[INFO] fetching crate letter-avatar 1.3.0...
[INFO] checking letter-avatar-1.3.0 against beta for pr-78714
[INFO] extracting crate letter-avatar 1.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate letter-avatar 1.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate letter-avatar 1.3.0
[INFO] finished tweaking crates.io crate letter-avatar 1.3.0
[INFO] tweaked toml for crates.io crate letter-avatar 1.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffe90d80e762ab69410fddc9a6d552990a30aeabd0223bcb5fb9a34c061e37d7
[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" "ffe90d80e762ab69410fddc9a6d552990a30aeabd0223bcb5fb9a34c061e37d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe90d80e762ab69410fddc9a6d552990a30aeabd0223bcb5fb9a34c061e37d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe90d80e762ab69410fddc9a6d552990a30aeabd0223bcb5fb9a34c061e37d7", kill_on_drop: false }`
[INFO] [stdout] ffe90d80e762ab69410fddc9a6d552990a30aeabd0223bcb5fb9a34c061e37d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 82e6c1b7c7d34deb857512f715698e2d222dd1c1d8acdf21f12504d251d6cde0
[INFO] running `Command { std: "docker" "start" "-a" "82e6c1b7c7d34deb857512f715698e2d222dd1c1d8acdf21f12504d251d6cde0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling pangocairo v0.10.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pangocairo-sys v0.11.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking glib v0.10.3
[INFO] [stderr]     Checking letter-avatar v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "82e6c1b7c7d34deb857512f715698e2d222dd1c1d8acdf21f12504d251d6cde0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e6c1b7c7d34deb857512f715698e2d222dd1c1d8acdf21f12504d251d6cde0", kill_on_drop: false }`
[INFO] [stdout] 82e6c1b7c7d34deb857512f715698e2d222dd1c1d8acdf21f12504d251d6cde0