[INFO] cloning repository https://github.com/GuillaumeFavelier/blog_rust_basics_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GuillaumeFavelier/blog_rust_basics_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuillaumeFavelier%2Fblog_rust_basics_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuillaumeFavelier%2Fblog_rust_basics_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00d5303f222a473acc0a363d27d0e3b1bdf59e92
[INFO] testing GuillaumeFavelier/blog_rust_basics_2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuillaumeFavelier%2Fblog_rust_basics_2" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GuillaumeFavelier/blog_rust_basics_2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GuillaumeFavelier/blog_rust_basics_2
[INFO] finished tweaking git repo https://github.com/GuillaumeFavelier/blog_rust_basics_2
[INFO] tweaked toml for git repo https://github.com/GuillaumeFavelier/blog_rust_basics_2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/GuillaumeFavelier/blog_rust_basics_2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 37df054c62309cbc2d80a1991dfa9de3a3a724e46dd0fd1e589341ee4ef1b642
[INFO] running `Command { std: "docker" "start" "-a" "37df054c62309cbc2d80a1991dfa9de3a3a724e46dd0fd1e589341ee4ef1b642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37df054c62309cbc2d80a1991dfa9de3a3a724e46dd0fd1e589341ee4ef1b642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37df054c62309cbc2d80a1991dfa9de3a3a724e46dd0fd1e589341ee4ef1b642", kill_on_drop: false }`
[INFO] [stdout] 37df054c62309cbc2d80a1991dfa9de3a3a724e46dd0fd1e589341ee4ef1b642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 01cfcdb633fea7f67b0bfac14b10bd5857ba91eb0b432c76edbba783f53794f0
[INFO] running `Command { std: "docker" "start" "-a" "01cfcdb633fea7f67b0bfac14b10bd5857ba91eb0b432c76edbba783f53794f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rust_basics_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "01cfcdb633fea7f67b0bfac14b10bd5857ba91eb0b432c76edbba783f53794f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01cfcdb633fea7f67b0bfac14b10bd5857ba91eb0b432c76edbba783f53794f0", kill_on_drop: false }`
[INFO] [stdout] 01cfcdb633fea7f67b0bfac14b10bd5857ba91eb0b432c76edbba783f53794f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a63759f524547a32351fbae2b80040973e6a4612fc25856ca06a5a6eb9c49b4
[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" "5a63759f524547a32351fbae2b80040973e6a4612fc25856ca06a5a6eb9c49b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_basics_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5a63759f524547a32351fbae2b80040973e6a4612fc25856ca06a5a6eb9c49b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a63759f524547a32351fbae2b80040973e6a4612fc25856ca06a5a6eb9c49b4", kill_on_drop: false }`
[INFO] [stdout] 5a63759f524547a32351fbae2b80040973e6a4612fc25856ca06a5a6eb9c49b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75ee1bd721d88b9c39580d07294e52a985ab9e84104ab8c80d7bd3c389d13bbd
[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" "75ee1bd721d88b9c39580d07294e52a985ab9e84104ab8c80d7bd3c389d13bbd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_basics_2-5566716647a9f5b0)
[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" "75ee1bd721d88b9c39580d07294e52a985ab9e84104ab8c80d7bd3c389d13bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ee1bd721d88b9c39580d07294e52a985ab9e84104ab8c80d7bd3c389d13bbd", kill_on_drop: false }`
[INFO] [stdout] 75ee1bd721d88b9c39580d07294e52a985ab9e84104ab8c80d7bd3c389d13bbd