[INFO] fetching crate krankerl 0.13.1...
[INFO] checking krankerl-0.13.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate krankerl 0.13.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate krankerl 0.13.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate krankerl 0.13.1
[INFO] finished tweaking crates.io crate krankerl 0.13.1
[INFO] tweaked toml for crates.io crate krankerl 0.13.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate krankerl 0.13.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] f7d177a852680fbbba784f42f75aa9318b4dcfe771ca430a4f9be6a65af25d3a
[INFO] running `Command { std: "docker" "start" "-a" "f7d177a852680fbbba784f42f75aa9318b4dcfe771ca430a4f9be6a65af25d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7d177a852680fbbba784f42f75aa9318b4dcfe771ca430a4f9be6a65af25d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d177a852680fbbba784f42f75aa9318b4dcfe771ca430a4f9be6a65af25d3a", kill_on_drop: false }`
[INFO] [stdout] f7d177a852680fbbba784f42f75aa9318b4dcfe771ca430a4f9be6a65af25d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8effc383f3da815955c746af1fe6b48605c49f10a10931a6d75bc678fb4247c
[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" "d8effc383f3da815955c746af1fe6b48605c49f10a10931a6d75bc678fb4247c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking peresil v0.3.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking indenter v0.3.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling num-bigint-dig v0.7.0
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking sxd-document v0.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking sxd-xpath v0.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking tracing-subscriber v0.2.16
[INFO] [stderr]     Checking xpath_reader v0.5.3
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.19+1.1.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking git2 v0.13.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking composer v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking simple_asn1 v0.5.2
[INFO] [stderr]     Checking nextcloud_appinfo v0.6.0
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking rsa v0.4.0
[INFO] [stderr]     Checking nextcloud_appsignature v0.7.1
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking npm_scripts v0.2.0
[INFO] [stderr]     Checking nextcloud_appstore v0.8.0
[INFO] [stderr]     Checking krankerl v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 42s
[INFO] running `Command { std: "docker" "inspect" "d8effc383f3da815955c746af1fe6b48605c49f10a10931a6d75bc678fb4247c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8effc383f3da815955c746af1fe6b48605c49f10a10931a6d75bc678fb4247c", kill_on_drop: false }`
[INFO] [stdout] d8effc383f3da815955c746af1fe6b48605c49f10a10931a6d75bc678fb4247c