[INFO] cloning repository https://github.com/postpersonality/serde-transcode-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/postpersonality/serde-transcode-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostpersonality%2Fserde-transcode-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostpersonality%2Fserde-transcode-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5dfdd34e485a7a93be19c55372c1bbade1328ad
[INFO] checking postpersonality/serde-transcode-cli against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostpersonality%2Fserde-transcode-cli" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/postpersonality/serde-transcode-cli on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/postpersonality/serde-transcode-cli
[INFO] finished tweaking git repo https://github.com/postpersonality/serde-transcode-cli
[INFO] tweaked toml for git repo https://github.com/postpersonality/serde-transcode-cli written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/postpersonality/serde-transcode-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_fs v0.11.3
[INFO] [stderr]   Downloaded bstr v0.1.3
[INFO] [stderr]   Downloaded globwalk v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] b5474ec755f6826b88f7ee30cebcb79939eda4c04c7e2f5cf45506e23cd8fd0c
[INFO] running `Command { std: "docker" "start" "-a" "b5474ec755f6826b88f7ee30cebcb79939eda4c04c7e2f5cf45506e23cd8fd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5474ec755f6826b88f7ee30cebcb79939eda4c04c7e2f5cf45506e23cd8fd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5474ec755f6826b88f7ee30cebcb79939eda4c04c7e2f5cf45506e23cd8fd0c", kill_on_drop: false }`
[INFO] [stdout] b5474ec755f6826b88f7ee30cebcb79939eda4c04c7e2f5cf45506e23cd8fd0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 146a6973efdd4dc797befa1e9ceef2d9d7c78e4059a03dca9b5c3fb47bfe38d4
[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" "146a6973efdd4dc797befa1e9ceef2d9d7c78e4059a03dca9b5c3fb47bfe38d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking bstr v0.1.3
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking globset v0.4.3
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking globwalk v0.5.0
[INFO] [stderr]     Checking assert_fs v0.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking serde-transcode-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/integration_tests.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn file_not_specified() -> 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]   --> tests/integration_tests.rs:47:60
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn test(i_fixture: &str, o_format: &str) -> 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]   --> tests/integration_tests.rs:85:34
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn json_json() -> 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]   --> tests/integration_tests.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn json_cbor() -> 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]   --> tests/integration_tests.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn json_toml() -> 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]    --> tests/integration_tests.rs:100:34
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn json_yaml() -> 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]    --> tests/integration_tests.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn cbor_json() -> 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]    --> tests/integration_tests.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn cbor_toml() -> 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]    --> tests/integration_tests.rs:115:34
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn cbor_yaml() -> 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]    --> tests/integration_tests.rs:120:34
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn toml_cbor() -> 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]    --> tests/integration_tests.rs:125:34
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn toml_json() -> 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]    --> tests/integration_tests.rs:130:34
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn toml_yaml() -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.49s
[INFO] running `Command { std: "docker" "inspect" "146a6973efdd4dc797befa1e9ceef2d9d7c78e4059a03dca9b5c3fb47bfe38d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146a6973efdd4dc797befa1e9ceef2d9d7c78e4059a03dca9b5c3fb47bfe38d4", kill_on_drop: false }`
[INFO] [stdout] 146a6973efdd4dc797befa1e9ceef2d9d7c78e4059a03dca9b5c3fb47bfe38d4