[INFO] fetching crate iter-trait 0.3.1...
[INFO] testing iter-trait-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate iter-trait 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iter-trait 0.3.1 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 iter-trait 0.3.1
[INFO] finished tweaking crates.io crate iter-trait 0.3.1
[INFO] tweaked toml for crates.io crate iter-trait 0.3.1 written to /workspace/builds/worker-5/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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 974f74fa5e070e9ade54173bca4254675bb1a76fe526f54ce38ee54b79661e09
[INFO] running `Command { std: "docker" "start" "-a" "974f74fa5e070e9ade54173bca4254675bb1a76fe526f54ce38ee54b79661e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974f74fa5e070e9ade54173bca4254675bb1a76fe526f54ce38ee54b79661e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974f74fa5e070e9ade54173bca4254675bb1a76fe526f54ce38ee54b79661e09", kill_on_drop: false }`
[INFO] [stdout] 974f74fa5e070e9ade54173bca4254675bb1a76fe526f54ce38ee54b79661e09
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 818966ddb88105ca6ed6482d2bd9f3537e9e31fda7a5778cacaaa3c99b3c3972
[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" "818966ddb88105ca6ed6482d2bd9f3537e9e31fda7a5778cacaaa3c99b3c3972", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-trait v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "818966ddb88105ca6ed6482d2bd9f3537e9e31fda7a5778cacaaa3c99b3c3972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818966ddb88105ca6ed6482d2bd9f3537e9e31fda7a5778cacaaa3c99b3c3972", kill_on_drop: false }`
[INFO] [stdout] 818966ddb88105ca6ed6482d2bd9f3537e9e31fda7a5778cacaaa3c99b3c3972
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 892198b5e7ca88dcec5657698735fe957bf683c456520b47cd6d2a5c66931963
[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" "892198b5e7ca88dcec5657698735fe957bf683c456520b47cd6d2a5c66931963", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-trait v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "892198b5e7ca88dcec5657698735fe957bf683c456520b47cd6d2a5c66931963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892198b5e7ca88dcec5657698735fe957bf683c456520b47cd6d2a5c66931963", kill_on_drop: false }`
[INFO] [stdout] 892198b5e7ca88dcec5657698735fe957bf683c456520b47cd6d2a5c66931963
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 314bbff541e2570856f1b052106f3e508a3f46aeffa4ab877988fdeaacf59563
[INFO] running `Command { std: "docker" "start" "-a" "314bbff541e2570856f1b052106f3e508a3f46aeffa4ab877988fdeaacf59563", 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/iter_trait-d2dc3b3236c3354a
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests iter-trait
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "314bbff541e2570856f1b052106f3e508a3f46aeffa4ab877988fdeaacf59563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314bbff541e2570856f1b052106f3e508a3f46aeffa4ab877988fdeaacf59563", kill_on_drop: false }`
[INFO] [stdout] 314bbff541e2570856f1b052106f3e508a3f46aeffa4ab877988fdeaacf59563