[INFO] cloning repository https://github.com/experiments-for-rust/variables
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/experiments-for-rust/variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexperiments-for-rust%2Fvariables", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexperiments-for-rust%2Fvariables'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2450d33855573e9b6f44876f8adbf3c924450cc
[INFO] testing experiments-for-rust/variables against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexperiments-for-rust%2Fvariables" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/experiments-for-rust/variables on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/experiments-for-rust/variables
[INFO] finished tweaking git repo https://github.com/experiments-for-rust/variables
[INFO] tweaked toml for git repo https://github.com/experiments-for-rust/variables written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/experiments-for-rust/variables already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd408516bf6da22aeaea51495e54cd46bc7f0698bf9f2cd4faa29e82e2da411a
[INFO] running `Command { std: "docker" "start" "-a" "dd408516bf6da22aeaea51495e54cd46bc7f0698bf9f2cd4faa29e82e2da411a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd408516bf6da22aeaea51495e54cd46bc7f0698bf9f2cd4faa29e82e2da411a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd408516bf6da22aeaea51495e54cd46bc7f0698bf9f2cd4faa29e82e2da411a", kill_on_drop: false }`
[INFO] [stdout] dd408516bf6da22aeaea51495e54cd46bc7f0698bf9f2cd4faa29e82e2da411a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 394c63a987843ea2074bc65c4a4ffcce87bf082423b599b6d2d2af2bf59278fd
[INFO] running `Command { std: "docker" "start" "-a" "394c63a987843ea2074bc65c4a4ffcce87bf082423b599b6d2d2af2bf59278fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.81s
[INFO] running `Command { std: "docker" "inspect" "394c63a987843ea2074bc65c4a4ffcce87bf082423b599b6d2d2af2bf59278fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394c63a987843ea2074bc65c4a4ffcce87bf082423b599b6d2d2af2bf59278fd", kill_on_drop: false }`
[INFO] [stdout] 394c63a987843ea2074bc65c4a4ffcce87bf082423b599b6d2d2af2bf59278fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82a722ea22421fd9e0a821f215b5feb1fe35c4f7f0b7dd51cc2fb515918e4cc8
[INFO] running `Command { std: "docker" "start" "-a" "82a722ea22421fd9e0a821f215b5feb1fe35c4f7f0b7dd51cc2fb515918e4cc8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 44.65s
[INFO] running `Command { std: "docker" "inspect" "82a722ea22421fd9e0a821f215b5feb1fe35c4f7f0b7dd51cc2fb515918e4cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a722ea22421fd9e0a821f215b5feb1fe35c4f7f0b7dd51cc2fb515918e4cc8", kill_on_drop: false }`
[INFO] [stdout] 82a722ea22421fd9e0a821f215b5feb1fe35c4f7f0b7dd51cc2fb515918e4cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0f155f977a9c0b048da927f3058455526b57496b9038fbaff04b46be1aa5dc1
[INFO] running `Command { std: "docker" "start" "-a" "c0f155f977a9c0b048da927f3058455526b57496b9038fbaff04b46be1aa5dc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.42s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/variables-35b9c604be1731b5)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0f155f977a9c0b048da927f3058455526b57496b9038fbaff04b46be1aa5dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f155f977a9c0b048da927f3058455526b57496b9038fbaff04b46be1aa5dc1", kill_on_drop: false }`
[INFO] [stdout] c0f155f977a9c0b048da927f3058455526b57496b9038fbaff04b46be1aa5dc1