[INFO] fetching crate npr 0.2.0...
[INFO] checking npr-0.2.0 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate npr 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate npr 0.2.0 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate npr 0.2.0
[INFO] finished tweaking crates.io crate npr 0.2.0
[INFO] tweaked toml for crates.io crate npr 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab1fcae41ace7f76e56e02a4f29598797815582f8382863f134c385f5e33bd00
[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" "ab1fcae41ace7f76e56e02a4f29598797815582f8382863f134c385f5e33bd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab1fcae41ace7f76e56e02a4f29598797815582f8382863f134c385f5e33bd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1fcae41ace7f76e56e02a4f29598797815582f8382863f134c385f5e33bd00", kill_on_drop: false }`
[INFO] [stdout] ab1fcae41ace7f76e56e02a4f29598797815582f8382863f134c385f5e33bd00
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9fb2eb91feeb9bd0cf5afd8880d2d735967f01380af1dfd6cf0c74da26f09d9
[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" "f9fb2eb91feeb9bd0cf5afd8880d2d735967f01380af1dfd6cf0c74da26f09d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking npr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "f9fb2eb91feeb9bd0cf5afd8880d2d735967f01380af1dfd6cf0c74da26f09d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fb2eb91feeb9bd0cf5afd8880d2d735967f01380af1dfd6cf0c74da26f09d9", kill_on_drop: false }`
[INFO] [stdout] f9fb2eb91feeb9bd0cf5afd8880d2d735967f01380af1dfd6cf0c74da26f09d9