[INFO] crate kass 0.1.0 is already in cache
[INFO] checking kass-0.1.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate kass 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kass 0.1.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kass 0.1.0
[INFO] finished tweaking crates.io crate kass 0.1.0
[INFO] tweaked toml for crates.io crate kass 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate kass 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 516641e65796e0919d1497f367c48a23703b3427739c00a38f66fecd673b280b
[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" "516641e65796e0919d1497f367c48a23703b3427739c00a38f66fecd673b280b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "516641e65796e0919d1497f367c48a23703b3427739c00a38f66fecd673b280b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516641e65796e0919d1497f367c48a23703b3427739c00a38f66fecd673b280b", kill_on_drop: false }`
[INFO] [stdout] 516641e65796e0919d1497f367c48a23703b3427739c00a38f66fecd673b280b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b15b35a05a445c7a264c88db60cfc75fbce4dd75b38c9f5f7615a9d5eea3aa
[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" "79b15b35a05a445c7a264c88db60cfc75fbce4dd75b38c9f5f7615a9d5eea3aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking lz4-compress v0.1.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.3
[INFO] [stderr]     Checking r2d2 v0.8.7
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking cdrs v2.2.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking colored_json v2.1.0
[INFO] [stderr]     Checking kass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "79b15b35a05a445c7a264c88db60cfc75fbce4dd75b38c9f5f7615a9d5eea3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b15b35a05a445c7a264c88db60cfc75fbce4dd75b38c9f5f7615a9d5eea3aa", kill_on_drop: false }`
[INFO] [stdout] 79b15b35a05a445c7a264c88db60cfc75fbce4dd75b38c9f5f7615a9d5eea3aa