[INFO] fetching crate rcsv 0.1.0...
[INFO] building rcsv-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rcsv 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rcsv 0.1.0
[INFO] finished tweaking crates.io crate rcsv 0.1.0
[INFO] tweaked toml for crates.io crate rcsv 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcsv 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rcsv 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027e83e1fad29b0fc8aed565a6c6f8f503c47eeb97f1e44669a50305083d995d
[INFO] running `Command { std: "docker" "start" "-a" "027e83e1fad29b0fc8aed565a6c6f8f503c47eeb97f1e44669a50305083d995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027e83e1fad29b0fc8aed565a6c6f8f503c47eeb97f1e44669a50305083d995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027e83e1fad29b0fc8aed565a6c6f8f503c47eeb97f1e44669a50305083d995d", kill_on_drop: false }`
[INFO] [stdout] 027e83e1fad29b0fc8aed565a6c6f8f503c47eeb97f1e44669a50305083d995d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc8643cb37222f6fe39883725e4f4a9c5639547246b4d6e85f057a66fd459daf
[INFO] running `Command { std: "docker" "start" "-a" "bc8643cb37222f6fe39883725e4f4a9c5639547246b4d6e85f057a66fd459daf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling rcsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `putback` is never used
[INFO] [stdout]   --> src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Parser {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn putback(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]  --> src/mmap/file_mapper.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub struct FileMapper {
[INFO] [stdout]   |                ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |         file: File,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "bc8643cb37222f6fe39883725e4f4a9c5639547246b4d6e85f057a66fd459daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8643cb37222f6fe39883725e4f4a9c5639547246b4d6e85f057a66fd459daf", kill_on_drop: false }`
[INFO] [stdout] bc8643cb37222f6fe39883725e4f4a9c5639547246b4d6e85f057a66fd459daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec90e54f836f98d3bd5aa903544d3fb53b74fb95615a6bc79bc8682ae33c18b
[INFO] running `Command { std: "docker" "start" "-a" "aec90e54f836f98d3bd5aa903544d3fb53b74fb95615a6bc79bc8682ae33c18b", kill_on_drop: false }`
[INFO] [stdout] warning: method `putback` is never used
[INFO] [stdout]   --> src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Parser {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn putback(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]  --> src/mmap/file_mapper.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub struct FileMapper {
[INFO] [stdout]   |                ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |         file: File,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rcsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `putback` is never used
[INFO] [stdout]   --> src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Parser {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn putback(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]  --> src/mmap/file_mapper.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub struct FileMapper {
[INFO] [stdout]   |                ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |         file: File,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "aec90e54f836f98d3bd5aa903544d3fb53b74fb95615a6bc79bc8682ae33c18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec90e54f836f98d3bd5aa903544d3fb53b74fb95615a6bc79bc8682ae33c18b", kill_on_drop: false }`
[INFO] [stdout] aec90e54f836f98d3bd5aa903544d3fb53b74fb95615a6bc79bc8682ae33c18b