[INFO] fetching crate ab 0.0.0...
[INFO] testing ab-0.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ab 0.0.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate ab 0.0.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ab 0.0.0
[INFO] finished tweaking crates.io crate ab 0.0.0
[INFO] tweaked toml for crates.io crate ab 0.0.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59c4185264fec8d0f7b64bf152e3ed35a5e603d855de9b7d5e5cb2fe8e3afebb
[INFO] running `Command { std: "docker" "start" "-a" "59c4185264fec8d0f7b64bf152e3ed35a5e603d855de9b7d5e5cb2fe8e3afebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c4185264fec8d0f7b64bf152e3ed35a5e603d855de9b7d5e5cb2fe8e3afebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c4185264fec8d0f7b64bf152e3ed35a5e603d855de9b7d5e5cb2fe8e3afebb", kill_on_drop: false }`
[INFO] [stdout] 59c4185264fec8d0f7b64bf152e3ed35a5e603d855de9b7d5e5cb2fe8e3afebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9174ce3a3e42dc48cc0f6671a15a93b18d8b8b3f6398c1ebed5dcdf7f4ea190
[INFO] running `Command { std: "docker" "start" "-a" "f9174ce3a3e42dc48cc0f6671a15a93b18d8b8b3f6398c1ebed5dcdf7f4ea190", kill_on_drop: false }`
[INFO] [stderr]    Compiling ab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "f9174ce3a3e42dc48cc0f6671a15a93b18d8b8b3f6398c1ebed5dcdf7f4ea190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9174ce3a3e42dc48cc0f6671a15a93b18d8b8b3f6398c1ebed5dcdf7f4ea190", kill_on_drop: false }`
[INFO] [stdout] f9174ce3a3e42dc48cc0f6671a15a93b18d8b8b3f6398c1ebed5dcdf7f4ea190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 677e53d3a1e53539d7b96fcf27ab75e57a66b6584b0630d8328ea0dc88a09736
[INFO] running `Command { std: "docker" "start" "-a" "677e53d3a1e53539d7b96fcf27ab75e57a66b6584b0630d8328ea0dc88a09736", kill_on_drop: false }`
[INFO] [stderr]    Compiling ab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "677e53d3a1e53539d7b96fcf27ab75e57a66b6584b0630d8328ea0dc88a09736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677e53d3a1e53539d7b96fcf27ab75e57a66b6584b0630d8328ea0dc88a09736", kill_on_drop: false }`
[INFO] [stdout] 677e53d3a1e53539d7b96fcf27ab75e57a66b6584b0630d8328ea0dc88a09736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09566b0f8da8af8b6e96c3c854d32cfb28ecff75b65e90a2daa92b3f22388ad7
[INFO] running `Command { std: "docker" "start" "-a" "09566b0f8da8af8b6e96c3c854d32cfb28ecff75b65e90a2daa92b3f22388ad7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ab-6e88295c317d3eea)
[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 ab
[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" "09566b0f8da8af8b6e96c3c854d32cfb28ecff75b65e90a2daa92b3f22388ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09566b0f8da8af8b6e96c3c854d32cfb28ecff75b65e90a2daa92b3f22388ad7", kill_on_drop: false }`
[INFO] [stdout] 09566b0f8da8af8b6e96c3c854d32cfb28ecff75b65e90a2daa92b3f22388ad7