[INFO] fetching crate cpp_std 0.1.1...
[INFO] checking cpp_std-0.1.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate cpp_std 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cpp_std 0.1.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpp_std 0.1.1
[INFO] finished tweaking crates.io crate cpp_std 0.1.1
[INFO] tweaked toml for crates.io crate cpp_std 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67bfb6b7ca9a493be1787832a61cb6639658cf1041d7822f3f6623979b8920e9
[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" "67bfb6b7ca9a493be1787832a61cb6639658cf1041d7822f3f6623979b8920e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67bfb6b7ca9a493be1787832a61cb6639658cf1041d7822f3f6623979b8920e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67bfb6b7ca9a493be1787832a61cb6639658cf1041d7822f3f6623979b8920e9", kill_on_drop: false }`
[INFO] [stdout] 67bfb6b7ca9a493be1787832a61cb6639658cf1041d7822f3f6623979b8920e9
[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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88855f123d6d66d4a5d1a310f4a31a6801d2cb2f1fb53a9ec63f4bf7ba64e2a0
[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" "88855f123d6d66d4a5d1a310f4a31a6801d2cb2f1fb53a9ec63f4bf7ba64e2a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cpp_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bincode v1.3.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling ritual_common v0.3.0
[INFO] [stderr]    Compiling ritual_build v0.3.0
[INFO] [stderr]    Compiling cpp_std v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.90s
[INFO] running `Command { std: "docker" "inspect" "88855f123d6d66d4a5d1a310f4a31a6801d2cb2f1fb53a9ec63f4bf7ba64e2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88855f123d6d66d4a5d1a310f4a31a6801d2cb2f1fb53a9ec63f4bf7ba64e2a0", kill_on_drop: false }`
[INFO] [stdout] 88855f123d6d66d4a5d1a310f4a31a6801d2cb2f1fb53a9ec63f4bf7ba64e2a0