[INFO] fetching crate prometheus-metric-storage 0.4.0...
[INFO] testing prometheus-metric-storage-0.4.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate prometheus-metric-storage 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prometheus-metric-storage 0.4.0 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 prometheus-metric-storage 0.4.0
[INFO] finished tweaking crates.io crate prometheus-metric-storage 0.4.0
[INFO] tweaked toml for crates.io crate prometheus-metric-storage 0.4.0 written to /workspace/builds/worker-0/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus-metric-storage-derive v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c36b42acb2dceaa32aa382526b19554ec9e74909a7e36914065ae647fc7e62a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c36b42acb2dceaa32aa382526b19554ec9e74909a7e36914065ae647fc7e62a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c36b42acb2dceaa32aa382526b19554ec9e74909a7e36914065ae647fc7e62a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36b42acb2dceaa32aa382526b19554ec9e74909a7e36914065ae647fc7e62a7", kill_on_drop: false }`
[INFO] [stdout] c36b42acb2dceaa32aa382526b19554ec9e74909a7e36914065ae647fc7e62a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ea9b84a5a9a4798045f06c0338c518f70ef5004d95a20ae15d26624f1c49d7d
[INFO] running `Command { std: "docker" "start" "-a" "0ea9b84a5a9a4798045f06c0338c518f70ef5004d95a20ae15d26624f1c49d7d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling prometheus-metric-storage-derive v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling prometheus-metric-storage v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.76s
[INFO] running `Command { std: "docker" "inspect" "0ea9b84a5a9a4798045f06c0338c518f70ef5004d95a20ae15d26624f1c49d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea9b84a5a9a4798045f06c0338c518f70ef5004d95a20ae15d26624f1c49d7d", kill_on_drop: false }`
[INFO] [stdout] 0ea9b84a5a9a4798045f06c0338c518f70ef5004d95a20ae15d26624f1c49d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f07ea5b58c21079c7076121497cd5f1d09533dff969fdb1d0f8b96f73d6340c3
[INFO] running `Command { std: "docker" "start" "-a" "f07ea5b58c21079c7076121497cd5f1d09533dff969fdb1d0f8b96f73d6340c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-metric-storage v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "f07ea5b58c21079c7076121497cd5f1d09533dff969fdb1d0f8b96f73d6340c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07ea5b58c21079c7076121497cd5f1d09533dff969fdb1d0f8b96f73d6340c3", kill_on_drop: false }`
[INFO] [stdout] f07ea5b58c21079c7076121497cd5f1d09533dff969fdb1d0f8b96f73d6340c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 07214d34c90931f21f6dbc98feea2428ca0ecf129ce9e3f1674a2cdae5cf8053
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "07214d34c90931f21f6dbc98feea2428ca0ecf129ce9e3f1674a2cdae5cf8053", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_metric_storage-4be182f03142bbdf)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests prometheus-metric-storage
[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] error: couldn't read /opt/rustwide/workdir/src/../../README.md: No such file or directory (os error 2)
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:351:13
[INFO] [stderr]     |
[INFO] [stderr] 351 |     #[doc = include_str!("../../README.md")]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "07214d34c90931f21f6dbc98feea2428ca0ecf129ce9e3f1674a2cdae5cf8053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07214d34c90931f21f6dbc98feea2428ca0ecf129ce9e3f1674a2cdae5cf8053", kill_on_drop: false }`
[INFO] [stdout] 07214d34c90931f21f6dbc98feea2428ca0ecf129ce9e3f1674a2cdae5cf8053