[INFO] fetching crate dencode 0.3.0...
[INFO] testing dencode-0.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate dencode 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dencode 0.3.0 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 dencode 0.3.0
[INFO] finished tweaking crates.io crate dencode 0.3.0
[INFO] tweaked toml for crates.io crate dencode 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a85f80c23a48027d90c8b12d072603ed35848218bc68c854a70bed40858aac
[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" "64a85f80c23a48027d90c8b12d072603ed35848218bc68c854a70bed40858aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a85f80c23a48027d90c8b12d072603ed35848218bc68c854a70bed40858aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a85f80c23a48027d90c8b12d072603ed35848218bc68c854a70bed40858aac", kill_on_drop: false }`
[INFO] [stdout] 64a85f80c23a48027d90c8b12d072603ed35848218bc68c854a70bed40858aac
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0f085d9166129fc8345ec11350e624d528df2f003ef8855c1eaf5c1364219d7
[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" "c0f085d9166129fc8345ec11350e624d528df2f003ef8855c1eaf5c1364219d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling dencode v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.98s
[INFO] running `Command { std: "docker" "inspect" "c0f085d9166129fc8345ec11350e624d528df2f003ef8855c1eaf5c1364219d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f085d9166129fc8345ec11350e624d528df2f003ef8855c1eaf5c1364219d7", kill_on_drop: false }`
[INFO] [stdout] c0f085d9166129fc8345ec11350e624d528df2f003ef8855c1eaf5c1364219d7
[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" "+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] 1518094b956ab2764979a7e30223a17db64f75e5d0fe45bd3604650050cb25e5
[INFO] running `Command { std: "docker" "start" "-a" "1518094b956ab2764979a7e30223a17db64f75e5d0fe45bd3604650050cb25e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling dencode v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "1518094b956ab2764979a7e30223a17db64f75e5d0fe45bd3604650050cb25e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1518094b956ab2764979a7e30223a17db64f75e5d0fe45bd3604650050cb25e5", kill_on_drop: false }`
[INFO] [stdout] 1518094b956ab2764979a7e30223a17db64f75e5d0fe45bd3604650050cb25e5
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 69e04c9ec8227c53cdd21b7a180d1f5ebdec038a95e5d251a2ea25081f148caf
[INFO] running `Command { std: "docker" "start" "-a" "69e04c9ec8227c53cdd21b7a180d1f5ebdec038a95e5d251a2ea25081f148caf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dencode-36f91d5457918f15)
[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]      Running tests/bytes.rs (/opt/rustwide/target/debug/deps/bytes-4047a3924f0ab19f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test decodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/framed_read.rs (/opt/rustwide/target/debug/deps/framed_read-0fe67a84ddd9d688)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test blocking_decode_lines ... ok
[INFO] [stdout] test blocking_read_few_messages ... ok
[INFO] [stdout] test read_few_messages ... ok
[INFO] [stdout] test blocking_line_read_multi ... ok
[INFO] [stdout] test blocking_decode_bytes ... ok
[INFO] [stdout] test line_read_multi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/framed_write.rs (/opt/rustwide/target/debug/deps/framed_write-7b7faa06289507be)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test blocking_line_write ... ok
[INFO] [stdout] test blocking_send_high_water_mark ... ok
[INFO] [stdout] test line_write ... ok
[INFO] [stdout] test blocking_write_to_eof ... ok
[INFO] [stdout] test line_write_to_eof ... ok
[INFO] [stdout] test send_high_water_mark ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lines.rs (/opt/rustwide/target/debug/deps/lines-4a5a624cf6b784fe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dencode
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/framed.rs - framed::Framed (line 17) ... ok
[INFO] [stdout] test src/framed_write.rs - framed_write::FramedWrite (line 18) ... ok
[INFO] [stdout] test src/codec/lines.rs - codec::lines::LinesCodec (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/framed_read.rs - framed_read::FramedRead (line 15) ... ok
[INFO] [stdout] test src/codec/bytes.rs - codec::bytes::BytesCodec (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69e04c9ec8227c53cdd21b7a180d1f5ebdec038a95e5d251a2ea25081f148caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e04c9ec8227c53cdd21b7a180d1f5ebdec038a95e5d251a2ea25081f148caf", kill_on_drop: false }`
[INFO] [stdout] 69e04c9ec8227c53cdd21b7a180d1f5ebdec038a95e5d251a2ea25081f148caf