[INFO] fetching crate cobs2 0.1.4...
[INFO] testing cobs2-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cobs2 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate cobs2 0.1.4
[INFO] finished tweaking crates.io crate cobs2 0.1.4
[INFO] tweaked toml for crates.io crate cobs2 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cobs2 0.1.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cobs2 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 826131728b8e2d17e565e893d8116a6a56de430ec5ff5450060b90c8434106fe
[INFO] running `Command { std: "docker" "start" "-a" "826131728b8e2d17e565e893d8116a6a56de430ec5ff5450060b90c8434106fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "826131728b8e2d17e565e893d8116a6a56de430ec5ff5450060b90c8434106fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826131728b8e2d17e565e893d8116a6a56de430ec5ff5450060b90c8434106fe", kill_on_drop: false }`
[INFO] [stdout] 826131728b8e2d17e565e893d8116a6a56de430ec5ff5450060b90c8434106fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0367e522da7813f1cb0a5816606ad5f50d98fd8226d08abcce5fb8f7ebafbab
[INFO] running `Command { std: "docker" "start" "-a" "f0367e522da7813f1cb0a5816606ad5f50d98fd8226d08abcce5fb8f7ebafbab", kill_on_drop: false }`
[INFO] [stderr]    Compiling cobs2 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "f0367e522da7813f1cb0a5816606ad5f50d98fd8226d08abcce5fb8f7ebafbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0367e522da7813f1cb0a5816606ad5f50d98fd8226d08abcce5fb8f7ebafbab", kill_on_drop: false }`
[INFO] [stdout] f0367e522da7813f1cb0a5816606ad5f50d98fd8226d08abcce5fb8f7ebafbab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346392d2aff1210f4563d7e9e7623a91df7f689a9aa82bbd8e1dfc65f7fd681c
[INFO] running `Command { std: "docker" "start" "-a" "346392d2aff1210f4563d7e9e7623a91df7f689a9aa82bbd8e1dfc65f7fd681c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cobs2 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "346392d2aff1210f4563d7e9e7623a91df7f689a9aa82bbd8e1dfc65f7fd681c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346392d2aff1210f4563d7e9e7623a91df7f689a9aa82bbd8e1dfc65f7fd681c", kill_on_drop: false }`
[INFO] [stdout] 346392d2aff1210f4563d7e9e7623a91df7f689a9aa82bbd8e1dfc65f7fd681c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c2f9cf6a16bd56afbc2e831d032178d90a2f29a5d4a8aba47ca0a39f31fdbd4
[INFO] running `Command { std: "docker" "start" "-a" "9c2f9cf6a16bd56afbc2e831d032178d90a2f29a5d4a8aba47ca0a39f31fdbd4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running tests/test_cobs.rs (/opt/rustwide/target/debug/deps/test_cobs-9fda21a56be12fee)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test_cobs_array_predefined ... ok
[INFO] [stdout] test test_cobs_decode_array_bad ... ok
[INFO] [stdout] test test_cobs_decode_array_predefined ... ok
[INFO] [stdout] test test_cobs_decode_iter_predefined ... ok
[INFO] [stdout] test test_cobs_decode_max_output_size ... ok
[INFO] [stdout] test test_cobs_decode_min_output_size ... ok
[INFO] [stdout] test test_cobs_decode_ref_iter_predefined ... ok
[INFO] [stdout] test test_cobs_decode_result_iter_bad ... ok
[INFO] [stdout] test test_cobs_decode_result_ref_iter_bad ... ok
[INFO] [stdout] test test_cobs_decode_vector_predefined ... ok
[INFO] [stdout] test test_cobs_encode_array_buffer_too_small ... ok
[INFO] [stdout] test test_cobs_decode_vector_bad ... ok
[INFO] [stdout] test test_cobs_decode_result_ref_iter_predefined ... ok
[INFO] [stdout] test test_cobs_iter_predefined ... ok
[INFO] [stdout] test test_cobs_decode_result_iter_predefined ... ok
[INFO] [stdout] test test_cobs_encode_min_output_size ... ok
[INFO] [stdout] test test_cobs_iter_predefined_w_bytes ... ok
[INFO] [stdout] test test_cobs_vector_predefined ... ok
[INFO] [stdout] test test_cobs_decode_array_buffer_too_small ... ok
[INFO] [stdout] test test_cobs_encode_max_output_size ... ok
[INFO] [stdout] test test_cobs_ref_iter_predefined ... ok
[INFO] [stdout] test test_cobs_ref_iter_predefined_w_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_cobsr.rs (/opt/rustwide/target/debug/deps/test_cobsr-99ef9ed6999a04b0)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test_cobsr_array_predefined ... ok
[INFO] [stdout] test test_cobsr_decode_array_bad ... ok
[INFO] [stdout] test test_cobsr_decode_array_buffer_too_small ... ok
[INFO] [stdout] test test_cobsr_decode_array_predefined ... ok
[INFO] [stdout] test test_cobsr_decode_ref_iter_predefined ... ok
[INFO] [stdout] test test_cobsr_decode_result_iter_bad ... ok
[INFO] [stdout] test test_cobsr_encode_max_output_size ... ok
[INFO] [stdout] test test_cobsr_decode_result_iter_predefined ... ok
[INFO] [stdout] test test_cobsr_decode_result_ref_iter_predefined ... ok
[INFO] [stdout] test test_cobsr_decode_iter_predefined ... ok
[INFO] [stdout] test test_cobsr_decode_max_output_size ... ok
[INFO] [stdout] test test_cobsr_decode_vector_bad ... ok
[INFO] [stdout] test test_cobsr_decode_min_output_size ... ok
[INFO] [stdout] test test_cobsr_decode_vector_predefined ... ok
[INFO] [stdout] test test_cobsr_iter_predefined ... ok
[INFO] [stdout] test test_cobsr_decode_result_ref_iter_bad ... ok
[INFO] [stdout] test test_cobsr_encode_min_output_size ... ok
[INFO] [stdout] test test_cobsr_iter_predefined_w_bytes ... ok
[INFO] [stdout] test test_cobsr_vector_predefined ... ok
[INFO] [stdout] test test_cobsr_ref_iter_predefined_w_bytes ... ok
[INFO] [stdout] test test_cobsr_ref_iter_predefined ... ok
[INFO] [stdout] test test_cobsr_encode_array_buffer_too_small ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cobs2
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/cobs.rs - cobs::encode_vector (line 122) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::decode_array (line 290) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::encode_iter (line 256) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::decode_iter (line 448) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::decode_vector (line 340) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::decode_array (line 383) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::decode_ref_iter (line 576) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::encode_ref_iter (line 271) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::decode_result_ref_iter (line 578) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::decode_iter (line 555) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::decode_ref_iter (line 471) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::encode_array (line 72) ... ok
[INFO] [stdout] test src/cobs.rs - cobs::decode_result_iter (line 559) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::encode_array (line 124) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::decode_result_iter (line 664) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::encode_iter (line 346) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::decode_result_ref_iter (line 683) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::decode_vector (line 437) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::encode_ref_iter (line 364) ... ok
[INFO] [stdout] test src/cobsr.rs - cobsr::encode_vector (line 182) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c2f9cf6a16bd56afbc2e831d032178d90a2f29a5d4a8aba47ca0a39f31fdbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2f9cf6a16bd56afbc2e831d032178d90a2f29a5d4a8aba47ca0a39f31fdbd4", kill_on_drop: false }`
[INFO] [stdout] 9c2f9cf6a16bd56afbc2e831d032178d90a2f29a5d4a8aba47ca0a39f31fdbd4