[INFO] fetching crate dntk 2.2.1...
[INFO] checking dntk-2.2.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate dntk 2.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dntk 2.2.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dntk 2.2.1
[INFO] finished tweaking crates.io crate dntk 2.2.1
[INFO] tweaked toml for crates.io crate dntk 2.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49cec54997924b146ce863d6b8895e02e10b7ccf35e31d8d2e798d4acc622b0c
[INFO] running `Command { std: "docker" "start" "-a" "49cec54997924b146ce863d6b8895e02e10b7ccf35e31d8d2e798d4acc622b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49cec54997924b146ce863d6b8895e02e10b7ccf35e31d8d2e798d4acc622b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49cec54997924b146ce863d6b8895e02e10b7ccf35e31d8d2e798d4acc622b0c", kill_on_drop: false }`
[INFO] [stdout] 49cec54997924b146ce863d6b8895e02e10b7ccf35e31d8d2e798d4acc622b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a94b07c6571b9241a71a03e31d1fe4c0990a838edd2b1e1fe1963f58053dcf0
[INFO] running `Command { std: "docker" "start" "-a" "7a94b07c6571b9241a71a03e31d1fe4c0990a838edd2b1e1fe1963f58053dcf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking subprocess v0.1.20
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking dntk v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `LINUX_TERM_LIB` not defined
[INFO] [stdout]  --> src/term/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | include!(env!("LINUX_TERM_LIB"));
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `LINUX_TERM_LIB` not defined
[INFO] [stdout]  --> src/term/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | include!(env!("LINUX_TERM_LIB"));
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (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 `dntk` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7a94b07c6571b9241a71a03e31d1fe4c0990a838edd2b1e1fe1963f58053dcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a94b07c6571b9241a71a03e31d1fe4c0990a838edd2b1e1fe1963f58053dcf0", kill_on_drop: false }`
[INFO] [stdout] 7a94b07c6571b9241a71a03e31d1fe4c0990a838edd2b1e1fe1963f58053dcf0