[INFO] fetching crate snafu-virtstack 0.1.0...
[INFO] testing snafu-virtstack-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate snafu-virtstack 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate snafu-virtstack 0.1.0
[INFO] finished tweaking crates.io crate snafu-virtstack 0.1.0
[INFO] tweaked toml for crates.io crate snafu-virtstack 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snafu-virtstack 0.1.0 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 snafu-virtstack 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu-virtstack-macro v0.1.0
[INFO] [stderr]   Downloaded snafu-derive v0.8.6
[INFO] [stderr]   Downloaded snafu v0.8.6
[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] c26a8c5c3ca0ae108d6a98d56d885f68229fdcb23b0085794f7cb8986a398095
[INFO] running `Command { std: "docker" "start" "-a" "c26a8c5c3ca0ae108d6a98d56d885f68229fdcb23b0085794f7cb8986a398095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c26a8c5c3ca0ae108d6a98d56d885f68229fdcb23b0085794f7cb8986a398095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26a8c5c3ca0ae108d6a98d56d885f68229fdcb23b0085794f7cb8986a398095", kill_on_drop: false }`
[INFO] [stdout] c26a8c5c3ca0ae108d6a98d56d885f68229fdcb23b0085794f7cb8986a398095
[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] 9e172f0d70ac19c55c47094563b65c86123f36d3bee8d9057dee7d869d67d1d2
[INFO] running `Command { std: "docker" "start" "-a" "9e172f0d70ac19c55c47094563b65c86123f36d3bee8d9057dee7d869d67d1d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling snafu v0.8.6
[INFO] [stderr]    Compiling snafu-virtstack-macro v0.1.0
[INFO] [stderr]    Compiling snafu-virtstack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "9e172f0d70ac19c55c47094563b65c86123f36d3bee8d9057dee7d869d67d1d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e172f0d70ac19c55c47094563b65c86123f36d3bee8d9057dee7d869d67d1d2", kill_on_drop: false }`
[INFO] [stdout] 9e172f0d70ac19c55c47094563b65c86123f36d3bee8d9057dee7d869d67d1d2
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c6ccf7d8eb84934fae9f8c3fcda5277dc3a62f8f564d56cc4a6ccda50d4c3e6
[INFO] running `Command { std: "docker" "start" "-a" "6c6ccf7d8eb84934fae9f8c3fcda5277dc3a62f8f564d56cc4a6ccda50d4c3e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling snafu v0.8.6
[INFO] [stderr]    Compiling snafu-virtstack-macro v0.1.0
[INFO] [stderr]    Compiling snafu-virtstack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "6c6ccf7d8eb84934fae9f8c3fcda5277dc3a62f8f564d56cc4a6ccda50d4c3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6ccf7d8eb84934fae9f8c3fcda5277dc3a62f8f564d56cc4a6ccda50d4c3e6", kill_on_drop: false }`
[INFO] [stdout] 6c6ccf7d8eb84934fae9f8c3fcda5277dc3a62f8f564d56cc4a6ccda50d4c3e6
[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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29296c47c12f2898a68bb727c1d345d7d61d545661ead24d8f5a7cbe18e5f94f
[INFO] running `Command { std: "docker" "start" "-a" "29296c47c12f2898a68bb727c1d345d7d61d545661ead24d8f5a7cbe18e5f94f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snafu_virtstack-e3107901d0802d80)
[INFO] [stderr]    Doc-tests snafu_virtstack
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - VirtualStackTrace (line 146) ... ok
[INFO] [stdout] test src/lib.rs - StackFrame::new (line 194) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29296c47c12f2898a68bb727c1d345d7d61d545661ead24d8f5a7cbe18e5f94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29296c47c12f2898a68bb727c1d345d7d61d545661ead24d8f5a7cbe18e5f94f", kill_on_drop: false }`
[INFO] [stdout] 29296c47c12f2898a68bb727c1d345d7d61d545661ead24d8f5a7cbe18e5f94f