[INFO] cloning repository https://github.com/gdt050579/double_linked_list_test-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gdt050579/double_linked_list_test-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdt050579%2Fdouble_linked_list_test-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdt050579%2Fdouble_linked_list_test-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97d92d40cd947dcc62a10371450b610bec746642
[INFO] checking gdt050579/double_linked_list_test-rs against master#96df4943409564a187894018f15f795426dc2e1f for pr-118968-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdt050579%2Fdouble_linked_list_test-rs" "/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/gdt050579/double_linked_list_test-rs on toolchain 96df4943409564a187894018f15f795426dc2e1f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gdt050579/double_linked_list_test-rs
[INFO] finished tweaking git repo https://github.com/gdt050579/double_linked_list_test-rs
[INFO] tweaked toml for git repo https://github.com/gdt050579/double_linked_list_test-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gdt050579/double_linked_list_test-rs 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" "+96df4943409564a187894018f15f795426dc2e1f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii_table v4.0.2
[INFO] [stderr]   Downloaded stats_alloc v0.1.10
[INFO] [stderr]   Downloaded humansize v2.1.3
[INFO] [stderr]   Downloaded slotmap v1.0.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fad1a9e85f4a4c37bf4cacacbe5695a706fb8cc739c7bbb5e17a2796c3dc2aae
[INFO] running `Command { std: "docker" "start" "-a" "fad1a9e85f4a4c37bf4cacacbe5695a706fb8cc739c7bbb5e17a2796c3dc2aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad1a9e85f4a4c37bf4cacacbe5695a706fb8cc739c7bbb5e17a2796c3dc2aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad1a9e85f4a4c37bf4cacacbe5695a706fb8cc739c7bbb5e17a2796c3dc2aae", kill_on_drop: false }`
[INFO] [stdout] fad1a9e85f4a4c37bf4cacacbe5695a706fb8cc739c7bbb5e17a2796c3dc2aae
[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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebcd58517a1fa872be299cd894367bbc56ed64b687a488a9f2f849fb90b14b64
[INFO] running `Command { std: "docker" "start" "-a" "ebcd58517a1fa872be299cd894367bbc56ed64b687a488a9f2f849fb90b14b64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking ascii_table v4.0.2
[INFO] [stderr]     Checking stats_alloc v0.1.10
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking double_linked_list_test-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "ebcd58517a1fa872be299cd894367bbc56ed64b687a488a9f2f849fb90b14b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcd58517a1fa872be299cd894367bbc56ed64b687a488a9f2f849fb90b14b64", kill_on_drop: false }`
[INFO] [stdout] ebcd58517a1fa872be299cd894367bbc56ed64b687a488a9f2f849fb90b14b64
[INFO] checking gdt050579/double_linked_list_test-rs against try#7e4f74fb8736fea8f455bb6e094122965ae8f4cd for pr-118968-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdt050579%2Fdouble_linked_list_test-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gdt050579/double_linked_list_test-rs on toolchain 7e4f74fb8736fea8f455bb6e094122965ae8f4cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gdt050579/double_linked_list_test-rs
[INFO] finished tweaking git repo https://github.com/gdt050579/double_linked_list_test-rs
[INFO] tweaked toml for git repo https://github.com/gdt050579/double_linked_list_test-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gdt050579/double_linked_list_test-rs 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" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc01d2794898301d206e5f86d55d02053d088d15aef490f858c37e281b63b0fc
[INFO] running `Command { std: "docker" "start" "-a" "bc01d2794898301d206e5f86d55d02053d088d15aef490f858c37e281b63b0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc01d2794898301d206e5f86d55d02053d088d15aef490f858c37e281b63b0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc01d2794898301d206e5f86d55d02053d088d15aef490f858c37e281b63b0fc", kill_on_drop: false }`
[INFO] [stdout] bc01d2794898301d206e5f86d55d02053d088d15aef490f858c37e281b63b0fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0260daceb877fa58b6f85538bc0c36af52a7f0eded202957ed6eaf67e8879e03
[INFO] running `Command { std: "docker" "start" "-a" "0260daceb877fa58b6f85538bc0c36af52a7f0eded202957ed6eaf67e8879e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking ascii_table v4.0.2
[INFO] [stderr]     Checking stats_alloc v0.1.10
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking double_linked_list_test-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "0260daceb877fa58b6f85538bc0c36af52a7f0eded202957ed6eaf67e8879e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0260daceb877fa58b6f85538bc0c36af52a7f0eded202957ed6eaf67e8879e03", kill_on_drop: false }`
[INFO] [stdout] 0260daceb877fa58b6f85538bc0c36af52a7f0eded202957ed6eaf67e8879e03