[INFO] fetching crate common-multipart-rfc7578 0.2.0-rc...
[INFO] checking common-multipart-rfc7578-0.2.0-rc against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate common-multipart-rfc7578 0.2.0-rc into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate common-multipart-rfc7578 0.2.0-rc on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate common-multipart-rfc7578 0.2.0-rc
[INFO] finished tweaking crates.io crate common-multipart-rfc7578 0.2.0-rc
[INFO] tweaked toml for crates.io crate common-multipart-rfc7578 0.2.0-rc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7185d13273d3a12f9f7e64b3e686e5c4b1317deef9f391d080c937f00b31be00
[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" "7185d13273d3a12f9f7e64b3e686e5c4b1317deef9f391d080c937f00b31be00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7185d13273d3a12f9f7e64b3e686e5c4b1317deef9f391d080c937f00b31be00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7185d13273d3a12f9f7e64b3e686e5c4b1317deef9f391d080c937f00b31be00", kill_on_drop: false }`
[INFO] [stdout] 7185d13273d3a12f9f7e64b3e686e5c4b1317deef9f391d080c937f00b31be00
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 255d8fcb2bd5c09cf2e9cb9055faab595bdd116c8239c1d6fb92bdff9421aad7
[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" "255d8fcb2bd5c09cf2e9cb9055faab595bdd116c8239c1d6fb92bdff9421aad7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking common-multipart-rfc7578 v0.2.0-rc (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.21s
[INFO] running `Command { std: "docker" "inspect" "255d8fcb2bd5c09cf2e9cb9055faab595bdd116c8239c1d6fb92bdff9421aad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255d8fcb2bd5c09cf2e9cb9055faab595bdd116c8239c1d6fb92bdff9421aad7", kill_on_drop: false }`
[INFO] [stdout] 255d8fcb2bd5c09cf2e9cb9055faab595bdd116c8239c1d6fb92bdff9421aad7