[INFO] fetching crate gstreamer 0.17.2...
[INFO] checking gstreamer-0.17.2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate gstreamer 0.17.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gstreamer 0.17.2 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gstreamer 0.17.2
[INFO] finished tweaking crates.io crate gstreamer 0.17.2
[INFO] tweaked toml for crates.io crate gstreamer 0.17.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] 95842424e390f998f7a853cf46752f17b978df158a0140966f0baafad609d828
[INFO] running `Command { std: "docker" "start" "-a" "95842424e390f998f7a853cf46752f17b978df158a0140966f0baafad609d828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95842424e390f998f7a853cf46752f17b978df158a0140966f0baafad609d828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95842424e390f998f7a853cf46752f17b978df158a0140966f0baafad609d828", kill_on_drop: false }`
[INFO] [stdout] 95842424e390f998f7a853cf46752f17b978df158a0140966f0baafad609d828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37637a0d2024feb19b74e12e1b570226af9ec4d8ab07abcba25ff6a93c2d9bf1
[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" "37637a0d2024feb19b74e12e1b570226af9ec4d8ab07abcba25ff6a93c2d9bf1", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   serde v1.0.128 (as host dependency): serde_derive
[INFO] [stderr] 
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling system-deps v3.2.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling gstreamer-sys v0.17.3
[INFO] [stderr]     Checking glib v0.14.3
[INFO] [stderr]     Checking gstreamer v0.17.2 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/structure.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking gstreamer v0.17.2 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.26s
[INFO] running `Command { std: "docker" "inspect" "37637a0d2024feb19b74e12e1b570226af9ec4d8ab07abcba25ff6a93c2d9bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37637a0d2024feb19b74e12e1b570226af9ec4d8ab07abcba25ff6a93c2d9bf1", kill_on_drop: false }`
[INFO] [stdout] 37637a0d2024feb19b74e12e1b570226af9ec4d8ab07abcba25ff6a93c2d9bf1