[INFO] fetching crate spfr 0.0.4...
[INFO] testing spfr-0.0.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate spfr 0.0.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spfr 0.0.4 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 spfr 0.0.4
[INFO] finished tweaking crates.io crate spfr 0.0.4
[INFO] tweaked toml for crates.io crate spfr 0.0.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate spfr 0.0.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c94e4db628d81dfd8dcf838a4de6246375a741dceba17d0b4970fb45bf4c8880
[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" "c94e4db628d81dfd8dcf838a4de6246375a741dceba17d0b4970fb45bf4c8880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c94e4db628d81dfd8dcf838a4de6246375a741dceba17d0b4970fb45bf4c8880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94e4db628d81dfd8dcf838a4de6246375a741dceba17d0b4970fb45bf4c8880", kill_on_drop: false }`
[INFO] [stdout] c94e4db628d81dfd8dcf838a4de6246375a741dceba17d0b4970fb45bf4c8880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8c34c5e8f39ecd8e73c64ca16b97112cef0e4c23dfeceab028489eb94dc5d3a
[INFO] running `Command { std: "docker" "start" "-a" "a8c34c5e8f39ecd8e73c64ca16b97112cef0e4c23dfeceab028489eb94dc5d3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling trust-dns-proto v0.20.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling trust-dns-resolver v0.20.3
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling jacklog v0.0.8
[INFO] [stderr]    Compiling spfr v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "a8c34c5e8f39ecd8e73c64ca16b97112cef0e4c23dfeceab028489eb94dc5d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c34c5e8f39ecd8e73c64ca16b97112cef0e4c23dfeceab028489eb94dc5d3a", kill_on_drop: false }`
[INFO] [stdout] a8c34c5e8f39ecd8e73c64ca16b97112cef0e4c23dfeceab028489eb94dc5d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a5498d2541f93f1f79ffe6b0fb3e8d2deda1fa410a8213c0871f8f1eaea49d3e
[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" "a5498d2541f93f1f79ffe6b0fb3e8d2deda1fa410a8213c0871f8f1eaea49d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling spfr v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "a5498d2541f93f1f79ffe6b0fb3e8d2deda1fa410a8213c0871f8f1eaea49d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5498d2541f93f1f79ffe6b0fb3e8d2deda1fa410a8213c0871f8f1eaea49d3e", kill_on_drop: false }`
[INFO] [stdout] a5498d2541f93f1f79ffe6b0fb3e8d2deda1fa410a8213c0871f8f1eaea49d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ecc04205ee0b155b5240cddd882feb5ff0392181f9ecc8206a90075105ca9f57
[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" "ecc04205ee0b155b5240cddd882feb5ff0392181f9ecc8206a90075105ca9f57", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spfr-177ab1261c32a634)
[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" "ecc04205ee0b155b5240cddd882feb5ff0392181f9ecc8206a90075105ca9f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc04205ee0b155b5240cddd882feb5ff0392181f9ecc8206a90075105ca9f57", kill_on_drop: false }`
[INFO] [stdout] ecc04205ee0b155b5240cddd882feb5ff0392181f9ecc8206a90075105ca9f57