[INFO] fetching crate rjq 0.3.0...
[INFO] checking rjq-0.3.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate rjq 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rjq 0.3.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rjq 0.3.0
[INFO] finished tweaking crates.io crate rjq 0.3.0
[INFO] tweaked toml for crates.io crate rjq 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2725146e79604a7f223c4c2393b117cc5dbf8a175ba43e70a3a002021ae878c8
[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" "2725146e79604a7f223c4c2393b117cc5dbf8a175ba43e70a3a002021ae878c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2725146e79604a7f223c4c2393b117cc5dbf8a175ba43e70a3a002021ae878c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2725146e79604a7f223c4c2393b117cc5dbf8a175ba43e70a3a002021ae878c8", kill_on_drop: false }`
[INFO] [stdout] 2725146e79604a7f223c4c2393b117cc5dbf8a175ba43e70a3a002021ae878c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--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] bb1e1c7cb224249a4af2dad23c8ab77af3ca60e5d1ada92eafd40e89772a19d6
[INFO] running `Command { std: "docker" "start" "-a" "bb1e1c7cb224249a4af2dad23c8ab77af3ca60e5d1ada92eafd40e89772a19d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling redis v0.8.0
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking rjq v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn drop(&self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:141:83
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn enqueue(&self, args: Vec<String>, expire: usize) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:60
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn status(&self, uuid: &str) -> Result<Status, Box<Error>> {
[INFO] [stdout]     |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:66
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn work<F: Fn(String, Vec<String>) -> Result<String, Box<Error>> + Send + Sync + 'static>
[INFO] [stdout]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:196:28
[INFO] [stdout]     |
[INFO] [stdout] 196 |          -> Result<(), Box<Error>> {
[INFO] [stdout]     |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:278:68
[INFO] [stdout]     |
[INFO] [stdout] 278 |     pub fn result(&self, uuid: &str) -> Result<Option<String>, Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn drop(&self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:141:83
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn enqueue(&self, args: Vec<String>, expire: usize) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:60
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn status(&self, uuid: &str) -> Result<Status, Box<Error>> {
[INFO] [stdout]     |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:66
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn work<F: Fn(String, Vec<String>) -> Result<String, Box<Error>> + Send + Sync + 'static>
[INFO] [stdout]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:196:28
[INFO] [stdout]     |
[INFO] [stdout] 196 |          -> Result<(), Box<Error>> {
[INFO] [stdout]     |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:278:68
[INFO] [stdout]     |
[INFO] [stdout] 278 |     pub fn result(&self, uuid: &str) -> Result<Option<String>, Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> examples/worker.rs:9:68
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn process(uuid: String, _: Vec<String>) -> Result<String, Box<Error>> {
[INFO] [stdout]   |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/mod.rs:35:63
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn fn_ok(_: String, _: Vec<String>) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/mod.rs:59:63
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn fn_ok(_: String, _: Vec<String>) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/mod.rs:83:64
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn fn_err(_: String, _: Vec<String>) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/mod.rs:107:63
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn fn_ok(_: String, _: Vec<String>) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.73s
[INFO] running `Command { std: "docker" "inspect" "bb1e1c7cb224249a4af2dad23c8ab77af3ca60e5d1ada92eafd40e89772a19d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1e1c7cb224249a4af2dad23c8ab77af3ca60e5d1ada92eafd40e89772a19d6", kill_on_drop: false }`
[INFO] [stdout] bb1e1c7cb224249a4af2dad23c8ab77af3ca60e5d1ada92eafd40e89772a19d6