[INFO] fetching crate todo_lib 0.5.1...
[INFO] checking todo_lib-0.5.1 against beta for pr-78714
[INFO] extracting crate todo_lib 0.5.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate todo_lib 0.5.1 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 crates.io crate todo_lib 0.5.1
[INFO] finished tweaking crates.io crate todo_lib 0.5.1
[INFO] tweaked toml for crates.io crate todo_lib 0.5.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+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] 5f99fb8cfacb4e18256c5a5f5ed949843acc1291f4738c0e4ce861cd9d2e18c2
[INFO] running `Command { std: "docker" "start" "-a" "5f99fb8cfacb4e18256c5a5f5ed949843acc1291f4738c0e4ce861cd9d2e18c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f99fb8cfacb4e18256c5a5f5ed949843acc1291f4738c0e4ce861cd9d2e18c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f99fb8cfacb4e18256c5a5f5ed949843acc1291f4738c0e4ce861cd9d2e18c2", kill_on_drop: false }`
[INFO] [stdout] 5f99fb8cfacb4e18256c5a5f5ed949843acc1291f4738c0e4ce861cd9d2e18c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta" "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] e12ae705a6e32d3f00af5ba917af720a886b3bf087e16479e7d908ce5ce569da
[INFO] running `Command { std: "docker" "start" "-a" "e12ae705a6e32d3f00af5ba917af720a886b3bf087e16479e7d908ce5ce569da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking todo-txt v2.0.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking todo_lib v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.60s
[INFO] running `Command { std: "docker" "inspect" "e12ae705a6e32d3f00af5ba917af720a886b3bf087e16479e7d908ce5ce569da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12ae705a6e32d3f00af5ba917af720a886b3bf087e16479e7d908ce5ce569da", kill_on_drop: false }`
[INFO] [stdout] e12ae705a6e32d3f00af5ba917af720a886b3bf087e16479e7d908ce5ce569da