[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 master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostpersonality%2Fserde-transcode-cli" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/postpersonality/serde-transcode-cli on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded toml v0.5.0 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded serde-transcode v1.1.0 [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded half v1.3.0 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded globwalk v0.5.0 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded ignore v0.4.7 [INFO] [stderr] Downloaded difference v2.0.0 [INFO] [stderr] Downloaded globset v0.4.3 [INFO] [stderr] Downloaded bstr v0.1.3 [INFO] [stderr] Downloaded libc v0.2.54 [INFO] [stderr] Downloaded tempfile v3.0.7 [INFO] [stderr] Downloaded assert_fs v0.11.3 [INFO] [stderr] Downloaded getopts v0.2.19 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded serde_cbor v0.9.0 [INFO] [stderr] Downloaded serde v1.0.90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f545e01e9d7373bb1e94d18c56a36f4a80478a1374163e843ed9c2c0dc779749 [INFO] running `Command { std: "docker" "start" "-a" "f545e01e9d7373bb1e94d18c56a36f4a80478a1374163e843ed9c2c0dc779749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f545e01e9d7373bb1e94d18c56a36f4a80478a1374163e843ed9c2c0dc779749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f545e01e9d7373bb1e94d18c56a36f4a80478a1374163e843ed9c2c0dc779749", kill_on_drop: false }` [INFO] [stdout] f545e01e9d7373bb1e94d18c56a36f4a80478a1374163e843ed9c2c0dc779749 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6853da6beba90a12efd9fd99bca0d6065937afb084d5c661537a5d80a6ebcd3b [INFO] running `Command { std: "docker" "start" "-a" "6853da6beba90a12efd9fd99bca0d6065937afb084d5c661537a5d80a6ebcd3b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking num-traits v0.2.6 [INFO] [stderr] Checking ryu v0.2.8 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking bstr v0.1.3 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking half v1.3.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking getopts v0.2.19 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking tempfile v3.0.7 [INFO] [stderr] Compiling serde_derive v1.0.91 [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] 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-transcode v1.1.0 [INFO] [stderr] Checking serde_yaml v0.8.9 [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | fn file_not_specified() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 | fn test(i_fixture: &str, o_format: &str) -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 85 | fn json_json() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 | fn json_cbor() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 95 | fn json_toml() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 100 | fn json_yaml() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 105 | fn cbor_json() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 110 | fn cbor_toml() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 115 | fn cbor_yaml() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 120 | fn toml_cbor() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 125 | fn toml_json() -> Result<(), Box> { [INFO] [stdout] | +++ [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> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 130 | fn toml_yaml() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `input_file`, `output_file`, and `output_format` are never read [INFO] [stdout] --> tests/integration_tests.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 31 | struct AppError { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 32 | stderr: String, [INFO] [stdout] 33 | input_file: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 34 | output_file: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 35 | output_format: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.64s [INFO] running `Command { std: "docker" "inspect" "6853da6beba90a12efd9fd99bca0d6065937afb084d5c661537a5d80a6ebcd3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6853da6beba90a12efd9fd99bca0d6065937afb084d5c661537a5d80a6ebcd3b", kill_on_drop: false }` [INFO] [stdout] 6853da6beba90a12efd9fd99bca0d6065937afb084d5c661537a5d80a6ebcd3b