[INFO] fetching crate solana_rbpf 0.1.31...
[INFO] checking solana_rbpf-0.1.31 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate solana_rbpf 0.1.31 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate solana_rbpf 0.1.31 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana_rbpf 0.1.31
[INFO] finished tweaking crates.io crate solana_rbpf 0.1.31
[INFO] tweaked toml for crates.io crate solana_rbpf 0.1.31 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate solana_rbpf 0.1.31 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded hash32 v0.1.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded elf v0.0.10
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded goblin v0.2.3
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] [stderr]   Downloaded thiserror v1.0.13
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] df1df59aec7404d28393be8d3be44438ec2dd6da75da286f98dc2769f8290aee
[INFO] running `Command { std: "docker" "start" "-a" "df1df59aec7404d28393be8d3be44438ec2dd6da75da286f98dc2769f8290aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1df59aec7404d28393be8d3be44438ec2dd6da75da286f98dc2769f8290aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1df59aec7404d28393be8d3be44438ec2dd6da75da286f98dc2769f8290aee", kill_on_drop: false }`
[INFO] [stdout] df1df59aec7404d28393be8d3be44438ec2dd6da75da286f98dc2769f8290aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 87a584901bd7f628ccbf7b384691f752533e4120cc70ded451f8e318afb5bbc1
[INFO] running `Command { std: "docker" "start" "-a" "87a584901bd7f628ccbf7b384691f752533e4120cc70ded451f8e318afb5bbc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.13
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.13
[INFO] [stderr]     Checking solana_rbpf v0.1.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.41s
[INFO] running `Command { std: "docker" "inspect" "87a584901bd7f628ccbf7b384691f752533e4120cc70ded451f8e318afb5bbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a584901bd7f628ccbf7b384691f752533e4120cc70ded451f8e318afb5bbc1", kill_on_drop: false }`
[INFO] [stdout] 87a584901bd7f628ccbf7b384691f752533e4120cc70ded451f8e318afb5bbc1