[INFO] fetching crate nbssh 3.0.0...
[INFO] testing nbssh-3.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nbssh 3.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nbssh 3.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbssh 3.0.0
[INFO] finished tweaking crates.io crate nbssh 3.0.0
[INFO] tweaked toml for crates.io crate nbssh 3.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c92169a1fbe837696405d012e04d41ee5909fc8cab8abbc6d989d4a8b707ed7
[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" "4c92169a1fbe837696405d012e04d41ee5909fc8cab8abbc6d989d4a8b707ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c92169a1fbe837696405d012e04d41ee5909fc8cab8abbc6d989d4a8b707ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c92169a1fbe837696405d012e04d41ee5909fc8cab8abbc6d989d4a8b707ed7", kill_on_drop: false }`
[INFO] [stdout] 4c92169a1fbe837696405d012e04d41ee5909fc8cab8abbc6d989d4a8b707ed7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] a5197e96b769ee8b545ce5b1452374311f6c363d223d9e48f557ca32a6e12250
[INFO] running `Command { std: "docker" "start" "-a" "a5197e96b769ee8b545ce5b1452374311f6c363d223d9e48f557ca32a6e12250", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbssh v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "a5197e96b769ee8b545ce5b1452374311f6c363d223d9e48f557ca32a6e12250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5197e96b769ee8b545ce5b1452374311f6c363d223d9e48f557ca32a6e12250", kill_on_drop: false }`
[INFO] [stdout] a5197e96b769ee8b545ce5b1452374311f6c363d223d9e48f557ca32a6e12250
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4dd8bec57b131df3e4a54b00787c1e05f44e620647b9304b2ffabcfc0326e00
[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" "a4dd8bec57b131df3e4a54b00787c1e05f44e620647b9304b2ffabcfc0326e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbssh v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a4dd8bec57b131df3e4a54b00787c1e05f44e620647b9304b2ffabcfc0326e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4dd8bec57b131df3e4a54b00787c1e05f44e620647b9304b2ffabcfc0326e00", kill_on_drop: false }`
[INFO] [stdout] a4dd8bec57b131df3e4a54b00787c1e05f44e620647b9304b2ffabcfc0326e00
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 183e646de74e07d6a5e7c0c437905a8c4632ba776117a9760e9707db004cc461
[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" "183e646de74e07d6a5e7c0c437905a8c4632ba776117a9760e9707db004cc461", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nbssh-03b7ec900b89d3d6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_address_display ... ok
[INFO] [stdout] test tests::test_address_parse ... ok
[INFO] [stdout] test tests::test_command ... ok
[INFO] [stdout] test tests::test_address_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nbssh
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "183e646de74e07d6a5e7c0c437905a8c4632ba776117a9760e9707db004cc461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183e646de74e07d6a5e7c0c437905a8c4632ba776117a9760e9707db004cc461", kill_on_drop: false }`
[INFO] [stdout] 183e646de74e07d6a5e7c0c437905a8c4632ba776117a9760e9707db004cc461