[INFO] cloning repository https://github.com/kenjasim/rush
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kenjasim/rush" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenjasim%2Frush", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenjasim%2Frush'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17696f3cede46d66f46acbdfe4d32133cb82c6a8
[INFO] building kenjasim/rush against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenjasim%2Frush" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kenjasim/rush on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kenjasim/rush
[INFO] finished tweaking git repo https://github.com/kenjasim/rush
[INFO] tweaked toml for git repo https://github.com/kenjasim/rush written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kenjasim/rush 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f45360bda5ff137d370d21bf67dec7297cd015304ad3177b8c8180943656ad7a
[INFO] running `Command { std: "docker" "start" "-a" "f45360bda5ff137d370d21bf67dec7297cd015304ad3177b8c8180943656ad7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f45360bda5ff137d370d21bf67dec7297cd015304ad3177b8c8180943656ad7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45360bda5ff137d370d21bf67dec7297cd015304ad3177b8c8180943656ad7a", kill_on_drop: false }`
[INFO] [stdout] f45360bda5ff137d370d21bf67dec7297cd015304ad3177b8c8180943656ad7a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 159aaab06c62ea36d6b9ac9d4989d1aee9168a0f7c5f0fbd608be0be7da44fdc
[INFO] running `Command { std: "docker" "start" "-a" "159aaab06c62ea36d6b9ac9d4989d1aee9168a0f7c5f0fbd608be0be7da44fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `gethostname`
[INFO] [stdout]  --> src/details/user.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libc::{getpwuid_r, geteuid, gethostname};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user` is never used
[INFO] [stdout]   --> src/details/user.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn get_user() -> Option<String>{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "159aaab06c62ea36d6b9ac9d4989d1aee9168a0f7c5f0fbd608be0be7da44fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159aaab06c62ea36d6b9ac9d4989d1aee9168a0f7c5f0fbd608be0be7da44fdc", kill_on_drop: false }`
[INFO] [stdout] 159aaab06c62ea36d6b9ac9d4989d1aee9168a0f7c5f0fbd608be0be7da44fdc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940a9dc0bf20406b23dc69a113ac8096d6d06a34a6253acb934f62a8c30594f3
[INFO] running `Command { std: "docker" "start" "-a" "940a9dc0bf20406b23dc69a113ac8096d6d06a34a6253acb934f62a8c30594f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `gethostname`
[INFO] [stdout]  --> src/details/user.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libc::{getpwuid_r, geteuid, gethostname};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user` is never used
[INFO] [stdout]   --> src/details/user.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn get_user() -> Option<String>{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "940a9dc0bf20406b23dc69a113ac8096d6d06a34a6253acb934f62a8c30594f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940a9dc0bf20406b23dc69a113ac8096d6d06a34a6253acb934f62a8c30594f3", kill_on_drop: false }`
[INFO] [stdout] 940a9dc0bf20406b23dc69a113ac8096d6d06a34a6253acb934f62a8c30594f3