[INFO] fetching crate coap 0.7.4...
[INFO] extracting crate coap 0.7.4 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/coap/0.7.4
[INFO] extracting crate coap 0.7.4 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/coap/0.7.4
[INFO] validating manifest of coap-0.7.4 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coap-0.7.4 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing coap-0.7.4
[INFO] finished frobbing coap-0.7.4
[INFO] frobbed toml for coap-0.7.4 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/coap/0.7.4/Cargo.toml
[INFO] started frobbing coap-0.7.4
[INFO] finished frobbing coap-0.7.4
[INFO] frobbed toml for coap-0.7.4 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/coap/0.7.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing coap-0.7.4 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/coap/0.7.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 75412dfc8b651445334ea8550ef7b4e4067f1d1c48d18c9c7359ee1e7d31f2b9
[INFO] running `"docker" "start" "-a" "75412dfc8b651445334ea8550ef7b4e4067f1d1c48d18c9c7359ee1e7d31f2b9"`
[INFO] [stderr]    Compiling bincode v0.3.0
[INFO] [stderr]    Compiling coap v0.7.4 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/message/packet.rs:275:29
[INFO] [stderr]     |
[INFO] [stderr] 275 |                         let mut options_list = options.get_mut(&options_number).unwrap();
[INFO] [stderr]     |                             ----^^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `"docker" "inspect" "75412dfc8b651445334ea8550ef7b4e4067f1d1c48d18c9c7359ee1e7d31f2b9"`
[INFO] running `"docker" "rm" "-f" "75412dfc8b651445334ea8550ef7b4e4067f1d1c48d18c9c7359ee1e7d31f2b9"`
[INFO] [stdout] 75412dfc8b651445334ea8550ef7b4e4067f1d1c48d18c9c7359ee1e7d31f2b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/coap/0.7.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 19173143cbadd877561cb4ade3066222721b67d9857078502cb8f5ec42a73085
[INFO] running `"docker" "start" "-a" "19173143cbadd877561cb4ade3066222721b67d9857078502cb8f5ec42a73085"`
[INFO] [stderr]    Compiling coap v0.7.4 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/message/packet.rs:275:29
[INFO] [stderr]     |
[INFO] [stderr] 275 |                         let mut options_list = options.get_mut(&options_number).unwrap();
[INFO] [stderr]     |                             ----^^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `"docker" "inspect" "19173143cbadd877561cb4ade3066222721b67d9857078502cb8f5ec42a73085"`
[INFO] running `"docker" "rm" "-f" "19173143cbadd877561cb4ade3066222721b67d9857078502cb8f5ec42a73085"`
[INFO] [stdout] 19173143cbadd877561cb4ade3066222721b67d9857078502cb8f5ec42a73085
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/coap/0.7.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] be1c9314a568c09b27b4da5acaa6d99b2145fe3db9e60cd1c35689e67ec1040f
[INFO] running `"docker" "start" "-a" "be1c9314a568c09b27b4da5acaa6d99b2145fe3db9e60cd1c35689e67ec1040f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coap-444c5dede613b9f3
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test message::packet::test::test_decode_packet_with_payload ... ok
[INFO] [stdout] test message::packet::test::test_encode_decode_content_format ... ok
[INFO] [stdout] test message::packet::test::test_decode_packet_with_options ... ok
[INFO] [stdout] test message::packet::test::test_decode_empty_content_format ... ok
[INFO] [stdout] test client::test::test_parse_coap_url_bad_url ... ok
[INFO] [stdout] test message::header::test::test_header_codes ... ok
[INFO] [stdout] test client::test::test_parse_coap_url_good_url ... ok
[INFO] [stdout] test message::packet::test::test_encode_packet_with_options ... ok
[INFO] [stdout] test message::packet::test::test_encode_packet_with_payload ... ok
[INFO] [stdout] test message::request::test::test_method ... ok
[INFO] [stdout] test message::request::test::test_path ... ok
[INFO] [stdout] test message::response::test::test_new_response_valid ... ok
[INFO] [stdout] test message::request::test::test_request_create ... ok
[INFO] [stdout] test message::response::test::test_new_response_invalid ... ok
[INFO] [stdout] test server::test::test_echo_server ... ok
[INFO] [stdout] test server::test::test_echo_server_no_token ... ok
[INFO] [stdout] test observer::test::test_observe_without_resource ... ok
[INFO] [stdout] test server::test::test_server_socket_addr ... ok
[INFO] [stdout] test observer::test::test_observe ... ok
[INFO] [stdout] test server::test::test_random_server_port ... ok
[INFO] [stdout] test server::test::test_update_resource ... ok
[INFO] [stdout] test client::test::test_get ... ok
[INFO] [stdout] test client::test::test_get_timeout ... ok
[INFO] [stdout] test observer::test::test_unobserve ... ok
[INFO] [stdout] test message::packet::test::test_malicious_packet ... ok
[INFO] [stderr]    Doc-tests coap
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 58) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "be1c9314a568c09b27b4da5acaa6d99b2145fe3db9e60cd1c35689e67ec1040f"`
[INFO] running `"docker" "rm" "-f" "be1c9314a568c09b27b4da5acaa6d99b2145fe3db9e60cd1c35689e67ec1040f"`
[INFO] [stdout] be1c9314a568c09b27b4da5acaa6d99b2145fe3db9e60cd1c35689e67ec1040f