[INFO] updating cached repository https://github.com/mozilla/janus-plugin-sfu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4e510edc383315a8ab65dd0d00c324b311afb4b4
[INFO] checking mozilla/janus-plugin-sfu against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/janus-plugin-sfu on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mozilla/janus-plugin-sfu
[INFO] finished tweaking git repo https://github.com/mozilla/janus-plugin-sfu
[INFO] tweaked toml for git repo https://github.com/mozilla/janus-plugin-sfu written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mozilla/janus-plugin-sfu already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6dc45a6989a3bad000a7967b8eb27eee6cac4de0ffa7517db139c0e88559e180
[INFO] running `"docker" "start" "-a" "6dc45a6989a3bad000a7967b8eb27eee6cac4de0ffa7517db139c0e88559e180"`
[INFO] [stderr]    Compiling jansson-sys v0.1.0
[INFO] [stderr]     Checking rust-ini v0.10.3
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking serde_json v1.0.35
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]    Compiling syn v0.15.25
[INFO] [stderr]     Checking janus-plugin-sys v0.6.0
[INFO] [stderr]     Checking janus-plugin v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]     Checking janus-plugin-sfu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/auth.rs:18:76
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn from_str(value: &str, key: &[u8]) -> Result<ValidatedToken, Box<Error>> {
[INFO] [stderr]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/messages.rs:34:70
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn try_parse(val: impl Borrow<str>) -> Result<Option<T>, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:29:67
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn from_path<P: AsRef<Path>>(path: P) -> Result<Self, Box<Error>>
[INFO] [stderr]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn jansson_to_str(json: &JanssonValue) -> Result<LibcString, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:108:50
[INFO] [stderr]     |
[INFO] [stderr] 108 | type MessageResult = Result<MessageResponse, Box<Error>>;
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:111:41
[INFO] [stderr]     |
[INFO] [stderr] 111 | type JsepResult = Result<JsonValue, Box<Error>>;
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:254:65
[INFO] [stderr]     |
[INFO] [stderr] 254 | fn get_config(config_root: *const c_char) -> Result<Config, Box<Error>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:656:89
[INFO] [stderr]     |
[INFO] [stderr] 656 | fn try_parse_jansson<T: DeserializeOwned>(json: &JanssonValue) -> Result<Option<T>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/auth.rs:18:76
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn from_str(value: &str, key: &[u8]) -> Result<ValidatedToken, Box<Error>> {
[INFO] [stderr]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/messages.rs:34:70
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn try_parse(val: impl Borrow<str>) -> Result<Option<T>, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:29:67
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn from_path<P: AsRef<Path>>(path: P) -> Result<Self, Box<Error>>
[INFO] [stderr]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn jansson_to_str(json: &JanssonValue) -> Result<LibcString, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:108:50
[INFO] [stderr]     |
[INFO] [stderr] 108 | type MessageResult = Result<MessageResponse, Box<Error>>;
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:111:41
[INFO] [stderr]     |
[INFO] [stderr] 111 | type JsepResult = Result<JsonValue, Box<Error>>;
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:254:65
[INFO] [stderr]     |
[INFO] [stderr] 254 | fn get_config(config_root: *const c_char) -> Result<Config, Box<Error>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:656:89
[INFO] [stderr]     |
[INFO] [stderr] 656 | fn try_parse_jansson<T: DeserializeOwned>(json: &JanssonValue) -> Result<Option<T>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.27s
[INFO] running `"docker" "inspect" "6dc45a6989a3bad000a7967b8eb27eee6cac4de0ffa7517db139c0e88559e180"`
[INFO] running `"docker" "rm" "-f" "6dc45a6989a3bad000a7967b8eb27eee6cac4de0ffa7517db139c0e88559e180"`
[INFO] [stdout] 6dc45a6989a3bad000a7967b8eb27eee6cac4de0ffa7517db139c0e88559e180