[INFO] fetching crate printr 0.1.3...
[INFO] testing printr-0.1.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate printr 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate printr 0.1.3
[INFO] finished tweaking crates.io crate printr 0.1.3
[INFO] tweaked toml for crates.io crate printr 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate printr 0.1.3 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate printr 0.1.3 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded predicates-tree v1.0.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded assert_cmd v1.0.3
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded predicates v1.0.7
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded libc v0.2.92
[INFO] [stderr]   Downloaded sentiment v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932a2d412a94ecc8d2fb84b0e79f392edb6b8db1fe941cd3b83e91b6a71f78d3
[INFO] running `Command { std: "docker" "start" "-a" "932a2d412a94ecc8d2fb84b0e79f392edb6b8db1fe941cd3b83e91b6a71f78d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932a2d412a94ecc8d2fb84b0e79f392edb6b8db1fe941cd3b83e91b6a71f78d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932a2d412a94ecc8d2fb84b0e79f392edb6b8db1fe941cd3b83e91b6a71f78d3", kill_on_drop: false }`
[INFO] [stdout] 932a2d412a94ecc8d2fb84b0e79f392edb6b8db1fe941cd3b83e91b6a71f78d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b029fbeb443ce57bcfc83294005cce93274279c207f6e3e08182caab439e9d20
[INFO] running `Command { std: "docker" "start" "-a" "b029fbeb443ce57bcfc83294005cce93274279c207f6e3e08182caab439e9d20", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling sentiment v0.1.1
[INFO] [stderr]    Compiling printr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value_name` is never read
[INFO] [stdout]   --> src/app.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Positional {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 47 |         value_name: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomArgKind` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> build.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     tpl = tpl.replace("{{AUTHORS}}", clap::crate_authors!(",\n"));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ this raw pointer has type `*const String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&String`
[INFO] [stdout]   --> build.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     tpl = tpl.replace("{{AUTHORS}}", clap::crate_authors!(",\n"));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout]    = note: this error originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.33.3/src/macros.rs:493:22
[INFO] [stdout]    |
[INFO] [stdout] 493|                     &(&(*VALUE))[..]
[INFO] [stdout]    |                      ++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printr` (build script) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b029fbeb443ce57bcfc83294005cce93274279c207f6e3e08182caab439e9d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b029fbeb443ce57bcfc83294005cce93274279c207f6e3e08182caab439e9d20", kill_on_drop: false }`
[INFO] [stdout] b029fbeb443ce57bcfc83294005cce93274279c207f6e3e08182caab439e9d20