[INFO] fetching crate matryoshka 0.1.0...
[INFO] testing matryoshka-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate matryoshka 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate matryoshka 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matryoshka 0.1.0
[INFO] finished tweaking crates.io crate matryoshka 0.1.0
[INFO] tweaked toml for crates.io crate matryoshka 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flate2 v1.0.14
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded zip v0.5.9
[INFO] [stderr]   Downloaded adler32 v1.2.0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] ee38e139c72847af35cb0e8e81da2d7df4ae2d1d44e4b08555c9b9b4dc7b54cf
[INFO] running `Command { std: "docker" "start" "-a" "ee38e139c72847af35cb0e8e81da2d7df4ae2d1d44e4b08555c9b9b4dc7b54cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee38e139c72847af35cb0e8e81da2d7df4ae2d1d44e4b08555c9b9b4dc7b54cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee38e139c72847af35cb0e8e81da2d7df4ae2d1d44e4b08555c9b9b4dc7b54cf", kill_on_drop: false }`
[INFO] [stdout] ee38e139c72847af35cb0e8e81da2d7df4ae2d1d44e4b08555c9b9b4dc7b54cf
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 70ca39685cbb94804694c22128e47da385c48d683523af0a5e8cb48663423770
[INFO] running `Command { std: "docker" "start" "-a" "70ca39685cbb94804694c22128e47da385c48d683523af0a5e8cb48663423770", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling zip v0.5.9
[INFO] [stderr]    Compiling matryoshka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.71s
[INFO] running `Command { std: "docker" "inspect" "70ca39685cbb94804694c22128e47da385c48d683523af0a5e8cb48663423770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ca39685cbb94804694c22128e47da385c48d683523af0a5e8cb48663423770", kill_on_drop: false }`
[INFO] [stdout] 70ca39685cbb94804694c22128e47da385c48d683523af0a5e8cb48663423770
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 0629563d1496e22e0042558875128c47a6f0785de53b8681a2ac548f160377cd
[INFO] running `Command { std: "docker" "start" "-a" "0629563d1496e22e0042558875128c47a6f0785de53b8681a2ac548f160377cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matryoshka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "0629563d1496e22e0042558875128c47a6f0785de53b8681a2ac548f160377cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0629563d1496e22e0042558875128c47a6f0785de53b8681a2ac548f160377cd", kill_on_drop: false }`
[INFO] [stdout] 0629563d1496e22e0042558875128c47a6f0785de53b8681a2ac548f160377cd
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 5dcca00673ea51b4990e3c96c077e7b4d9b4d0be1a3fdc648aefa4810c1e9259
[INFO] running `Command { std: "docker" "start" "-a" "5dcca00673ea51b4990e3c96c077e7b4d9b4d0be1a3fdc648aefa4810c1e9259", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matryoshka-0fb3fd37f2143582
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matryoshka
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5dcca00673ea51b4990e3c96c077e7b4d9b4d0be1a3fdc648aefa4810c1e9259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dcca00673ea51b4990e3c96c077e7b4d9b4d0be1a3fdc648aefa4810c1e9259", kill_on_drop: false }`
[INFO] [stdout] 5dcca00673ea51b4990e3c96c077e7b4d9b4d0be1a3fdc648aefa4810c1e9259