[INFO] cloning repository https://github.com/Sibicle/euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sibicle/euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSibicle%2Feuler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSibicle%2Feuler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50952a6dde3d21de39b02c7d53b98cc5522c714c
[INFO] checking Sibicle/euler-rust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSibicle%2Feuler-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sibicle/euler-rust on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sibicle/euler-rust
[INFO] finished tweaking git repo https://github.com/Sibicle/euler-rust
[INFO] tweaked toml for git repo https://github.com/Sibicle/euler-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Sibicle/euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded elapsed v0.1.2
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded num v0.3.0
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 131b9436ce7aaf52fd7c1fbc23d201bf6719e7f01f79eebac27cd5b6ce7bab6e
[INFO] running `Command { std: "docker" "start" "-a" "131b9436ce7aaf52fd7c1fbc23d201bf6719e7f01f79eebac27cd5b6ce7bab6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "131b9436ce7aaf52fd7c1fbc23d201bf6719e7f01f79eebac27cd5b6ce7bab6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131b9436ce7aaf52fd7c1fbc23d201bf6719e7f01f79eebac27cd5b6ce7bab6e", kill_on_drop: false }`
[INFO] [stdout] 131b9436ce7aaf52fd7c1fbc23d201bf6719e7f01f79eebac27cd5b6ce7bab6e
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba20f4b6ccceae7b3daecd4cde66749756de9ea76ea3595f845410a828b117a1
[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" "ba20f4b6ccceae7b3daecd4cde66749756de9ea76ea3595f845410a828b117a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking num-bigint v0.3.0
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking euler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.83s
[INFO] running `Command { std: "docker" "inspect" "ba20f4b6ccceae7b3daecd4cde66749756de9ea76ea3595f845410a828b117a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba20f4b6ccceae7b3daecd4cde66749756de9ea76ea3595f845410a828b117a1", kill_on_drop: false }`
[INFO] [stdout] ba20f4b6ccceae7b3daecd4cde66749756de9ea76ea3595f845410a828b117a1