[INFO] fetching crate tox 0.1.1...
[INFO] checking tox-0.1.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate tox 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tox 0.1.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tox 0.1.1
[INFO] finished tweaking crates.io crate tox 0.1.1
[INFO] tweaked toml for crates.io crate tox 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0be6c80e7cb64bbd43acba259dd14a5261d22c2505804def0166b2b60af1f821
[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" "0be6c80e7cb64bbd43acba259dd14a5261d22c2505804def0166b2b60af1f821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be6c80e7cb64bbd43acba259dd14a5261d22c2505804def0166b2b60af1f821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be6c80e7cb64bbd43acba259dd14a5261d22c2505804def0166b2b60af1f821", kill_on_drop: false }`
[INFO] [stdout] 0be6c80e7cb64bbd43acba259dd14a5261d22c2505804def0166b2b60af1f821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8058c3de98fafb0c42fc798869b15d7bfcf27a08233b3131fb822aa94c6e8dc7
[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" "8058c3de98fafb0c42fc798869b15d7bfcf27a08233b3131fb822aa94c6e8dc7", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cookie-factory v0.3.2
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]     Checking tox_crypto v0.1.1
[INFO] [stderr]     Checking tox_binary_io v0.1.1
[INFO] [stderr]     Checking tox_encryptsave v0.1.0
[INFO] [stderr]     Checking tox_packet v0.1.1
[INFO] [stderr]     Checking tox_core v0.1.1
[INFO] [stderr]     Checking tox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 16s
[INFO] running `Command { std: "docker" "inspect" "8058c3de98fafb0c42fc798869b15d7bfcf27a08233b3131fb822aa94c6e8dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8058c3de98fafb0c42fc798869b15d7bfcf27a08233b3131fb822aa94c6e8dc7", kill_on_drop: false }`
[INFO] [stdout] 8058c3de98fafb0c42fc798869b15d7bfcf27a08233b3131fb822aa94c6e8dc7