[INFO] fetching crate json2csv 0.1.0... [INFO] checking json2csv-0.1.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] extracting crate json2csv 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate json2csv 0.1.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate json2csv 0.1.0 [INFO] finished tweaking crates.io crate json2csv 0.1.0 [INFO] tweaked toml for crates.io crate json2csv 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 782ba2587491fafa7b6fec1342eb06ef6cac7cbce138cea774c2b2759a9b52e7 [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" "782ba2587491fafa7b6fec1342eb06ef6cac7cbce138cea774c2b2759a9b52e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "782ba2587491fafa7b6fec1342eb06ef6cac7cbce138cea774c2b2759a9b52e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "782ba2587491fafa7b6fec1342eb06ef6cac7cbce138cea774c2b2759a9b52e7", kill_on_drop: false }` [INFO] [stdout] 782ba2587491fafa7b6fec1342eb06ef6cac7cbce138cea774c2b2759a9b52e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec4fe0ab7812a60c81e7bed9d2dd2d86e03a5952fdb9838eaea22dbb6e976188 [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" "ec4fe0ab7812a60c81e7bed9d2dd2d86e03a5952fdb9838eaea22dbb6e976188", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking rust-flatten-json v0.1.0 [INFO] [stderr] Checking json2csv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `json` [INFO] [stdout] --> src/convert/unwind_json.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json::{json, Value}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/convert.rs:36:21 [INFO] [stdout] | [INFO] [stdout] 36 | ) -> Result<(), Box> { [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/convert.rs:81:85 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn convert_header_to_csv_record(headers: &Vec<&str>) -> Result, Box> { [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/convert.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | ) -> Result, Box> { [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/main.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() -> Result<(), Box> { [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/main.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | let mut reader: Box = match m.value_of("INPUT") { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:72:52 [INFO] [stdout] | [INFO] [stdout] 72 | fn io_writer(path: Option<&str>) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/convert.rs:36:21 [INFO] [stdout] | [INFO] [stdout] 36 | ) -> Result<(), Box> { [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut reader: Box = match m.value_of("INPUT") { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/convert.rs:81:85 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn convert_header_to_csv_record(headers: &Vec<&str>) -> Result, Box> { [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/convert.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | ) -> Result, Box> { [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/main.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() -> Result<(), Box> { [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/main.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | let mut reader: Box = match m.value_of("INPUT") { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:72:52 [INFO] [stdout] | [INFO] [stdout] 72 | fn io_writer(path: Option<&str>) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut reader: Box = match m.value_of("INPUT") { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/convert.rs:121:13 [INFO] [stdout] | [INFO] [stdout] 121 | let mut sample_json = input.as_bytes(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.92s [INFO] running `Command { std: "docker" "inspect" "ec4fe0ab7812a60c81e7bed9d2dd2d86e03a5952fdb9838eaea22dbb6e976188", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec4fe0ab7812a60c81e7bed9d2dd2d86e03a5952fdb9838eaea22dbb6e976188", kill_on_drop: false }` [INFO] [stdout] ec4fe0ab7812a60c81e7bed9d2dd2d86e03a5952fdb9838eaea22dbb6e976188