[INFO] fetching crate colored_json 2.1.0...
[INFO] checking colored_json-2.1.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate colored_json 2.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate colored_json 2.1.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colored_json 2.1.0
[INFO] finished tweaking crates.io crate colored_json 2.1.0
[INFO] tweaked toml for crates.io crate colored_json 2.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate colored_json 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39f811f188237f468293da3e6e99ea2e41957d48141e0e6c17be674fa6e0d1b6
[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" "39f811f188237f468293da3e6e99ea2e41957d48141e0e6c17be674fa6e0d1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39f811f188237f468293da3e6e99ea2e41957d48141e0e6c17be674fa6e0d1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f811f188237f468293da3e6e99ea2e41957d48141e0e6c17be674fa6e0d1b6", kill_on_drop: false }`
[INFO] [stdout] 39f811f188237f468293da3e6e99ea2e41957d48141e0e6c17be674fa6e0d1b6
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] 7e97cda4690b8bc7022e3269ebfd4ad0b02be0b15a2347a196c40bb87839acd7
[INFO] running `Command { std: "docker" "start" "-a" "7e97cda4690b8bc7022e3269ebfd4ad0b02be0b15a2347a196c40bb87839acd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking colored_json v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/test.rs:8:48
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn test_display_json_value() -> 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/test.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn test_trait() -> 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/test.rs:50:39
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn test_trait_err() -> 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/test.rs:72:45
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn test_trait_color_off() -> 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/test.rs:94:42
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn test_trait_styler() -> 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/test.rs:127:52
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn test_trait_styler_color_off() -> 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/test.rs:160:36
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn test_writer() -> 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/test.rs:183:36
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn test_styler() -> 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/test.rs:224:45
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn test_styler_no_color() -> 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/test.rs:268:44
[INFO] [stdout]     |
[INFO] [stdout] 268 | fn test_styler_compact() -> 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]  --> examples/color.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main() -> ::std::result::Result<(), Box<::std::error::Error>> {
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "7e97cda4690b8bc7022e3269ebfd4ad0b02be0b15a2347a196c40bb87839acd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e97cda4690b8bc7022e3269ebfd4ad0b02be0b15a2347a196c40bb87839acd7", kill_on_drop: false }`
[INFO] [stdout] 7e97cda4690b8bc7022e3269ebfd4ad0b02be0b15a2347a196c40bb87839acd7
