[INFO] fetching crate varintbuf 0.1.0...
[INFO] testing varintbuf-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate varintbuf 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate varintbuf 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varintbuf 0.1.0
[INFO] finished tweaking crates.io crate varintbuf 0.1.0
[INFO] tweaked toml for crates.io crate varintbuf 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2f752bb5cd60d10cb456905adf55dc1568b7f4d2d0abe30102c6ba7cf4317a4
[INFO] running `Command { std: "docker" "start" "-a" "e2f752bb5cd60d10cb456905adf55dc1568b7f4d2d0abe30102c6ba7cf4317a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f752bb5cd60d10cb456905adf55dc1568b7f4d2d0abe30102c6ba7cf4317a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f752bb5cd60d10cb456905adf55dc1568b7f4d2d0abe30102c6ba7cf4317a4", kill_on_drop: false }`
[INFO] [stdout] e2f752bb5cd60d10cb456905adf55dc1568b7f4d2d0abe30102c6ba7cf4317a4
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ead4dec15bc6a4199ff8c62823fe423fa9255717b7dd61f54bbf1fa005f1cbfa
[INFO] running `Command { std: "docker" "start" "-a" "ead4dec15bc6a4199ff8c62823fe423fa9255717b7dd61f54bbf1fa005f1cbfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling varintbuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "ead4dec15bc6a4199ff8c62823fe423fa9255717b7dd61f54bbf1fa005f1cbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead4dec15bc6a4199ff8c62823fe423fa9255717b7dd61f54bbf1fa005f1cbfa", kill_on_drop: false }`
[INFO] [stdout] ead4dec15bc6a4199ff8c62823fe423fa9255717b7dd61f54bbf1fa005f1cbfa
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb4ebbde158c795542b4b51a68d5c5b469c41c2d22ac8c5aeb960469330eca36
[INFO] running `Command { std: "docker" "start" "-a" "fb4ebbde158c795542b4b51a68d5c5b469c41c2d22ac8c5aeb960469330eca36", kill_on_drop: false }`
[INFO] [stderr]    Compiling varintbuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "fb4ebbde158c795542b4b51a68d5c5b469c41c2d22ac8c5aeb960469330eca36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4ebbde158c795542b4b51a68d5c5b469c41c2d22ac8c5aeb960469330eca36", kill_on_drop: false }`
[INFO] [stdout] fb4ebbde158c795542b4b51a68d5c5b469c41c2d22ac8c5aeb960469330eca36
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45d040d1fc0a0d55305c5f36dae49088a8aba0ff7df236f590c294929f9cf9f3
[INFO] running `Command { std: "docker" "start" "-a" "45d040d1fc0a0d55305c5f36dae49088a8aba0ff7df236f590c294929f9cf9f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/varintbuf-2425399b3bfae472)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::encoded2 ... ok
[INFO] [stdout] test tests::test_encode ... ok
[INFO] [stdout] test tests::test_decode ... ok
[INFO] [stdout] test tests::test_signed_decode ... ok
[INFO] [stdout] test tests::test_length ... ok
[INFO] [stdout] test tests::test_signed_encode ... ok
[INFO] [stdout] test tests::test_signed_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varintbuf
[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" "45d040d1fc0a0d55305c5f36dae49088a8aba0ff7df236f590c294929f9cf9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d040d1fc0a0d55305c5f36dae49088a8aba0ff7df236f590c294929f9cf9f3", kill_on_drop: false }`
[INFO] [stdout] 45d040d1fc0a0d55305c5f36dae49088a8aba0ff7df236f590c294929f9cf9f3