[INFO] fetching crate boxext 0.1.6...
[INFO] testing boxext-0.1.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate boxext 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate boxext 0.1.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boxext 0.1.6
[INFO] finished tweaking crates.io crate boxext 0.1.6
[INFO] tweaked toml for crates.io crate boxext 0.1.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59a98005face2fed530da21fff37a2d95778fa63dbfd690088397c586ed9f5de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59a98005face2fed530da21fff37a2d95778fa63dbfd690088397c586ed9f5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59a98005face2fed530da21fff37a2d95778fa63dbfd690088397c586ed9f5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a98005face2fed530da21fff37a2d95778fa63dbfd690088397c586ed9f5de", kill_on_drop: false }`
[INFO] [stdout] 59a98005face2fed530da21fff37a2d95778fa63dbfd690088397c586ed9f5de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ce63446aa347cfc9e9aaceae10897dc47ee95a986e51db798ba3ea754cc4a02
[INFO] running `Command { std: "docker" "start" "-a" "9ce63446aa347cfc9e9aaceae10897dc47ee95a986e51db798ba3ea754cc4a02", kill_on_drop: false }`
[INFO] [stderr]    Compiling boxext v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "9ce63446aa347cfc9e9aaceae10897dc47ee95a986e51db798ba3ea754cc4a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce63446aa347cfc9e9aaceae10897dc47ee95a986e51db798ba3ea754cc4a02", kill_on_drop: false }`
[INFO] [stdout] 9ce63446aa347cfc9e9aaceae10897dc47ee95a986e51db798ba3ea754cc4a02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b362daa1c1d2d3c6a191d505a5e00f2dd6d785aca0551f7a626b9ee77a01c520
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b362daa1c1d2d3c6a191d505a5e00f2dd6d785aca0551f7a626b9ee77a01c520", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling boxext_derive v0.1.3
[INFO] [stderr]    Compiling boxext v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.05s
[INFO] running `Command { std: "docker" "inspect" "b362daa1c1d2d3c6a191d505a5e00f2dd6d785aca0551f7a626b9ee77a01c520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b362daa1c1d2d3c6a191d505a5e00f2dd6d785aca0551f7a626b9ee77a01c520", kill_on_drop: false }`
[INFO] [stdout] b362daa1c1d2d3c6a191d505a5e00f2dd6d785aca0551f7a626b9ee77a01c520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 202f8a86f58229c63c065a80db176d557e7eeb42a9be21a434f5bdf71406b92f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "202f8a86f58229c63c065a80db176d557e7eeb42a9be21a434f5bdf71406b92f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/boxext-4ef66e262164ad7d
[INFO] [stderr]    Doc-tests boxext
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Zero (line 409) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::try_new (line 185) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::new_with (line 96) ... ok
[INFO] [stdout] test src/lib.rs - Zero (line 391) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::try_new_with (line 208) ... ok
[INFO] [stdout] test src/lib.rs - Zero (line 370) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::try_new_zeroed (line 259) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::new_zeroed (line 152) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "202f8a86f58229c63c065a80db176d557e7eeb42a9be21a434f5bdf71406b92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202f8a86f58229c63c065a80db176d557e7eeb42a9be21a434f5bdf71406b92f", kill_on_drop: false }`
[INFO] [stdout] 202f8a86f58229c63c065a80db176d557e7eeb42a9be21a434f5bdf71406b92f