[INFO] fetching crate todo_list 1.2.3...
[INFO] testing todo_list-1.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate todo_list 1.2.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate todo_list 1.2.3 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 todo_list 1.2.3
[INFO] finished tweaking crates.io crate todo_list 1.2.3
[INFO] tweaked toml for crates.io crate todo_list 1.2.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate todo_list 1.2.3 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+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] 4b3ac4b8d8af0bf08341490aecaabf2c61d585c1ffdbfb516ffa5ba8115a943f
[INFO] running `Command { std: "docker" "start" "-a" "4b3ac4b8d8af0bf08341490aecaabf2c61d585c1ffdbfb516ffa5ba8115a943f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3ac4b8d8af0bf08341490aecaabf2c61d585c1ffdbfb516ffa5ba8115a943f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3ac4b8d8af0bf08341490aecaabf2c61d585c1ffdbfb516ffa5ba8115a943f", kill_on_drop: false }`
[INFO] [stdout] 4b3ac4b8d8af0bf08341490aecaabf2c61d585c1ffdbfb516ffa5ba8115a943f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32515257ea9b79577a2f421699ce12ea68f8f930ebacc7d8c6a505179a55409
[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" "a32515257ea9b79577a2f421699ce12ea68f8f930ebacc7d8c6a505179a55409", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling todo_list v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.10s
[INFO] running `Command { std: "docker" "inspect" "a32515257ea9b79577a2f421699ce12ea68f8f930ebacc7d8c6a505179a55409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32515257ea9b79577a2f421699ce12ea68f8f930ebacc7d8c6a505179a55409", kill_on_drop: false }`
[INFO] [stdout] a32515257ea9b79577a2f421699ce12ea68f8f930ebacc7d8c6a505179a55409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8f76b6c76e06ffaabedb7200b5f284ae5c82cdc8d9b8a7785ffcf1c2df4437d
[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" "f8f76b6c76e06ffaabedb7200b5f284ae5c82cdc8d9b8a7785ffcf1c2df4437d", kill_on_drop: false }`
[INFO] [stderr]    Compiling todo_list v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "f8f76b6c76e06ffaabedb7200b5f284ae5c82cdc8d9b8a7785ffcf1c2df4437d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f76b6c76e06ffaabedb7200b5f284ae5c82cdc8d9b8a7785ffcf1c2df4437d", kill_on_drop: false }`
[INFO] [stdout] f8f76b6c76e06ffaabedb7200b5f284ae5c82cdc8d9b8a7785ffcf1c2df4437d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+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] 30e2f155fc03a5c9d527ef1d49e029c925235429465d1ca9c6b2b83dd01a4915
[INFO] running `Command { std: "docker" "start" "-a" "30e2f155fc03a5c9d527ef1d49e029c925235429465d1ca9c6b2b83dd01a4915", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/todo_list-048f386bacf77f78
[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" "30e2f155fc03a5c9d527ef1d49e029c925235429465d1ca9c6b2b83dd01a4915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e2f155fc03a5c9d527ef1d49e029c925235429465d1ca9c6b2b83dd01a4915", kill_on_drop: false }`
[INFO] [stdout] 30e2f155fc03a5c9d527ef1d49e029c925235429465d1ca9c6b2b83dd01a4915