdout] 4020377a46f4c621a6d7260eac5f2aa7e680800246e5edb90a41a2fce806a681
