[INFO] cloning repository https://github.com/sirkibsirkib/serde_varint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/serde_varint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fserde_varint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fserde_varint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dfb90b28f55773af4bd03945afa0194f58ac369
[INFO] testing sirkibsirkib/serde_varint against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fserde_varint" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/serde_varint on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sirkibsirkib/serde_varint
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/serde_varint
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/serde_varint written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sirkibsirkib/serde_varint already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61c763d99292b0f786064c43b75f2ab8a857b50192a3bddc8905a7590337236f
[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" "61c763d99292b0f786064c43b75f2ab8a857b50192a3bddc8905a7590337236f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61c763d99292b0f786064c43b75f2ab8a857b50192a3bddc8905a7590337236f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c763d99292b0f786064c43b75f2ab8a857b50192a3bddc8905a7590337236f", kill_on_drop: false }`
[INFO] [stdout] 61c763d99292b0f786064c43b75f2ab8a857b50192a3bddc8905a7590337236f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 101f79d892b9ee31483225cf629e0e4cf65f0a87f1dbcce4d1ad10b055590f50
[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" "101f79d892b9ee31483225cf629e0e4cf65f0a87f1dbcce4d1ad10b055590f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling integer-encoding v1.0.5
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling varint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "101f79d892b9ee31483225cf629e0e4cf65f0a87f1dbcce4d1ad10b055590f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101f79d892b9ee31483225cf629e0e4cf65f0a87f1dbcce4d1ad10b055590f50", kill_on_drop: false }`
[INFO] [stdout] 101f79d892b9ee31483225cf629e0e4cf65f0a87f1dbcce4d1ad10b055590f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "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] e9d7ab5399e1165b23edac2d9a13e29ea0f0428839f840d66a6161e75b19a16a
[INFO] running `Command { std: "docker" "start" "-a" "e9d7ab5399e1165b23edac2d9a13e29ea0f0428839f840d66a6161e75b19a16a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling varint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.25s
[INFO] running `Command { std: "docker" "inspect" "e9d7ab5399e1165b23edac2d9a13e29ea0f0428839f840d66a6161e75b19a16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d7ab5399e1165b23edac2d9a13e29ea0f0428839f840d66a6161e75b19a16a", kill_on_drop: false }`
[INFO] [stdout] e9d7ab5399e1165b23edac2d9a13e29ea0f0428839f840d66a6161e75b19a16a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "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] eb02386d514d57cafff1965f76fbbde44a414e163a5e2f6fd1b8b546b10178ef
[INFO] running `Command { std: "docker" "start" "-a" "eb02386d514d57cafff1965f76fbbde44a414e163a5e2f6fd1b8b546b10178ef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/varint-b6d28855e6038c30
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::varying_byte_size ... ok
[INFO] [stdout] test tests::comparing ... ok
[INFO] [stdout] test tests::json ... ok
[INFO] [stdout] test tests::one ... ok
[INFO] [stdout] test tests::incomplete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varint
[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" "eb02386d514d57cafff1965f76fbbde44a414e163a5e2f6fd1b8b546b10178ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb02386d514d57cafff1965f76fbbde44a414e163a5e2f6fd1b8b546b10178ef", kill_on_drop: false }`
[INFO] [stdout] eb02386d514d57cafff1965f76fbbde44a414e163a5e2f6fd1b8b546b10178ef