[INFO] fetching crate string_template 0.2.1...
[INFO] testing string_template-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate string_template 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate string_template 0.2.1 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 string_template 0.2.1
[INFO] finished tweaking crates.io crate string_template 0.2.1
[INFO] tweaked toml for crates.io crate string_template 0.2.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2fee3d602c3ff78d3d45c2d35108cf401fe47357b4766c203fca71bac64bef91
[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" "2fee3d602c3ff78d3d45c2d35108cf401fe47357b4766c203fca71bac64bef91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fee3d602c3ff78d3d45c2d35108cf401fe47357b4766c203fca71bac64bef91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fee3d602c3ff78d3d45c2d35108cf401fe47357b4766c203fca71bac64bef91", kill_on_drop: false }`
[INFO] [stdout] 2fee3d602c3ff78d3d45c2d35108cf401fe47357b4766c203fca71bac64bef91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7c3829713e8108f5eb461ddcb6489a29184fb7bcd753a87d2d07d150a41a0625
[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" "7c3829713e8108f5eb461ddcb6489a29184fb7bcd753a87d2d07d150a41a0625", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_template v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "7c3829713e8108f5eb461ddcb6489a29184fb7bcd753a87d2d07d150a41a0625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3829713e8108f5eb461ddcb6489a29184fb7bcd753a87d2d07d150a41a0625", kill_on_drop: false }`
[INFO] [stdout] 7c3829713e8108f5eb461ddcb6489a29184fb7bcd753a87d2d07d150a41a0625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fd6beb040fb45fb8be96f7764083b5f51735a652c1d54fdb915df2b96d3e0d2c
[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" "fd6beb040fb45fb8be96f7764083b5f51735a652c1d54fdb915df2b96d3e0d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_template v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "fd6beb040fb45fb8be96f7764083b5f51735a652c1d54fdb915df2b96d3e0d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6beb040fb45fb8be96f7764083b5f51735a652c1d54fdb915df2b96d3e0d2c", kill_on_drop: false }`
[INFO] [stdout] fd6beb040fb45fb8be96f7764083b5f51735a652c1d54fdb915df2b96d3e0d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dea8ab3b8289192fd5d16d342f37bd67054c7c69c4b33ecbf0a6d50ff823099f
[INFO] running `Command { std: "docker" "start" "-a" "dea8ab3b8289192fd5d16d342f37bd67054c7c69c4b33ecbf0a6d50ff823099f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string_template-dcd3bcfc63c49413
[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] [stderr]    Doc-tests string_template
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Template::render (line 24) ... FAILED
[INFO] [stdout] test src/lib.rs - Template::render_positional (line 101) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Template::render (line 24) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:27:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | Examples
[INFO] [stdout]   |         - expected one of 8 possible tokens
[INFO] [stdout] 4 | 
[INFO] [stdout] 5 | let template = Template::new("Hi, my name is {{name}} and I'm a {{lang}} developer.");
[INFO] [stdout]   | ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Template::render_positional (line 101) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Template`
[INFO] [stdout]  --> src/lib.rs:102:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let template = Template::new("Hi, my name is {{}} and I'm a {{}} developer.");
[INFO] [stdout]   |                ^^^^^^^^ use of undeclared type `Template`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Template::render (line 24)
[INFO] [stdout]     src/lib.rs - Template::render_positional (line 101)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "dea8ab3b8289192fd5d16d342f37bd67054c7c69c4b33ecbf0a6d50ff823099f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea8ab3b8289192fd5d16d342f37bd67054c7c69c4b33ecbf0a6d50ff823099f", kill_on_drop: false }`
[INFO] [stdout] dea8ab3b8289192fd5d16d342f37bd67054c7c69c4b33ecbf0a6d50ff823099f