[INFO] fetching crate mcp3xxx 0.1.0-pre.1...
[INFO] testing mcp3xxx-0.1.0-pre.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate mcp3xxx 0.1.0-pre.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mcp3xxx 0.1.0-pre.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp3xxx 0.1.0-pre.1
[INFO] finished tweaking crates.io crate mcp3xxx 0.1.0-pre.1
[INFO] tweaked toml for crates.io crate mcp3xxx 0.1.0-pre.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mcp3xxx 0.1.0-pre.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 37f7fe36077d66ff7ea70848af4eea36912fc55edba60c858a9e4d1093a34d84
[INFO] running `Command { std: "docker" "start" "-a" "37f7fe36077d66ff7ea70848af4eea36912fc55edba60c858a9e4d1093a34d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37f7fe36077d66ff7ea70848af4eea36912fc55edba60c858a9e4d1093a34d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f7fe36077d66ff7ea70848af4eea36912fc55edba60c858a9e4d1093a34d84", kill_on_drop: false }`
[INFO] [stdout] 37f7fe36077d66ff7ea70848af4eea36912fc55edba60c858a9e4d1093a34d84
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 92163703d154fa33ea4d39cdbdf698b446dffc2e4df6cc6abba37e91863b1245
[INFO] running `Command { std: "docker" "start" "-a" "92163703d154fa33ea4d39cdbdf698b446dffc2e4df6cc6abba37e91863b1245", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling mcp3xxx v0.1.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "92163703d154fa33ea4d39cdbdf698b446dffc2e4df6cc6abba37e91863b1245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92163703d154fa33ea4d39cdbdf698b446dffc2e4df6cc6abba37e91863b1245", kill_on_drop: false }`
[INFO] [stdout] 92163703d154fa33ea4d39cdbdf698b446dffc2e4df6cc6abba37e91863b1245
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 59b3e8836af773aaf06a199fe1e1d8ddbd24e8a49ba0473a7bf916660a6427d7
[INFO] running `Command { std: "docker" "start" "-a" "59b3e8836af773aaf06a199fe1e1d8ddbd24e8a49ba0473a7bf916660a6427d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp3xxx v0.1.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "59b3e8836af773aaf06a199fe1e1d8ddbd24e8a49ba0473a7bf916660a6427d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b3e8836af773aaf06a199fe1e1d8ddbd24e8a49ba0473a7bf916660a6427d7", kill_on_drop: false }`
[INFO] [stdout] 59b3e8836af773aaf06a199fe1e1d8ddbd24e8a49ba0473a7bf916660a6427d7
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65602066a23014b07f298d984036352d6d5c99152d613832a01fe892e1fdf2a1
[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" "65602066a23014b07f298d984036352d6d5c99152d613832a01fe892e1fdf2a1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcp3xxx-3695d4de07cbd9ac)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcp3xxx
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65602066a23014b07f298d984036352d6d5c99152d613832a01fe892e1fdf2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65602066a23014b07f298d984036352d6d5c99152d613832a01fe892e1fdf2a1", kill_on_drop: false }`
[INFO] [stdout] 65602066a23014b07f298d984036352d6d5c99152d613832a01fe892e1fdf2a1