[INFO] cloning repository https://github.com/bovee/extendr_alloc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bovee/extendr_alloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbovee%2Fextendr_alloc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbovee%2Fextendr_alloc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e10b4a8086106491b3e08a132d188d76dae00a8
[INFO] building bovee/extendr_alloc against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbovee%2Fextendr_alloc" "/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/bovee/extendr_alloc on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bovee/extendr_alloc
[INFO] finished tweaking git repo https://github.com/bovee/extendr_alloc
[INFO] tweaked toml for git repo https://github.com/bovee/extendr_alloc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bovee/extendr_alloc 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" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f81ad5f4a6f782955d5d28c13f2f028ea3f71b506b4b3201778ea49e0ed6e9c
[INFO] running `Command { std: "docker" "start" "-a" "0f81ad5f4a6f782955d5d28c13f2f028ea3f71b506b4b3201778ea49e0ed6e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f81ad5f4a6f782955d5d28c13f2f028ea3f71b506b4b3201778ea49e0ed6e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f81ad5f4a6f782955d5d28c13f2f028ea3f71b506b4b3201778ea49e0ed6e9c", kill_on_drop: false }`
[INFO] [stdout] 0f81ad5f4a6f782955d5d28c13f2f028ea3f71b506b4b3201778ea49e0ed6e9c
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6524972aa8ac1ec375b400f2109e6809d030d93cf01f6c9494957d1071831b74
[INFO] running `Command { std: "docker" "start" "-a" "6524972aa8ac1ec375b400f2109e6809d030d93cf01f6c9494957d1071831b74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libR-sys v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling extendr-engine v0.2.0 (https://github.com/extendr/extendr/?rev=1d2e87ed49a3e0e5c1a1a2df58140b3f7824fb87#1d2e87ed)
[INFO] [stderr]    Compiling extendr-api v0.2.0 (https://github.com/extendr/extendr/?rev=1d2e87ed49a3e0e5c1a1a2df58140b3f7824fb87#1d2e87ed)
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling extendr-macros v0.2.0 (https://github.com/extendr/extendr/?rev=1d2e87ed49a3e0e5c1a1a2df58140b3f7824fb87#1d2e87ed)
[INFO] [stderr]    Compiling extendr-alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[extendr]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this warning originates in the attribute macro `extendr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "6524972aa8ac1ec375b400f2109e6809d030d93cf01f6c9494957d1071831b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6524972aa8ac1ec375b400f2109e6809d030d93cf01f6c9494957d1071831b74", kill_on_drop: false }`
[INFO] [stdout] 6524972aa8ac1ec375b400f2109e6809d030d93cf01f6c9494957d1071831b74
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c760ea30f25426c1db5e4e0938c7111a4e5b02544374ad8db307b8dc9cc0fd80
[INFO] running `Command { std: "docker" "start" "-a" "c760ea30f25426c1db5e4e0938c7111a4e5b02544374ad8db307b8dc9cc0fd80", kill_on_drop: false }`
[INFO] [stderr]    Compiling extendr-alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[extendr]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this warning originates in the attribute macro `extendr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "c760ea30f25426c1db5e4e0938c7111a4e5b02544374ad8db307b8dc9cc0fd80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c760ea30f25426c1db5e4e0938c7111a4e5b02544374ad8db307b8dc9cc0fd80", kill_on_drop: false }`
[INFO] [stdout] c760ea30f25426c1db5e4e0938c7111a4e5b02544374ad8db307b8dc9cc0fd80