[INFO] fetching crate stackarc 0.1.0...
[INFO] testing stackarc-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate stackarc 0.1.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate stackarc 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stackarc 0.1.0
[INFO] finished tweaking crates.io crate stackarc 0.1.0
[INFO] tweaked toml for crates.io crate stackarc 0.1.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0529b510bfee0b3460203a47b5e2f2c83e6fc625fefc9cf12eb3090e9782b24
[INFO] running `Command { std: "docker" "start" "-a" "b0529b510bfee0b3460203a47b5e2f2c83e6fc625fefc9cf12eb3090e9782b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0529b510bfee0b3460203a47b5e2f2c83e6fc625fefc9cf12eb3090e9782b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0529b510bfee0b3460203a47b5e2f2c83e6fc625fefc9cf12eb3090e9782b24", kill_on_drop: false }`
[INFO] [stdout] b0529b510bfee0b3460203a47b5e2f2c83e6fc625fefc9cf12eb3090e9782b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81977af59d38daea21aeb205334eb23ade971817115cf4f3a6d3711bab5a34cb
[INFO] running `Command { std: "docker" "start" "-a" "81977af59d38daea21aeb205334eb23ade971817115cf4f3a6d3711bab5a34cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "81977af59d38daea21aeb205334eb23ade971817115cf4f3a6d3711bab5a34cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81977af59d38daea21aeb205334eb23ade971817115cf4f3a6d3711bab5a34cb", kill_on_drop: false }`
[INFO] [stdout] 81977af59d38daea21aeb205334eb23ade971817115cf4f3a6d3711bab5a34cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d293f2b7b8cc35b849505a2432b758a3b1a34eefba860c313d8f5f0eb7a01452
[INFO] running `Command { std: "docker" "start" "-a" "d293f2b7b8cc35b849505a2432b758a3b1a34eefba860c313d8f5f0eb7a01452", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stackarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "d293f2b7b8cc35b849505a2432b758a3b1a34eefba860c313d8f5f0eb7a01452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d293f2b7b8cc35b849505a2432b758a3b1a34eefba860c313d8f5f0eb7a01452", kill_on_drop: false }`
[INFO] [stdout] d293f2b7b8cc35b849505a2432b758a3b1a34eefba860c313d8f5f0eb7a01452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3146375a37b3ce87ae4a4683b70df9542bdaf9f1047c1e4e3a025bcd8e2f106b
[INFO] running `Command { std: "docker" "start" "-a" "3146375a37b3ce87ae4a4683b70df9542bdaf9f1047c1e4e3a025bcd8e2f106b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stackarc-690e10d1e4f3966a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::a ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stackarc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ArcInner (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3146375a37b3ce87ae4a4683b70df9542bdaf9f1047c1e4e3a025bcd8e2f106b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3146375a37b3ce87ae4a4683b70df9542bdaf9f1047c1e4e3a025bcd8e2f106b", kill_on_drop: false }`
[INFO] [stdout] 3146375a37b3ce87ae4a4683b70df9542bdaf9f1047c1e4e3a025bcd8e2f106b