[INFO] fetching crate troppydash_grrs 0.1.0...
[INFO] checking troppydash_grrs-0.1.0 against beta for pr-78714
[INFO] extracting crate troppydash_grrs 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate troppydash_grrs 0.1.0 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 troppydash_grrs 0.1.0
[INFO] finished tweaking crates.io crate troppydash_grrs 0.1.0
[INFO] tweaked toml for crates.io crate troppydash_grrs 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate troppydash_grrs 0.1.0 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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc5df1859900e656581a1f530d7ae412008733345bcc0b3620601aa9d11901b4
[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" "dc5df1859900e656581a1f530d7ae412008733345bcc0b3620601aa9d11901b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc5df1859900e656581a1f530d7ae412008733345bcc0b3620601aa9d11901b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5df1859900e656581a1f530d7ae412008733345bcc0b3620601aa9d11901b4", kill_on_drop: false }`
[INFO] [stdout] dc5df1859900e656581a1f530d7ae412008733345bcc0b3620601aa9d11901b4
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/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] c7a6a14881d829ca2918aea689cdc74564ceb3fba25d51aa6b60c326d4f75570
[INFO] running `Command { std: "docker" "start" "-a" "c7a6a14881d829ca2918aea689cdc74564ceb3fba25d51aa6b60c326d4f75570", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking troppydash_grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> tests/cli.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.52s
[INFO] running `Command { std: "docker" "inspect" "c7a6a14881d829ca2918aea689cdc74564ceb3fba25d51aa6b60c326d4f75570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a6a14881d829ca2918aea689cdc74564ceb3fba25d51aa6b60c326d4f75570", kill_on_drop: false }`
[INFO] [stdout] c7a6a14881d829ca2918aea689cdc74564ceb3fba25d51aa6b60c326d4f75570