[INFO] fetching crate rustc-simple-version 0.1.0...
[INFO] testing rustc-simple-version-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rustc-simple-version 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustc-simple-version 0.1.0 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 rustc-simple-version 0.1.0
[INFO] finished tweaking crates.io crate rustc-simple-version 0.1.0
[INFO] tweaked toml for crates.io crate rustc-simple-version 0.1.0 written to /workspace/builds/worker-8/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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e2c700f993af88f847e49c1d52ea194d1b99b5259b96a780678646d7d80b9af
[INFO] running `Command { std: "docker" "start" "-a" "5e2c700f993af88f847e49c1d52ea194d1b99b5259b96a780678646d7d80b9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e2c700f993af88f847e49c1d52ea194d1b99b5259b96a780678646d7d80b9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2c700f993af88f847e49c1d52ea194d1b99b5259b96a780678646d7d80b9af", kill_on_drop: false }`
[INFO] [stdout] 5e2c700f993af88f847e49c1d52ea194d1b99b5259b96a780678646d7d80b9af
[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=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] 464fa56ed5edc3de3df4164596c4ac966baf2c80dca8caf88c732f8ab6d83651
[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" "464fa56ed5edc3de3df4164596c4ac966baf2c80dca8caf88c732f8ab6d83651", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-simple-version v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "464fa56ed5edc3de3df4164596c4ac966baf2c80dca8caf88c732f8ab6d83651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464fa56ed5edc3de3df4164596c4ac966baf2c80dca8caf88c732f8ab6d83651", kill_on_drop: false }`
[INFO] [stdout] 464fa56ed5edc3de3df4164596c4ac966baf2c80dca8caf88c732f8ab6d83651
[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=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] d1388a45dbf25c0a5b549af23b40194c11454f15288b5ee1902f836ae416df8b
[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" "d1388a45dbf25c0a5b549af23b40194c11454f15288b5ee1902f836ae416df8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-simple-version v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "d1388a45dbf25c0a5b549af23b40194c11454f15288b5ee1902f836ae416df8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1388a45dbf25c0a5b549af23b40194c11454f15288b5ee1902f836ae416df8b", kill_on_drop: false }`
[INFO] [stdout] d1388a45dbf25c0a5b549af23b40194c11454f15288b5ee1902f836ae416df8b
[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=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] 716e2ff7bfff39787c56d0605a72fc71bb9514ac9d597415ab7ed10f992fe580
[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" "716e2ff7bfff39787c56d0605a72fc71bb9514ac9d597415ab7ed10f992fe580", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustc_simple_version-9dd058bd6e7fec58
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rustc-simple-version
[INFO] [stdout] test tests::test_rustc_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - RUSTC_VERSION (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... 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" "716e2ff7bfff39787c56d0605a72fc71bb9514ac9d597415ab7ed10f992fe580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716e2ff7bfff39787c56d0605a72fc71bb9514ac9d597415ab7ed10f992fe580", kill_on_drop: false }`
[INFO] [stdout] 716e2ff7bfff39787c56d0605a72fc71bb9514ac9d597415ab7ed10f992fe580