[INFO] crate topfew 0.1.3 is already in cache
[INFO] testing topfew-0.1.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate topfew 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate topfew 0.1.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate topfew 0.1.3
[INFO] finished tweaking crates.io crate topfew 0.1.3
[INFO] tweaked toml for crates.io crate topfew 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate topfew 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ecfb81c1f8512bedc644b77f4d99014d4f31cb88004432b8ef1a13fa8ab3784
[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" "4ecfb81c1f8512bedc644b77f4d99014d4f31cb88004432b8ef1a13fa8ab3784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ecfb81c1f8512bedc644b77f4d99014d4f31cb88004432b8ef1a13fa8ab3784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecfb81c1f8512bedc644b77f4d99014d4f31cb88004432b8ef1a13fa8ab3784", kill_on_drop: false }`
[INFO] [stdout] 4ecfb81c1f8512bedc644b77f4d99014d4f31cb88004432b8ef1a13fa8ab3784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7faae2162602433f24b01f11ad23d2c1a6e53a0d28bbb054985fba3f1e62eecb
[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" "7faae2162602433f24b01f11ad23d2c1a6e53a0d28bbb054985fba3f1e62eecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.24
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling topfew v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.84s
[INFO] running `Command { std: "docker" "inspect" "7faae2162602433f24b01f11ad23d2c1a6e53a0d28bbb054985fba3f1e62eecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7faae2162602433f24b01f11ad23d2c1a6e53a0d28bbb054985fba3f1e62eecb", kill_on_drop: false }`
[INFO] [stdout] 7faae2162602433f24b01f11ad23d2c1a6e53a0d28bbb054985fba3f1e62eecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a513bc8707b31afedb2a79a84b44d6d05ab4823ca36475a314caf31633542d2
[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" "4a513bc8707b31afedb2a79a84b44d6d05ab4823ca36475a314caf31633542d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling topfew v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "4a513bc8707b31afedb2a79a84b44d6d05ab4823ca36475a314caf31633542d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a513bc8707b31afedb2a79a84b44d6d05ab4823ca36475a314caf31633542d2", kill_on_drop: false }`
[INFO] [stdout] 4a513bc8707b31afedb2a79a84b44d6d05ab4823ca36475a314caf31633542d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5490b4889e708608ae975f5075bb119ed7739c8596de6c4bc7953e41828909b
[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" "c5490b4889e708608ae975f5075bb119ed7739c8596de6c4bc7953e41828909b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/topfew-2ad07e0cff4873c8
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tf-426cf4789e5b6881
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topfew
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5490b4889e708608ae975f5075bb119ed7739c8596de6c4bc7953e41828909b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5490b4889e708608ae975f5075bb119ed7739c8596de6c4bc7953e41828909b", kill_on_drop: false }`
[INFO] [stdout] c5490b4889e708608ae975f5075bb119ed7739c8596de6c4bc7953e41828909b