[INFO] fetching crate addchain 0.2.0...
[INFO] testing addchain-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate addchain 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate addchain 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 addchain 0.2.0
[INFO] finished tweaking crates.io crate addchain 0.2.0
[INFO] tweaked toml for crates.io crate addchain 0.2.0 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] cd37f5d238c1b7543c98c5d63bbd40e849a72ec7069d52c8f6672ffbc7c1c1fa
[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" "cd37f5d238c1b7543c98c5d63bbd40e849a72ec7069d52c8f6672ffbc7c1c1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd37f5d238c1b7543c98c5d63bbd40e849a72ec7069d52c8f6672ffbc7c1c1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd37f5d238c1b7543c98c5d63bbd40e849a72ec7069d52c8f6672ffbc7c1c1fa", kill_on_drop: false }`
[INFO] [stdout] cd37f5d238c1b7543c98c5d63bbd40e849a72ec7069d52c8f6672ffbc7c1c1fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 68616ce258f7eb8634242a0a5fadbc23ed21fc4f7893341cb604b7ddddd0284a
[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" "68616ce258f7eb8634242a0a5fadbc23ed21fc4f7893341cb604b7ddddd0284a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling addchain v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "68616ce258f7eb8634242a0a5fadbc23ed21fc4f7893341cb604b7ddddd0284a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68616ce258f7eb8634242a0a5fadbc23ed21fc4f7893341cb604b7ddddd0284a", kill_on_drop: false }`
[INFO] [stdout] 68616ce258f7eb8634242a0a5fadbc23ed21fc4f7893341cb604b7ddddd0284a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 5e4034fb52e953f4c2cfc6c7b487e327bae4611f07d9e510abeb9950d482af73
[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" "5e4034fb52e953f4c2cfc6c7b487e327bae4611f07d9e510abeb9950d482af73", kill_on_drop: false }`
[INFO] [stderr]    Compiling addchain v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "5e4034fb52e953f4c2cfc6c7b487e327bae4611f07d9e510abeb9950d482af73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4034fb52e953f4c2cfc6c7b487e327bae4611f07d9e510abeb9950d482af73", kill_on_drop: false }`
[INFO] [stdout] 5e4034fb52e953f4c2cfc6c7b487e327bae4611f07d9e510abeb9950d482af73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 23771d7124029e52eaa6a52509fc1440b24260e08a8c6c114767b8ca41c84488
[INFO] running `Command { std: "docker" "start" "-a" "23771d7124029e52eaa6a52509fc1440b24260e08a8c6c114767b8ca41c84488", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/addchain-38ff565dbc077792
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::invalid_chains ... ok
[INFO] [stdout] test bbbd::tests::minchain_87 ... ok
[INFO] [stderr]    Doc-tests addchain
[INFO] [stdout] test tests::steps_from_valid_chains ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23771d7124029e52eaa6a52509fc1440b24260e08a8c6c114767b8ca41c84488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23771d7124029e52eaa6a52509fc1440b24260e08a8c6c114767b8ca41c84488", kill_on_drop: false }`
[INFO] [stdout] 23771d7124029e52eaa6a52509fc1440b24260e08a8c6c114767b8ca41c84488