[INFO] fetching crate provider 0.8.8...
[INFO] checking provider-0.8.8 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate provider 0.8.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate provider 0.8.8 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate provider 0.8.8
[INFO] finished tweaking crates.io crate provider 0.8.8
[INFO] tweaked toml for crates.io crate provider 0.8.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flow_impl v0.8.5
[INFO] [stderr]   Downloaded simpath v1.3.1
[INFO] [stderr]   Downloaded flowrlib v0.8.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] bf7e71321d79f49b9b51c6aa07d48e039f106d93ba850f4bceac063e6d3be8f5
[INFO] running `Command { std: "docker" "start" "-a" "bf7e71321d79f49b9b51c6aa07d48e039f106d93ba850f4bceac063e6d3be8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf7e71321d79f49b9b51c6aa07d48e039f106d93ba850f4bceac063e6d3be8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7e71321d79f49b9b51c6aa07d48e039f106d93ba850f4bceac063e6d3be8f5", kill_on_drop: false }`
[INFO] [stdout] bf7e71321d79f49b9b51c6aa07d48e039f106d93ba850f4bceac063e6d3be8f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09a4b1425fa72ff4c61ce8960aaadfa15501784f2a12a3ed2aaa1965f33dbd47
[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" "09a4b1425fa72ff4c61ce8960aaadfa15501784f2a12a3ed2aaa1965f33dbd47", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking simpath v1.3.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking flowrlib v0.8.8
[INFO] [stderr]     Checking provider v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "09a4b1425fa72ff4c61ce8960aaadfa15501784f2a12a3ed2aaa1965f33dbd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a4b1425fa72ff4c61ce8960aaadfa15501784f2a12a3ed2aaa1965f33dbd47", kill_on_drop: false }`
[INFO] [stdout] 09a4b1425fa72ff4c61ce8960aaadfa15501784f2a12a3ed2aaa1965f33dbd47