[INFO] fetching crate boxext 0.1.6...
[INFO] testing boxext-0.1.6 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate boxext 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate boxext 0.1.6 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ea0de2317255b9e4e4b2dc1c9c61ff5fad98b8de35e5e5ca1a1474095d4bf17
[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" "3ea0de2317255b9e4e4b2dc1c9c61ff5fad98b8de35e5e5ca1a1474095d4bf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ea0de2317255b9e4e4b2dc1c9c61ff5fad98b8de35e5e5ca1a1474095d4bf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea0de2317255b9e4e4b2dc1c9c61ff5fad98b8de35e5e5ca1a1474095d4bf17", kill_on_drop: false }`
[INFO] [stdout] 3ea0de2317255b9e4e4b2dc1c9c61ff5fad98b8de35e5e5ca1a1474095d4bf17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75c1d5033554c4f5826e6aef7936e099507f342e37146b7d6e4b89aad7df2fbe
[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" "75c1d5033554c4f5826e6aef7936e099507f342e37146b7d6e4b89aad7df2fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling boxext v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "75c1d5033554c4f5826e6aef7936e099507f342e37146b7d6e4b89aad7df2fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c1d5033554c4f5826e6aef7936e099507f342e37146b7d6e4b89aad7df2fbe", kill_on_drop: false }`
[INFO] [stdout] 75c1d5033554c4f5826e6aef7936e099507f342e37146b7d6e4b89aad7df2fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] 426650f75576f21f555815353b1ebaf62a68db41154b6666389e1170fb76628a
[INFO] running `Command { std: "docker" "start" "-a" "426650f75576f21f555815353b1ebaf62a68db41154b6666389e1170fb76628a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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 7.99s
[INFO] running `Command { std: "docker" "inspect" "426650f75576f21f555815353b1ebaf62a68db41154b6666389e1170fb76628a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426650f75576f21f555815353b1ebaf62a68db41154b6666389e1170fb76628a", kill_on_drop: false }`
[INFO] [stdout] 426650f75576f21f555815353b1ebaf62a68db41154b6666389e1170fb76628a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 007a4ec6576195214e331c3d56765ddd8a85ba16f5f559dcacf02c4bca6c9c84
[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" "007a4ec6576195214e331c3d56765ddd8a85ba16f5f559dcacf02c4bca6c9c84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/boxext-ceaf605569a080c4
[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]    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 - Zero (line 391) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::try_new (line 185) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::try_new_zeroed (line 259) ... ok
[INFO] [stdout] test src/lib.rs - Zero (line 370) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::new_zeroed (line 152) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::new_with (line 96) ... ok
[INFO] [stdout] test src/lib.rs - BoxExt::try_new_with (line 208) ... 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" "007a4ec6576195214e331c3d56765ddd8a85ba16f5f559dcacf02c4bca6c9c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007a4ec6576195214e331c3d56765ddd8a85ba16f5f559dcacf02c4bca6c9c84", kill_on_drop: false }`
[INFO] [stdout] 007a4ec6576195214e331c3d56765ddd8a85ba16f5f559dcacf02c4bca6c9c84