[INFO] fetching crate synterm 0.3.1...
[INFO] checking synterm-0.3.1 against beta for pr-78714
[INFO] extracting crate synterm 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate synterm 0.3.1 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 synterm 0.3.1
[INFO] finished tweaking crates.io crate synterm 0.3.1
[INFO] tweaked toml for crates.io crate synterm 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate synterm 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1940ee4b3634da2536e6756acd22b8706c31fbbd4a7f3826537d4cb43c08f737
[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" "1940ee4b3634da2536e6756acd22b8706c31fbbd4a7f3826537d4cb43c08f737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1940ee4b3634da2536e6756acd22b8706c31fbbd4a7f3826537d4cb43c08f737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1940ee4b3634da2536e6756acd22b8706c31fbbd4a7f3826537d4cb43c08f737", kill_on_drop: false }`
[INFO] [stdout] 1940ee4b3634da2536e6756acd22b8706c31fbbd4a7f3826537d4cb43c08f737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 6d93006889f68f022f3703e47c58bbce34365ea0b57142fc05f97e7b170e45b6
[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" "6d93006889f68f022f3703e47c58bbce34365ea0b57142fc05f97e7b170e45b6", kill_on_drop: false }`
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]    Compiling logos-derive v0.9.7
[INFO] [stderr]     Checking logos v0.9.7
[INFO] [stderr]     Checking synterm v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.92s
[INFO] running `Command { std: "docker" "inspect" "6d93006889f68f022f3703e47c58bbce34365ea0b57142fc05f97e7b170e45b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d93006889f68f022f3703e47c58bbce34365ea0b57142fc05f97e7b170e45b6", kill_on_drop: false }`
[INFO] [stdout] 6d93006889f68f022f3703e47c58bbce34365ea0b57142fc05f97e7b170e45b6