[INFO] fetching crate saltlick 0.4.1...
[INFO] checking saltlick-0.4.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate saltlick 0.4.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate saltlick 0.4.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate saltlick 0.4.1
[INFO] finished tweaking crates.io crate saltlick 0.4.1
[INFO] tweaked toml for crates.io crate saltlick 0.4.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] f49480ce27161a2bb8332d20c3571f0625cd76267de5ee9f3b597fa28862bf21
[INFO] running `Command { std: "docker" "start" "-a" "f49480ce27161a2bb8332d20c3571f0625cd76267de5ee9f3b597fa28862bf21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49480ce27161a2bb8332d20c3571f0625cd76267de5ee9f3b597fa28862bf21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49480ce27161a2bb8332d20c3571f0625cd76267de5ee9f3b597fa28862bf21", kill_on_drop: false }`
[INFO] [stdout] f49480ce27161a2bb8332d20c3571f0625cd76267de5ee9f3b597fa28862bf21
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--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] c55d2517f2ada1c93fc68583be0d06cba78244d14f692fc032ee0fc909546d44
[INFO] running `Command { std: "docker" "start" "-a" "c55d2517f2ada1c93fc68583be0d06cba78244d14f692fc032ee0fc909546d44", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking pem v0.8.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]     Checking saltlick v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 13s
[INFO] running `Command { std: "docker" "inspect" "c55d2517f2ada1c93fc68583be0d06cba78244d14f692fc032ee0fc909546d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55d2517f2ada1c93fc68583be0d06cba78244d14f692fc032ee0fc909546d44", kill_on_drop: false }`
[INFO] [stdout] c55d2517f2ada1c93fc68583be0d06cba78244d14f692fc032ee0fc909546d44