[INFO] fetching crate rustc-test-workspace-core 1.0.0...
[INFO] testing rustc-test-workspace-core-1.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate rustc-test-workspace-core 1.0.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate rustc-test-workspace-core 1.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-test-workspace-core 1.0.0
[INFO] finished tweaking crates.io crate rustc-test-workspace-core 1.0.0
[INFO] tweaked toml for crates.io crate rustc-test-workspace-core 1.0.0 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eed94458831d38e45c38f64623b70638cf503094309d95a3cee13f01cedadeb
[INFO] running `Command { std: "docker" "start" "-a" "5eed94458831d38e45c38f64623b70638cf503094309d95a3cee13f01cedadeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eed94458831d38e45c38f64623b70638cf503094309d95a3cee13f01cedadeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eed94458831d38e45c38f64623b70638cf503094309d95a3cee13f01cedadeb", kill_on_drop: false }`
[INFO] [stdout] 5eed94458831d38e45c38f64623b70638cf503094309d95a3cee13f01cedadeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7709aae4e1d8d7a3bcb2625ebb6695b5d9638909a537c9a15cd98fa0634b0548
[INFO] running `Command { std: "docker" "start" "-a" "7709aae4e1d8d7a3bcb2625ebb6695b5d9638909a537c9a15cd98fa0634b0548", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-test-workspace-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "7709aae4e1d8d7a3bcb2625ebb6695b5d9638909a537c9a15cd98fa0634b0548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7709aae4e1d8d7a3bcb2625ebb6695b5d9638909a537c9a15cd98fa0634b0548", kill_on_drop: false }`
[INFO] [stdout] 7709aae4e1d8d7a3bcb2625ebb6695b5d9638909a537c9a15cd98fa0634b0548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec6cf8a82b9b8c03230f543e96ee84c2a990532eac7fd82e336fc50aa81ba834
[INFO] running `Command { std: "docker" "start" "-a" "ec6cf8a82b9b8c03230f543e96ee84c2a990532eac7fd82e336fc50aa81ba834", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-test-workspace-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "ec6cf8a82b9b8c03230f543e96ee84c2a990532eac7fd82e336fc50aa81ba834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6cf8a82b9b8c03230f543e96ee84c2a990532eac7fd82e336fc50aa81ba834", kill_on_drop: false }`
[INFO] [stdout] ec6cf8a82b9b8c03230f543e96ee84c2a990532eac7fd82e336fc50aa81ba834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e72620b023b64ee7bff84b02ae106514c9261351f6849220c4fec2fe5263b8af
[INFO] running `Command { std: "docker" "start" "-a" "e72620b023b64ee7bff84b02ae106514c9261351f6849220c4fec2fe5263b8af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_test_workspace_core-60420de241b901a3)
[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] [stderr]    Doc-tests rustc-test-workspace-core
[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" "e72620b023b64ee7bff84b02ae106514c9261351f6849220c4fec2fe5263b8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72620b023b64ee7bff84b02ae106514c9261351f6849220c4fec2fe5263b8af", kill_on_drop: false }`
[INFO] [stdout] e72620b023b64ee7bff84b02ae106514c9261351f6849220c4fec2fe5263b8af