[INFO] fetching crate levenberg-marquardt 0.7.0...
[INFO] checking levenberg-marquardt-0.7.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate levenberg-marquardt 0.7.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate levenberg-marquardt 0.7.0 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 levenberg-marquardt 0.7.0
[INFO] finished tweaking crates.io crate levenberg-marquardt 0.7.0
[INFO] tweaked toml for crates.io crate levenberg-marquardt 0.7.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 16daacfa7cc1b11f1789e46d3ca28223a95c5ba12b449269d60cc2a45e83f15b
[INFO] running `Command { std: "docker" "start" "-a" "16daacfa7cc1b11f1789e46d3ca28223a95c5ba12b449269d60cc2a45e83f15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16daacfa7cc1b11f1789e46d3ca28223a95c5ba12b449269d60cc2a45e83f15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16daacfa7cc1b11f1789e46d3ca28223a95c5ba12b449269d60cc2a45e83f15b", kill_on_drop: false }`
[INFO] [stdout] 16daacfa7cc1b11f1789e46d3ca28223a95c5ba12b449269d60cc2a45e83f15b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 58a172968dea4c012764b4e88e07900cf8ec91def7485005953e1accfd54e681
[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" "58a172968dea4c012764b4e88e07900cf8ec91def7485005953e1accfd54e681", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking sample-consensus v1.0.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking arrsac v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking pcg_rand v0.12.0
[INFO] [stderr]     Checking simba v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling levenberg-marquardt v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nalgebra v0.23.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.62s
[INFO] running `Command { std: "docker" "inspect" "58a172968dea4c012764b4e88e07900cf8ec91def7485005953e1accfd54e681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a172968dea4c012764b4e88e07900cf8ec91def7485005953e1accfd54e681", kill_on_drop: false }`
[INFO] [stdout] 58a172968dea4c012764b4e88e07900cf8ec91def7485005953e1accfd54e681