[INFO] fetching crate rxe 0.1.0...
[INFO] building rxe-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rxe 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rxe 0.1.0
[INFO] finished tweaking crates.io crate rxe 0.1.0
[INFO] tweaked toml for crates.io crate rxe 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rxe 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rxe 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.24
[INFO] [stderr]   Downloaded once_cell v1.11.0
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded rstest v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7518cf25b1727dfe8bdacfbd9d3a18c4c00a03c6dc5c1906055d8a6a769077f
[INFO] running `Command { std: "docker" "start" "-a" "f7518cf25b1727dfe8bdacfbd9d3a18c4c00a03c6dc5c1906055d8a6a769077f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7518cf25b1727dfe8bdacfbd9d3a18c4c00a03c6dc5c1906055d8a6a769077f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7518cf25b1727dfe8bdacfbd9d3a18c4c00a03c6dc5c1906055d8a6a769077f", kill_on_drop: false }`
[INFO] [stdout] f7518cf25b1727dfe8bdacfbd9d3a18c4c00a03c6dc5c1906055d8a6a769077f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee9f447425a50abc0fa045e788340d85cb7d53137d3e2c9be8ebbfc013199498
[INFO] running `Command { std: "docker" "start" "-a" "ee9f447425a50abc0fa045e788340d85cb7d53137d3e2c9be8ebbfc013199498", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling once_cell v1.11.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling serde_yaml v0.8.24
[INFO] [stderr]    Compiling rxe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.08s
[INFO] running `Command { std: "docker" "inspect" "ee9f447425a50abc0fa045e788340d85cb7d53137d3e2c9be8ebbfc013199498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9f447425a50abc0fa045e788340d85cb7d53137d3e2c9be8ebbfc013199498", kill_on_drop: false }`
[INFO] [stdout] ee9f447425a50abc0fa045e788340d85cb7d53137d3e2c9be8ebbfc013199498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a3ba2b0c5d042090c1164df300afda0031829eacdd55ad68f22d1a30d6ea00
[INFO] running `Command { std: "docker" "start" "-a" "f7a3ba2b0c5d042090c1164df300afda0031829eacdd55ad68f22d1a30d6ea00", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `helper::identify::Identify`
[INFO] [stdout]   --> src/constraints/text.rs:23:84
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::{constraints::{Constraint, ValueParseError}, domain::ArgumentValue, helper::identify::Identify};
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `helper::identify::Identify`
[INFO] [stdout]   --> src/constraints/flag.rs:46:84
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use crate::{constraints::{Constraint, ValueParseError}, domain::ArgumentValue, helper::identify::Identify};
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::placeholder::fill::fill_first_placeholder`
[INFO] [stdout]   --> src/placeholder/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use crate::placeholder::fill::fill_first_placeholder;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "f7a3ba2b0c5d042090c1164df300afda0031829eacdd55ad68f22d1a30d6ea00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a3ba2b0c5d042090c1164df300afda0031829eacdd55ad68f22d1a30d6ea00", kill_on_drop: false }`
[INFO] [stdout] f7a3ba2b0c5d042090c1164df300afda0031829eacdd55ad68f22d1a30d6ea00