[INFO] fetching crate profiler-get-symbols 0.1.0...
[INFO] checking profiler-get-symbols-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate profiler-get-symbols 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate profiler-get-symbols 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate profiler-get-symbols 0.1.0
[INFO] finished tweaking crates.io crate profiler-get-symbols 0.1.0
[INFO] tweaked toml for crates.io crate profiler-get-symbols 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cf4cfd672bb2e8b1d94771c43e2547a12dbb8bb3a8b199f68531d850efdf5b0
[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" "6cf4cfd672bb2e8b1d94771c43e2547a12dbb8bb3a8b199f68531d850efdf5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf4cfd672bb2e8b1d94771c43e2547a12dbb8bb3a8b199f68531d850efdf5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf4cfd672bb2e8b1d94771c43e2547a12dbb8bb3a8b199f68531d850efdf5b0", kill_on_drop: false }`
[INFO] [stdout] 6cf4cfd672bb2e8b1d94771c43e2547a12dbb8bb3a8b199f68531d850efdf5b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3406cf1b3d4823bb9d7a57608a7fdedf5ad6d0d1aea82e030ab9d3eeff80f9ba
[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" "3406cf1b3d4823bb9d7a57608a7fdedf5ad6d0d1aea82e030ab9d3eeff80f9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling cpp_demangle v0.2.16
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking miniz_oxide v0.4.3
[INFO] [stderr]     Checking msvc-demangler v0.8.0
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking pdb v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking goblin v0.0.17
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking profiler-get-symbols v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "3406cf1b3d4823bb9d7a57608a7fdedf5ad6d0d1aea82e030ab9d3eeff80f9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3406cf1b3d4823bb9d7a57608a7fdedf5ad6d0d1aea82e030ab9d3eeff80f9ba", kill_on_drop: false }`
[INFO] [stdout] 3406cf1b3d4823bb9d7a57608a7fdedf5ad6d0d1aea82e030ab9d3eeff80f9ba