[INFO] crate chronofold 0.1.0 is already in cache
[INFO] testing chronofold-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate chronofold 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate chronofold 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chronofold 0.1.0
[INFO] finished tweaking crates.io crate chronofold 0.1.0
[INFO] tweaked toml for crates.io crate chronofold 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 674381eb82782fdb0db08e1b20c78652ef737c48a0ca42ca23feb7e3210bae17
[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" "674381eb82782fdb0db08e1b20c78652ef737c48a0ca42ca23feb7e3210bae17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "674381eb82782fdb0db08e1b20c78652ef737c48a0ca42ca23feb7e3210bae17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674381eb82782fdb0db08e1b20c78652ef737c48a0ca42ca23feb7e3210bae17", kill_on_drop: false }`
[INFO] [stdout] 674381eb82782fdb0db08e1b20c78652ef737c48a0ca42ca23feb7e3210bae17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7202224a2b6b5fee508c12f126a4b9d59a650d56f643a297d9aa609e1b046d1
[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" "c7202224a2b6b5fee508c12f126a4b9d59a650d56f643a297d9aa609e1b046d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling chronofold v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.49s
[INFO] running `Command { std: "docker" "inspect" "c7202224a2b6b5fee508c12f126a4b9d59a650d56f643a297d9aa609e1b046d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7202224a2b6b5fee508c12f126a4b9d59a650d56f643a297d9aa609e1b046d1", kill_on_drop: false }`
[INFO] [stdout] c7202224a2b6b5fee508c12f126a4b9d59a650d56f643a297d9aa609e1b046d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 1f725e61761174e8fd4e418ba9f4cdac09ddb19928d62b89f27eb7f6cfc1f4c0
[INFO] running `Command { std: "docker" "start" "-a" "1f725e61761174e8fd4e418ba9f4cdac09ddb19928d62b89f27eb7f6cfc1f4c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chronofold v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "1f725e61761174e8fd4e418ba9f4cdac09ddb19928d62b89f27eb7f6cfc1f4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f725e61761174e8fd4e418ba9f4cdac09ddb19928d62b89f27eb7f6cfc1f4c0", kill_on_drop: false }`
[INFO] [stdout] 1f725e61761174e8fd4e418ba9f4cdac09ddb19928d62b89f27eb7f6cfc1f4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bc29dc3f8c4df7a8ccc9a3e42a4e843703c620201c3a3727988436d7841eb5c
[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" "4bc29dc3f8c4df7a8ccc9a3e42a4e843703c620201c3a3727988436d7841eb5c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chronofold-1161762450270c57
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test iter::tests::iter_subtree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/api-46d4b60229d803b5
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test splice ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test insert_after ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test extend ... ok
[INFO] [stdout] test is_empty ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/corner_cases-650f11472d7b12c1
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test insert_after_deleted_element ... ok
[INFO] [stdout] test concurrent_insertions ... ok
[INFO] [stdout] test concurrent_deletions ... ok
[INFO] [stdout] test concurrent_replacements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/errors-a39931c4265db43b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test unknown_timestamp ... ok
[INFO] [stdout] test existing_timestamp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/random-c5763d8a2ab3809e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test random_edits_by_two_authors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version-e8846bfa6319795a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test iter_newer_ops ... ok
[INFO] [stdout] test partial_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chronofold
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bc29dc3f8c4df7a8ccc9a3e42a4e843703c620201c3a3727988436d7841eb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc29dc3f8c4df7a8ccc9a3e42a4e843703c620201c3a3727988436d7841eb5c", kill_on_drop: false }`
[INFO] [stdout] 4bc29dc3f8c4df7a8ccc9a3e42a4e843703c620201c3a3727988436d7841eb5c