[INFO] fetching crate tether 0.3.5...
[INFO] checking tether-0.3.5 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate tether 0.3.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tether 0.3.5 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 tether 0.3.5
[INFO] finished tweaking crates.io crate tether 0.3.5
[INFO] tweaked toml for crates.io crate tether 0.3.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate tether 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 940fc44c8ca854a608eb238ad25c189111d3c316d44f2deb439887a53119e029
[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" "940fc44c8ca854a608eb238ad25c189111d3c316d44f2deb439887a53119e029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "940fc44c8ca854a608eb238ad25c189111d3c316d44f2deb439887a53119e029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940fc44c8ca854a608eb238ad25c189111d3c316d44f2deb439887a53119e029", kill_on_drop: false }`
[INFO] [stdout] 940fc44c8ca854a608eb238ad25c189111d3c316d44f2deb439887a53119e029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d2ead4690bafbeda07db55781249862b59a40e76d097d5e8e71418b66ecb72bb
[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" "d2ead4690bafbeda07db55781249862b59a40e76d097d5e8e71418b66ecb72bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bindgen v0.49.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling tether v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: gtk.c: In function 'context_menu':
[INFO] [stderr] warning: gtk.c:63:9: warning: enumeration value 'WEBKIT_CONTEXT_MENU_ACTION_INSERT_EMOJI' not handled in switch [-Wswitch]
[INFO] [stderr] warning:    63 |         switch (webkit_context_menu_item_get_stock_action(item)) {
[INFO] [stderr] warning:       |         ^~~~~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "d2ead4690bafbeda07db55781249862b59a40e76d097d5e8e71418b66ecb72bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ead4690bafbeda07db55781249862b59a40e76d097d5e8e71418b66ecb72bb", kill_on_drop: false }`
[INFO] [stdout] d2ead4690bafbeda07db55781249862b59a40e76d097d5e8e71418b66ecb72bb