[INFO] fetching crate ktool 0.1.0...
[INFO] testing ktool-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ktool 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ktool 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ktool 0.1.0
[INFO] finished tweaking crates.io crate ktool 0.1.0
[INFO] tweaked toml for crates.io crate ktool 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ktool 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-cipher-trait v0.6.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.54
[INFO] [stderr]   Downloaded schannel v0.1.17
[INFO] [stderr]   Downloaded block-modes v0.3.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded json v0.12.1
[INFO] [stderr]   Downloaded des v0.3.0
[INFO] [stderr]   Downloaded backtrace v0.3.44
[INFO] [stderr]   Downloaded curl v0.4.26
[INFO] [stderr]   Downloaded curl-sys v0.4.27
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded shell_command v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94c21e5b017e0c15bd3b175728393cad0f3970900843b476b8fe6d769228fe5f
[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" "94c21e5b017e0c15bd3b175728393cad0f3970900843b476b8fe6d769228fe5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c21e5b017e0c15bd3b175728393cad0f3970900843b476b8fe6d769228fe5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c21e5b017e0c15bd3b175728393cad0f3970900843b476b8fe6d769228fe5f", kill_on_drop: false }`
[INFO] [stdout] 94c21e5b017e0c15bd3b175728393cad0f3970900843b476b8fe6d769228fe5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 674ada4612713993f53b39932febc1e21713f8ff93364c10e9549ca17063fb50
[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" "674ada4612713993f53b39932febc1e21713f8ff93364c10e9549ca17063fb50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling curl v0.4.26
[INFO] [stderr]    Compiling json v0.12.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.27
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling des v0.3.0
[INFO] [stderr]    Compiling block-modes v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling shell_command v0.1.0
[INFO] [stderr]    Compiling ktool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `GLIVE_EXEC` not defined
[INFO] [stdout]   --> src/request.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     run_shell_command(env!("GLIVE_EXEC")).unwrap()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ktool`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "674ada4612713993f53b39932febc1e21713f8ff93364c10e9549ca17063fb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674ada4612713993f53b39932febc1e21713f8ff93364c10e9549ca17063fb50", kill_on_drop: false }`
[INFO] [stdout] 674ada4612713993f53b39932febc1e21713f8ff93364c10e9549ca17063fb50