[INFO] crate cvar 0.2.2 is already in cache
[INFO] testing cvar-0.2.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate cvar 0.2.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cvar 0.2.2 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 cvar 0.2.2
[INFO] finished tweaking crates.io crate cvar 0.2.2
[INFO] tweaked toml for crates.io crate cvar 0.2.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate cvar 0.2.2 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22cbeabe82e271d1a42546aa3c1f497e3186f47818b3c2589d335e9db3b89f36
[INFO] running `Command { std: "docker" "start" "-a" "22cbeabe82e271d1a42546aa3c1f497e3186f47818b3c2589d335e9db3b89f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22cbeabe82e271d1a42546aa3c1f497e3186f47818b3c2589d335e9db3b89f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cbeabe82e271d1a42546aa3c1f497e3186f47818b3c2589d335e9db3b89f36", kill_on_drop: false }`
[INFO] [stdout] 22cbeabe82e271d1a42546aa3c1f497e3186f47818b3c2589d335e9db3b89f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bbc876ab61cec60a5d24a188f8c21fd4ce58f5a6d89fd2a49ce3c9f14b32e937
[INFO] running `Command { std: "docker" "start" "-a" "bbc876ab61cec60a5d24a188f8c21fd4ce58f5a6d89fd2a49ce3c9f14b32e937", kill_on_drop: false }`
[INFO] [stderr]    Compiling cvar v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "bbc876ab61cec60a5d24a188f8c21fd4ce58f5a6d89fd2a49ce3c9f14b32e937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc876ab61cec60a5d24a188f8c21fd4ce58f5a6d89fd2a49ce3c9f14b32e937", kill_on_drop: false }`
[INFO] [stdout] bbc876ab61cec60a5d24a188f8c21fd4ce58f5a6d89fd2a49ce3c9f14b32e937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4870d42046bd752df1cdeb72f4c67008d1c595c4a9746f1757072301b4abaca6
[INFO] running `Command { std: "docker" "start" "-a" "4870d42046bd752df1cdeb72f4c67008d1c595c4a9746f1757072301b4abaca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cvar v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "4870d42046bd752df1cdeb72f4c67008d1c595c4a9746f1757072301b4abaca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4870d42046bd752df1cdeb72f4c67008d1c595c4a9746f1757072301b4abaca6", kill_on_drop: false }`
[INFO] [stdout] 4870d42046bd752df1cdeb72f4c67008d1c595c4a9746f1757072301b4abaca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08604a29af970f908e2a2c519d788ecee97bb284154b320beaaab4280f997fa5
[INFO] running `Command { std: "docker" "start" "-a" "08604a29af970f908e2a2c519d788ecee97bb284154b320beaaab4280f997fa5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cvar-b5d452f1ca816000
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test console::test_compare_id ... ok
[INFO] [stdout] test tests::main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cvar
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - IVisit (line 420) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - VisitMut (line 449) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08604a29af970f908e2a2c519d788ecee97bb284154b320beaaab4280f997fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08604a29af970f908e2a2c519d788ecee97bb284154b320beaaab4280f997fa5", kill_on_drop: false }`
[INFO] [stdout] 08604a29af970f908e2a2c519d788ecee97bb284154b320beaaab4280f997fa5