[INFO] fetching crate csv2json 0.3.1...
[INFO] checking csv2json-0.3.1 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate csv2json 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate csv2json 0.3.1 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate csv2json 0.3.1
[INFO] finished tweaking crates.io crate csv2json 0.3.1
[INFO] tweaked toml for crates.io crate csv2json 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56ca3d507c8915b48a1d96a4a6288a3d10c79d7b9f5566610c9e8b5072c7c3ea
[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" "56ca3d507c8915b48a1d96a4a6288a3d10c79d7b9f5566610c9e8b5072c7c3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56ca3d507c8915b48a1d96a4a6288a3d10c79d7b9f5566610c9e8b5072c7c3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ca3d507c8915b48a1d96a4a6288a3d10c79d7b9f5566610c9e8b5072c7c3ea", kill_on_drop: false }`
[INFO] [stdout] 56ca3d507c8915b48a1d96a4a6288a3d10c79d7b9f5566610c9e8b5072c7c3ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d03ff6c41ccf5555ff3c0f7512e9311a99a90d775a0f91bd06f7c0db72b0488
[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" "4d03ff6c41ccf5555ff3c0f7512e9311a99a90d775a0f91bd06f7c0db72b0488", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking csv2json v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sys/mod.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_file_name(path: &AsRef<Path>) -> &str {
[INFO] [stdout]   |                             ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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/sys/mod.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     out_dir: &AsRef<Path>,
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sys/mod.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     file_name: &AsRef<Path>,
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sys/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     data: &AsRef<[u8]>,
[INFO] [stdout]    |            ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sys/mod.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_file_name(path: &AsRef<Path>) -> &str {
[INFO] [stdout]   |                             ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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/sys/mod.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     out_dir: &AsRef<Path>,
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sys/mod.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     file_name: &AsRef<Path>,
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sys/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     data: &AsRef<[u8]>,
[INFO] [stdout]    |            ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/data/mod.rs:120:34
[INFO] [stdout]     |
[INFO] [stdout] 120 |             if let Value::Object(mut o2) = v2 {
[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/data/mod.rs:120:34
[INFO] [stdout]     |
[INFO] [stdout] 120 |             if let Value::Object(mut o2) = v2 {
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "4d03ff6c41ccf5555ff3c0f7512e9311a99a90d775a0f91bd06f7c0db72b0488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d03ff6c41ccf5555ff3c0f7512e9311a99a90d775a0f91bd06f7c0db72b0488", kill_on_drop: false }`
[INFO] [stdout] 4d03ff6c41ccf5555ff3c0f7512e9311a99a90d775a0f91bd06f7c0db72b0488