[INFO] cloning repository https://github.com/mdn184/cargo-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdn184/cargo-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdn184%2Fcargo-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdn184%2Fcargo-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2bc1774d2fc4479bedfeadbee58044ee8d31cfe
[INFO] building mdn184/cargo-learning against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdn184%2Fcargo-learning" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdn184/cargo-learning 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/mdn184/cargo-learning
[INFO] finished tweaking git repo https://github.com/mdn184/cargo-learning
[INFO] tweaked toml for git repo https://github.com/mdn184/cargo-learning written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mdn184/cargo-learning 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bb4aefc5788e9b617fd92f96af6f3c80d8c1918cc319edccb035cf82c07027a3
[INFO] running `Command { std: "docker" "start" "-a" "bb4aefc5788e9b617fd92f96af6f3c80d8c1918cc319edccb035cf82c07027a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb4aefc5788e9b617fd92f96af6f3c80d8c1918cc319edccb035cf82c07027a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4aefc5788e9b617fd92f96af6f3c80d8c1918cc319edccb035cf82c07027a3", kill_on_drop: false }`
[INFO] [stdout] bb4aefc5788e9b617fd92f96af6f3c80d8c1918cc319edccb035cf82c07027a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 06343fc3f0ad872fc609fd5174ec614ec29fc147b9cb2efad8bdaac54585dcf9
[INFO] running `Command { std: "docker" "start" "-a" "06343fc3f0ad872fc609fd5174ec614ec29fc147b9cb2efad8bdaac54585dcf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling first_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "06343fc3f0ad872fc609fd5174ec614ec29fc147b9cb2efad8bdaac54585dcf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06343fc3f0ad872fc609fd5174ec614ec29fc147b9cb2efad8bdaac54585dcf9", kill_on_drop: false }`
[INFO] [stdout] 06343fc3f0ad872fc609fd5174ec614ec29fc147b9cb2efad8bdaac54585dcf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2001f3b4ca30dbcbca67caf8c0f84a659ef5876aefb48dc0d71174fafb9c2667
[INFO] running `Command { std: "docker" "start" "-a" "2001f3b4ca30dbcbca67caf8c0f84a659ef5876aefb48dc0d71174fafb9c2667", kill_on_drop: false }`
[INFO] [stderr]    Compiling first_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "2001f3b4ca30dbcbca67caf8c0f84a659ef5876aefb48dc0d71174fafb9c2667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2001f3b4ca30dbcbca67caf8c0f84a659ef5876aefb48dc0d71174fafb9c2667", kill_on_drop: false }`
[INFO] [stdout] 2001f3b4ca30dbcbca67caf8c0f84a659ef5876aefb48dc0d71174fafb9c2667