[INFO] fetching crate stun-bytes 1.0.1...
[INFO] checking stun-bytes-1.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate stun-bytes 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate stun-bytes 1.0.1
[INFO] finished tweaking crates.io crate stun-bytes 1.0.1
[INFO] tweaked toml for crates.io crate stun-bytes 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stun-bytes 1.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r-ex v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0f25b9f824b648f3418cb26105df6c461ffb01d877dbf4f49f86b86dddbc841
[INFO] running `Command { std: "docker" "start" "-a" "c0f25b9f824b648f3418cb26105df6c461ffb01d877dbf4f49f86b86dddbc841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f25b9f824b648f3418cb26105df6c461ffb01d877dbf4f49f86b86dddbc841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f25b9f824b648f3418cb26105df6c461ffb01d877dbf4f49f86b86dddbc841", kill_on_drop: false }`
[INFO] [stdout] c0f25b9f824b648f3418cb26105df6c461ffb01d877dbf4f49f86b86dddbc841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04479c43f9b047e29996f3259423730aaf41f08127628469bc5a5e306fbc7b13
[INFO] running `Command { std: "docker" "start" "-a" "04479c43f9b047e29996f3259423730aaf41f08127628469bc5a5e306fbc7b13", kill_on_drop: false }`
[INFO] [stderr]     Checking r-ex v1.0.1
[INFO] [stderr]     Checking stun-bytes v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn attrs_iter(&self) -> ByteAttrIter {
[INFO] [stdout]    |                       ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn attrs_iter(&self) -> ByteAttrIter<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:159:23
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn attrs_iter(&mut self) -> ByteAttrIterMut {
[INFO] [stdout]     |                       ^^^^^^^^^     --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn attrs_iter(&mut self) -> ByteAttrIterMut<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cookie` found for struct `ByteMsg` in the current scope
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 5   | pub struct ByteMsg<'a> {
[INFO] [stdout]     | ---------------------- method `cookie` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 294 |         assert_eq!(&MSG[4..8], msg.cookie().unwrap());
[INFO] [stdout]     |                                    ^^^^^^ method not found in `ByteMsg<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cookie` found for struct `ByteMsgMut` in the current scope
[INFO] [stdout]    --> src/lib.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ByteMsgMut<'a> {
[INFO] [stdout]     | ------------------------- method `cookie` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 313 |         assert_eq!(&MSG[4..8], msg.cookie().unwrap());
[INFO] [stdout]     |                                    ^^^^^^ method not found in `ByteMsgMut<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cookie` found for struct `ByteMsgMut` in the current scope
[INFO] [stdout]    --> src/lib.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ByteMsgMut<'a> {
[INFO] [stdout]     | ------------------------- method `cookie` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 332 |         msg.cookie().unwrap().copy_from(MSG.carve(4).unwrap());
[INFO] [stdout]     |             ^^^^^^ method not found in `ByteMsgMut<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cookie` found for struct `ByteMsgMut` in the current scope
[INFO] [stdout]    --> src/lib.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ByteMsgMut<'a> {
[INFO] [stdout]     | ------------------------- method `cookie` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 354 |         msg.cookie().unwrap().copy_from(MSG.carve(4).unwrap());
[INFO] [stdout]     |             ^^^^^^ method not found in `ByteMsgMut<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stun-bytes` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "04479c43f9b047e29996f3259423730aaf41f08127628469bc5a5e306fbc7b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04479c43f9b047e29996f3259423730aaf41f08127628469bc5a5e306fbc7b13", kill_on_drop: false }`
[INFO] [stdout] 04479c43f9b047e29996f3259423730aaf41f08127628469bc5a5e306fbc7b13