[INFO] fetching crate knapsack-oxigen 1.0.0...
[INFO] testing knapsack-oxigen-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate knapsack-oxigen 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate knapsack-oxigen 1.0.0 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 knapsack-oxigen 1.0.0
[INFO] finished tweaking crates.io crate knapsack-oxigen 1.0.0
[INFO] tweaked toml for crates.io crate knapsack-oxigen 1.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate knapsack-oxigen 1.0.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded historian v4.0.3
[INFO] [stderr]   Downloaded rand_pcg v0.2.0
[INFO] [stderr]   Downloaded oxigen v2.0.0
[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] [stdout] cbafc26f7d28a1275d08dbeda941f76a24c16424997066e6562caab5735fd24e
[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" "cbafc26f7d28a1275d08dbeda941f76a24c16424997066e6562caab5735fd24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbafc26f7d28a1275d08dbeda941f76a24c16424997066e6562caab5735fd24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbafc26f7d28a1275d08dbeda941f76a24c16424997066e6562caab5735fd24e", kill_on_drop: false }`
[INFO] [stdout] cbafc26f7d28a1275d08dbeda941f76a24c16424997066e6562caab5735fd24e
[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] 8a3b645e6dc1d2402dde9c550dbb6bfe7b2ef1e7c07e016925c2d31b06711c4c
[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" "8a3b645e6dc1d2402dde9c550dbb6bfe7b2ef1e7c07e016925c2d31b06711c4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling historian v4.0.3
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling oxigen v2.0.0
[INFO] [stderr]    Compiling knapsack-oxigen v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.53s
[INFO] running `Command { std: "docker" "inspect" "8a3b645e6dc1d2402dde9c550dbb6bfe7b2ef1e7c07e016925c2d31b06711c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a3b645e6dc1d2402dde9c550dbb6bfe7b2ef1e7c07e016925c2d31b06711c4c", kill_on_drop: false }`
[INFO] [stdout] 8a3b645e6dc1d2402dde9c550dbb6bfe7b2ef1e7c07e016925c2d31b06711c4c
[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] 7ed132db6273ec511f8a7dbef9a52db22366718b53c2d2091c4582fbc0eab0d3
[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" "7ed132db6273ec511f8a7dbef9a52db22366718b53c2d2091c4582fbc0eab0d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling knapsack-oxigen v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "7ed132db6273ec511f8a7dbef9a52db22366718b53c2d2091c4582fbc0eab0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed132db6273ec511f8a7dbef9a52db22366718b53c2d2091c4582fbc0eab0d3", kill_on_drop: false }`
[INFO] [stdout] 7ed132db6273ec511f8a7dbef9a52db22366718b53c2d2091c4582fbc0eab0d3
[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] [stdout] f6af1e500c68a153367b6eb41dfef7ffcc5a43cd2fa531959544c4185856045a
[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" "f6af1e500c68a153367b6eb41dfef7ffcc5a43cd2fa531959544c4185856045a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/knapsack_oxigen-6e7e135c10634761
[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" "f6af1e500c68a153367b6eb41dfef7ffcc5a43cd2fa531959544c4185856045a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6af1e500c68a153367b6eb41dfef7ffcc5a43cd2fa531959544c4185856045a", kill_on_drop: false }`
[INFO] [stdout] f6af1e500c68a153367b6eb41dfef7ffcc5a43cd2fa531959544c4185856045a