[INFO] fetching crate rstack 0.3.2...
[INFO] testing rstack-0.3.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rstack 0.3.2 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate rstack 0.3.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rstack 0.3.2
[INFO] finished tweaking crates.io crate rstack 0.3.2
[INFO] tweaked toml for crates.io crate rstack 0.3.2 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate rstack 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8012cb828c9a920b322f2d97f05fb331d13f808662d50cd4ac937ed2e77f7128
[INFO] running `Command { std: "docker" "start" "-a" "8012cb828c9a920b322f2d97f05fb331d13f808662d50cd4ac937ed2e77f7128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8012cb828c9a920b322f2d97f05fb331d13f808662d50cd4ac937ed2e77f7128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8012cb828c9a920b322f2d97f05fb331d13f808662d50cd4ac937ed2e77f7128", kill_on_drop: false }`
[INFO] [stdout] 8012cb828c9a920b322f2d97f05fb331d13f808662d50cd4ac937ed2e77f7128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f748ebafd6de348c9cc3f29ecbcfd4d25eaf3bedc01a02ed40b49938e1715ad
[INFO] running `Command { std: "docker" "start" "-a" "4f748ebafd6de348c9cc3f29ecbcfd4d25eaf3bedc01a02ed40b49938e1715ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling foreign-types-shared v0.3.0
[INFO] [stderr]    Compiling unwind v0.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unwind-sys v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]    Compiling foreign-types v0.5.0
[INFO] [stderr]    Compiling rstack v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.29s
[INFO] running `Command { std: "docker" "inspect" "4f748ebafd6de348c9cc3f29ecbcfd4d25eaf3bedc01a02ed40b49938e1715ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f748ebafd6de348c9cc3f29ecbcfd4d25eaf3bedc01a02ed40b49938e1715ad", kill_on_drop: false }`
[INFO] [stdout] 4f748ebafd6de348c9cc3f29ecbcfd4d25eaf3bedc01a02ed40b49938e1715ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb8ee109fb7d9219efe63873b9da213e49bb22e7d255b7cb1ce3754a83a318a1
[INFO] running `Command { std: "docker" "start" "-a" "bb8ee109fb7d9219efe63873b9da213e49bb22e7d255b7cb1ce3754a83a318a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstack v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "bb8ee109fb7d9219efe63873b9da213e49bb22e7d255b7cb1ce3754a83a318a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8ee109fb7d9219efe63873b9da213e49bb22e7d255b7cb1ce3754a83a318a1", kill_on_drop: false }`
[INFO] [stdout] bb8ee109fb7d9219efe63873b9da213e49bb22e7d255b7cb1ce3754a83a318a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6afdf75875865fa3fa5289ee47adc2787ab10fcb3576c4910a5aedb3584b509b
[INFO] running `Command { std: "docker" "start" "-a" "6afdf75875865fa3fa5289ee47adc2787ab10fcb3576c4910a5aedb3584b509b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rstack-5bb0ccecd404eeb0)
[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 rstack
[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" "6afdf75875865fa3fa5289ee47adc2787ab10fcb3576c4910a5aedb3584b509b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6afdf75875865fa3fa5289ee47adc2787ab10fcb3576c4910a5aedb3584b509b", kill_on_drop: false }`
[INFO] [stdout] 6afdf75875865fa3fa5289ee47adc2787ab10fcb3576c4910a5aedb3584b509b