[INFO] fetching crate env-test-util 1.0.1...
[INFO] testing env-test-util-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate env-test-util 1.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate env-test-util 1.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env-test-util 1.0.1
[INFO] finished tweaking crates.io crate env-test-util 1.0.1
[INFO] tweaked toml for crates.io crate env-test-util 1.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d890f6ef4b892ca0e3bcff9ebe8083016adb901eb3a0876cf6b1906d02b4b4ad
[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" "d890f6ef4b892ca0e3bcff9ebe8083016adb901eb3a0876cf6b1906d02b4b4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d890f6ef4b892ca0e3bcff9ebe8083016adb901eb3a0876cf6b1906d02b4b4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d890f6ef4b892ca0e3bcff9ebe8083016adb901eb3a0876cf6b1906d02b4b4ad", kill_on_drop: false }`
[INFO] [stdout] d890f6ef4b892ca0e3bcff9ebe8083016adb901eb3a0876cf6b1906d02b4b4ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f75ae20d2ee44298166fcacb7711c25a017306b13d19f9540f3ebc14d77c4a7
[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" "0f75ae20d2ee44298166fcacb7711c25a017306b13d19f9540f3ebc14d77c4a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-test-util v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "0f75ae20d2ee44298166fcacb7711c25a017306b13d19f9540f3ebc14d77c4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f75ae20d2ee44298166fcacb7711c25a017306b13d19f9540f3ebc14d77c4a7", kill_on_drop: false }`
[INFO] [stdout] 0f75ae20d2ee44298166fcacb7711c25a017306b13d19f9540f3ebc14d77c4a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb856453d31f7bc4fb40de91a39a99970db2d9d5aa5e365630266aa729171f5a
[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" "eb856453d31f7bc4fb40de91a39a99970db2d9d5aa5e365630266aa729171f5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-test-util v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "eb856453d31f7bc4fb40de91a39a99970db2d9d5aa5e365630266aa729171f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb856453d31f7bc4fb40de91a39a99970db2d9d5aa5e365630266aa729171f5a", kill_on_drop: false }`
[INFO] [stdout] eb856453d31f7bc4fb40de91a39a99970db2d9d5aa5e365630266aa729171f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a682e47ca4dc405c152a48beb37ac0292919a5d0a8fec161d8cbd3d4fb7c9526
[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" "a682e47ca4dc405c152a48beb37ac0292919a5d0a8fec161d8cbd3d4fb7c9526", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/env_test_util-d7a6cc963808a9e4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::with_non_existing_variable ... ok
[INFO] [stdout] test tests::with_existing_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests env-test-util
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - TempEnvVar (line 23) ... ok
[INFO] [stdout] test src/lib.rs - TempEnvVar (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a682e47ca4dc405c152a48beb37ac0292919a5d0a8fec161d8cbd3d4fb7c9526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a682e47ca4dc405c152a48beb37ac0292919a5d0a8fec161d8cbd3d4fb7c9526", kill_on_drop: false }`
[INFO] [stdout] a682e47ca4dc405c152a48beb37ac0292919a5d0a8fec161d8cbd3d4fb7c9526