[INFO] fetching crate varint-rs 2.2.0...
[INFO] testing varint-rs-2.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate varint-rs 2.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate varint-rs 2.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varint-rs 2.2.0
[INFO] finished tweaking crates.io crate varint-rs 2.2.0
[INFO] tweaked toml for crates.io crate varint-rs 2.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa5e9839be194e00f9462686472df15cfe7099c39afd49a2bea46a6c0b92ffcd
[INFO] running `Command { std: "docker" "start" "-a" "aa5e9839be194e00f9462686472df15cfe7099c39afd49a2bea46a6c0b92ffcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa5e9839be194e00f9462686472df15cfe7099c39afd49a2bea46a6c0b92ffcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5e9839be194e00f9462686472df15cfe7099c39afd49a2bea46a6c0b92ffcd", kill_on_drop: false }`
[INFO] [stdout] aa5e9839be194e00f9462686472df15cfe7099c39afd49a2bea46a6c0b92ffcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a3888fdb403aa29ad96d192ee0bc8e3a2752aa93c64d365c69bb0ddc3d0bd4b
[INFO] running `Command { std: "docker" "start" "-a" "7a3888fdb403aa29ad96d192ee0bc8e3a2752aa93c64d365c69bb0ddc3d0bd4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling varint-rs v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "7a3888fdb403aa29ad96d192ee0bc8e3a2752aa93c64d365c69bb0ddc3d0bd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3888fdb403aa29ad96d192ee0bc8e3a2752aa93c64d365c69bb0ddc3d0bd4b", kill_on_drop: false }`
[INFO] [stdout] 7a3888fdb403aa29ad96d192ee0bc8e3a2752aa93c64d365c69bb0ddc3d0bd4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0427581fc64e1ef9781ccba41ebcf464a8f375233a55baa9f63a19905d8c17
[INFO] running `Command { std: "docker" "start" "-a" "8e0427581fc64e1ef9781ccba41ebcf464a8f375233a55baa9f63a19905d8c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling varint-rs v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "8e0427581fc64e1ef9781ccba41ebcf464a8f375233a55baa9f63a19905d8c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0427581fc64e1ef9781ccba41ebcf464a8f375233a55baa9f63a19905d8c17", kill_on_drop: false }`
[INFO] [stdout] 8e0427581fc64e1ef9781ccba41ebcf464a8f375233a55baa9f63a19905d8c17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 665e9a306e52db6fb1d8ad3e379034e7339f7fb5d0256d973beb237405ac9beb
[INFO] running `Command { std: "docker" "start" "-a" "665e9a306e52db6fb1d8ad3e379034e7339f7fb5d0256d973beb237405ac9beb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/varint_rs-1a143ea16222c7a3)
[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] [stderr]    Doc-tests varint-rs
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - VarintReader (line 102) ... ignored
[INFO] [stdout] test src/lib.rs - VarintWriter (line 286) ... ignored
[INFO] [stdout] test src/zigzag.rs - zigzag (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "665e9a306e52db6fb1d8ad3e379034e7339f7fb5d0256d973beb237405ac9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665e9a306e52db6fb1d8ad3e379034e7339f7fb5d0256d973beb237405ac9beb", kill_on_drop: false }`
[INFO] [stdout] 665e9a306e52db6fb1d8ad3e379034e7339f7fb5d0256d973beb237405ac9beb