[INFO] fetching crate varstack 0.2.4...
[INFO] testing varstack-0.2.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate varstack 0.2.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate varstack 0.2.4
[INFO] finished tweaking crates.io crate varstack 0.2.4
[INFO] tweaked toml for crates.io crate varstack 0.2.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate varstack 0.2.4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 876fcd4491d9293624c59e605ff64ca09dfaa4c91e3581f8c3f21906279acb15
[INFO] running `Command { std: "docker" "start" "-a" "876fcd4491d9293624c59e605ff64ca09dfaa4c91e3581f8c3f21906279acb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "876fcd4491d9293624c59e605ff64ca09dfaa4c91e3581f8c3f21906279acb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876fcd4491d9293624c59e605ff64ca09dfaa4c91e3581f8c3f21906279acb15", kill_on_drop: false }`
[INFO] [stdout] 876fcd4491d9293624c59e605ff64ca09dfaa4c91e3581f8c3f21906279acb15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79ebb251bc47aabcb0fd05d6636f8c371f691b1aeba299a01c00cec6b00228e9
[INFO] running `Command { std: "docker" "start" "-a" "79ebb251bc47aabcb0fd05d6636f8c371f691b1aeba299a01c00cec6b00228e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling varstack v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "79ebb251bc47aabcb0fd05d6636f8c371f691b1aeba299a01c00cec6b00228e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ebb251bc47aabcb0fd05d6636f8c371f691b1aeba299a01c00cec6b00228e9", kill_on_drop: false }`
[INFO] [stdout] 79ebb251bc47aabcb0fd05d6636f8c371f691b1aeba299a01c00cec6b00228e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73880a8d24b1d7bdfe0c974f1a63a2f2edd01605640cba264685da5786130dce
[INFO] running `Command { std: "docker" "start" "-a" "73880a8d24b1d7bdfe0c974f1a63a2f2edd01605640cba264685da5786130dce", kill_on_drop: false }`
[INFO] [stderr]    Compiling varstack v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "73880a8d24b1d7bdfe0c974f1a63a2f2edd01605640cba264685da5786130dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73880a8d24b1d7bdfe0c974f1a63a2f2edd01605640cba264685da5786130dce", kill_on_drop: false }`
[INFO] [stdout] 73880a8d24b1d7bdfe0c974f1a63a2f2edd01605640cba264685da5786130dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0365783f894e019533bc6ec072ab5aca51e5d6d637fbc58c1e4c54b236d4f3d2
[INFO] running `Command { std: "docker" "start" "-a" "0365783f894e019533bc6ec072ab5aca51e5d6d637fbc58c1e4c54b236d4f3d2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varstack-eeb1b3dca7a47290)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test r#ref::tests::stack_eq ... ok
[INFO] [stdout] test r#ref::tests::stack_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varstack
[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] running `Command { std: "docker" "inspect" "0365783f894e019533bc6ec072ab5aca51e5d6d637fbc58c1e4c54b236d4f3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0365783f894e019533bc6ec072ab5aca51e5d6d637fbc58c1e4c54b236d4f3d2", kill_on_drop: false }`
[INFO] [stdout] 0365783f894e019533bc6ec072ab5aca51e5d6d637fbc58c1e4c54b236d4f3d2