[INFO] fetching crate graph-rs 0.2.0...
[INFO] testing graph-rs-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate graph-rs 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate graph-rs 0.2.0 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 graph-rs 0.2.0
[INFO] finished tweaking crates.io crate graph-rs 0.2.0
[INFO] tweaked toml for crates.io crate graph-rs 0.2.0 written to /workspace/builds/worker-10/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 collections-rs v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] cdc39cad1aca9f29e753536980eb54144685c0d5ef6d4d9711e7242f46cbff27
[INFO] running `Command { std: "docker" "start" "-a" "cdc39cad1aca9f29e753536980eb54144685c0d5ef6d4d9711e7242f46cbff27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdc39cad1aca9f29e753536980eb54144685c0d5ef6d4d9711e7242f46cbff27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc39cad1aca9f29e753536980eb54144685c0d5ef6d4d9711e7242f46cbff27", kill_on_drop: false }`
[INFO] [stdout] cdc39cad1aca9f29e753536980eb54144685c0d5ef6d4d9711e7242f46cbff27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2967af4239a6773325c0841bd1d1ac5ebdf478ee8d8c32fde90445e604fe66a5
[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" "2967af4239a6773325c0841bd1d1ac5ebdf478ee8d8c32fde90445e604fe66a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling collections-rs v0.3.1
[INFO] [stderr]    Compiling graph-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "2967af4239a6773325c0841bd1d1ac5ebdf478ee8d8c32fde90445e604fe66a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2967af4239a6773325c0841bd1d1ac5ebdf478ee8d8c32fde90445e604fe66a5", kill_on_drop: false }`
[INFO] [stdout] 2967af4239a6773325c0841bd1d1ac5ebdf478ee8d8c32fde90445e604fe66a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4258cf3e37b5cbb92f27f00d9263d7ebb1590d9cffaacbeb63501b210742e2ed
[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" "4258cf3e37b5cbb92f27f00d9263d7ebb1590d9cffaacbeb63501b210742e2ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "4258cf3e37b5cbb92f27f00d9263d7ebb1590d9cffaacbeb63501b210742e2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4258cf3e37b5cbb92f27f00d9263d7ebb1590d9cffaacbeb63501b210742e2ed", kill_on_drop: false }`
[INFO] [stdout] 4258cf3e37b5cbb92f27f00d9263d7ebb1590d9cffaacbeb63501b210742e2ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] b2fdd7bbcdc25d79cfa4d2f8bef15cd06451693d4635f589bd4c8629fa9431a3
[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" "b2fdd7bbcdc25d79cfa4d2f8bef15cd06451693d4635f589bd4c8629fa9431a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graph_rs-1b61d960788fc692
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test vec::tests::test_add_edge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph-rs
[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" "b2fdd7bbcdc25d79cfa4d2f8bef15cd06451693d4635f589bd4c8629fa9431a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fdd7bbcdc25d79cfa4d2f8bef15cd06451693d4635f589bd4c8629fa9431a3", kill_on_drop: false }`
[INFO] [stdout] b2fdd7bbcdc25d79cfa4d2f8bef15cd06451693d4635f589bd4c8629fa9431a3