[INFO] fetching crate caves 0.2.1...
[INFO] testing caves-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate caves 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate caves 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caves 0.2.1
[INFO] finished tweaking crates.io crate caves 0.2.1
[INFO] tweaked toml for crates.io crate caves 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomicwrites v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] c3e2a41a27d57567f24d87aa45bf8b685a338e9f5fe24024b6263f19cf92fbfb
[INFO] running `Command { std: "docker" "start" "-a" "c3e2a41a27d57567f24d87aa45bf8b685a338e9f5fe24024b6263f19cf92fbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3e2a41a27d57567f24d87aa45bf8b685a338e9f5fe24024b6263f19cf92fbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e2a41a27d57567f24d87aa45bf8b685a338e9f5fe24024b6263f19cf92fbfb", kill_on_drop: false }`
[INFO] [stdout] c3e2a41a27d57567f24d87aa45bf8b685a338e9f5fe24024b6263f19cf92fbfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae68188410f8acc32f4d61ebe31a065ba189e358d6bdade329b642477b9f1724
[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" "ae68188410f8acc32f4d61ebe31a065ba189e358d6bdade329b642477b9f1724", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling atomicwrites v0.3.0
[INFO] [stderr]    Compiling caves v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.69s
[INFO] running `Command { std: "docker" "inspect" "ae68188410f8acc32f4d61ebe31a065ba189e358d6bdade329b642477b9f1724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae68188410f8acc32f4d61ebe31a065ba189e358d6bdade329b642477b9f1724", kill_on_drop: false }`
[INFO] [stdout] ae68188410f8acc32f4d61ebe31a065ba189e358d6bdade329b642477b9f1724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b871420cc264ee97d5cc848b6d2b8351bee2cfc56951808fec26d218832c14ea
[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" "b871420cc264ee97d5cc848b6d2b8351bee2cfc56951808fec26d218832c14ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling predicates v2.0.1
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling assert_fs v1.0.3
[INFO] [stderr]    Compiling caves v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `Command { std: "docker" "inspect" "b871420cc264ee97d5cc848b6d2b8351bee2cfc56951808fec26d218832c14ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b871420cc264ee97d5cc848b6d2b8351bee2cfc56951808fec26d218832c14ea", kill_on_drop: false }`
[INFO] [stdout] b871420cc264ee97d5cc848b6d2b8351bee2cfc56951808fec26d218832c14ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7e8be7854b0bec46e82aa34886b564cc0400b2c767fb4fd0b6cd01a42b07421
[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" "d7e8be7854b0bec46e82aa34886b564cc0400b2c767fb4fd0b6cd01a42b07421", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/caves-60677a9317eb087d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_file_backend_errors ... ok
[INFO] [stdout] test tests::test_memory_backend_simple ... ok
[INFO] [stderr]    Doc-tests caves
[INFO] [stdout] test tests::test_file_backend_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Cave (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7e8be7854b0bec46e82aa34886b564cc0400b2c767fb4fd0b6cd01a42b07421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e8be7854b0bec46e82aa34886b564cc0400b2c767fb4fd0b6cd01a42b07421", kill_on_drop: false }`
[INFO] [stdout] d7e8be7854b0bec46e82aa34886b564cc0400b2c767fb4fd0b6cd01a42b07421
