[INFO] fetching crate jlib 0.3.7...
[INFO] checking jlib-0.3.7 against beta for pr-78714
[INFO] extracting crate jlib 0.3.7 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate jlib 0.3.7 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 jlib 0.3.7
[INFO] finished tweaking crates.io crate jlib 0.3.7
[INFO] tweaked toml for crates.io crate jlib 0.3.7 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate jlib 0.3.7 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a3fa8b9e3e0f76ac68698915c40b4a870c03c0413671ea9b1fcd797def3132ac
[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" "a3fa8b9e3e0f76ac68698915c40b4a870c03c0413671ea9b1fcd797def3132ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3fa8b9e3e0f76ac68698915c40b4a870c03c0413671ea9b1fcd797def3132ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fa8b9e3e0f76ac68698915c40b4a870c03c0413671ea9b1fcd797def3132ac", kill_on_drop: false }`
[INFO] [stdout] a3fa8b9e3e0f76ac68698915c40b4a870c03c0413671ea9b1fcd797def3132ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cceb94b531e55e10cc5aea27b1cd717cd34d88e5d0ec02b0ebe99f93560c01ce
[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" "cceb94b531e55e10cc5aea27b1cd717cd34d88e5d0ec02b0ebe99f93560c01ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking slice-cast v0.1.2
[INFO] [stderr]     Checking basex-rs v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cast-rs v0.2.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling typename_derive v0.1.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling secp256k1 v0.13.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking typename v0.1.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking ed25519-dalek v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking ws v0.8.1
[INFO] [stderr]     Checking jlib v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.76s
[INFO] running `Command { std: "docker" "inspect" "cceb94b531e55e10cc5aea27b1cd717cd34d88e5d0ec02b0ebe99f93560c01ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cceb94b531e55e10cc5aea27b1cd717cd34d88e5d0ec02b0ebe99f93560c01ce", kill_on_drop: false }`
[INFO] [stdout] cceb94b531e55e10cc5aea27b1cd717cd34d88e5d0ec02b0ebe99f93560c01ce