[INFO] fetching crate sort-by-borrowed-key 1.0.0...
[INFO] testing sort-by-borrowed-key-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sort-by-borrowed-key 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sort-by-borrowed-key 1.0.0 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 sort-by-borrowed-key 1.0.0
[INFO] finished tweaking crates.io crate sort-by-borrowed-key 1.0.0
[INFO] tweaked toml for crates.io crate sort-by-borrowed-key 1.0.0 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9fc387e9650e82c96b434d646846c88c86bac5890ce975c449a33c64c1c1d67c
[INFO] running `Command { std: "docker" "start" "-a" "9fc387e9650e82c96b434d646846c88c86bac5890ce975c449a33c64c1c1d67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fc387e9650e82c96b434d646846c88c86bac5890ce975c449a33c64c1c1d67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc387e9650e82c96b434d646846c88c86bac5890ce975c449a33c64c1c1d67c", kill_on_drop: false }`
[INFO] [stdout] 9fc387e9650e82c96b434d646846c88c86bac5890ce975c449a33c64c1c1d67c
[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] 0d074f8cd48692ac24bed385934648a642ef322486a449d165bd5c913d1b4c17
[INFO] running `Command { std: "docker" "start" "-a" "0d074f8cd48692ac24bed385934648a642ef322486a449d165bd5c913d1b4c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling sort-by-borrowed-key v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "0d074f8cd48692ac24bed385934648a642ef322486a449d165bd5c913d1b4c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d074f8cd48692ac24bed385934648a642ef322486a449d165bd5c913d1b4c17", kill_on_drop: false }`
[INFO] [stdout] 0d074f8cd48692ac24bed385934648a642ef322486a449d165bd5c913d1b4c17
[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] 91e56bc2f6f8384e80a74fc7e2dd67e447d419618b43d52c2fd504903a712776
[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" "91e56bc2f6f8384e80a74fc7e2dd67e447d419618b43d52c2fd504903a712776", kill_on_drop: false }`
[INFO] [stderr]    Compiling sort-by-borrowed-key v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "91e56bc2f6f8384e80a74fc7e2dd67e447d419618b43d52c2fd504903a712776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e56bc2f6f8384e80a74fc7e2dd67e447d419618b43d52c2fd504903a712776", kill_on_drop: false }`
[INFO] [stdout] 91e56bc2f6f8384e80a74fc7e2dd67e447d419618b43d52c2fd504903a712776
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 347c8f33f1507fd8b4882de114e4caa1bde55e813e08d0eb7131e09c485090dc
[INFO] running `Command { std: "docker" "start" "-a" "347c8f33f1507fd8b4882de114e4caa1bde55e813e08d0eb7131e09c485090dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sort_by_borrowed_key-3201dbe7abb02b18
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_stable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sort-by-borrowed-key
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - SortByBorrowedKey (line 8) ... ok
[INFO] [stdout] test src/lib.rs - SortByBorrowedKey (line 19) ... ok
[INFO] [stdout] test src/lib.rs - SortByBorrowedKey (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "347c8f33f1507fd8b4882de114e4caa1bde55e813e08d0eb7131e09c485090dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347c8f33f1507fd8b4882de114e4caa1bde55e813e08d0eb7131e09c485090dc", kill_on_drop: false }`
[INFO] [stdout] 347c8f33f1507fd8b4882de114e4caa1bde55e813e08d0eb7131e09c485090dc