[INFO] fetching crate gradecalculators 0.1.2...
[INFO] testing gradecalculators-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate gradecalculators 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gradecalculators 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gradecalculators 0.1.2
[INFO] finished tweaking crates.io crate gradecalculators 0.1.2
[INFO] tweaked toml for crates.io crate gradecalculators 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d30dcb94b60c45e69d866644cbeb12327354fb7f89d904b779a503852f5748ca
[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" "d30dcb94b60c45e69d866644cbeb12327354fb7f89d904b779a503852f5748ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30dcb94b60c45e69d866644cbeb12327354fb7f89d904b779a503852f5748ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30dcb94b60c45e69d866644cbeb12327354fb7f89d904b779a503852f5748ca", kill_on_drop: false }`
[INFO] [stdout] d30dcb94b60c45e69d866644cbeb12327354fb7f89d904b779a503852f5748ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4996507c474852dd306d3733bb643fd320c74bd397b09d7f2f46ac38d47a7ff
[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" "b4996507c474852dd306d3733bb643fd320c74bd397b09d7f2f46ac38d47a7ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling gradecalculators v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "b4996507c474852dd306d3733bb643fd320c74bd397b09d7f2f46ac38d47a7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4996507c474852dd306d3733bb643fd320c74bd397b09d7f2f46ac38d47a7ff", kill_on_drop: false }`
[INFO] [stdout] b4996507c474852dd306d3733bb643fd320c74bd397b09d7f2f46ac38d47a7ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846d710d1dca23029f58aaeee7d21b0ebc22e4eda9b2e7936ff45d68fab9feb8
[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" "846d710d1dca23029f58aaeee7d21b0ebc22e4eda9b2e7936ff45d68fab9feb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gradecalculators v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "846d710d1dca23029f58aaeee7d21b0ebc22e4eda9b2e7936ff45d68fab9feb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846d710d1dca23029f58aaeee7d21b0ebc22e4eda9b2e7936ff45d68fab9feb8", kill_on_drop: false }`
[INFO] [stdout] 846d710d1dca23029f58aaeee7d21b0ebc22e4eda9b2e7936ff45d68fab9feb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6aa69e2ee5f446b2d07a526acac03aa1538fe13dca74543e6964b0a41aa4ee82
[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" "6aa69e2ee5f446b2d07a526acac03aa1538fe13dca74543e6964b0a41aa4ee82", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gradecalculators-c3dd94e65ee49752
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gradecalculators
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 48) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 38) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 31) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 48) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `current`
[INFO] [stdout]  --> src/lib.rs:49:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | Your current grade is 91%(A)
[INFO] [stdout]   |      ^^^^^^^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 38) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `,`
[INFO] [stdout]  --> src/lib.rs:39:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | Quiz, A, 20
[INFO] [stdout]   |     ^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 31) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `,`
[INFO] [stdout]  --> src/lib.rs:32:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | Quiz, 90, 20
[INFO] [stdout]   |     ^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `,`
[INFO] [stdout]  --> src/lib.rs:23:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | Quiz, 90, 20
[INFO] [stdout]   |     ^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout]     src/lib.rs - (line 31)
[INFO] [stdout]     src/lib.rs - (line 38)
[INFO] [stdout]     src/lib.rs - (line 48)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6aa69e2ee5f446b2d07a526acac03aa1538fe13dca74543e6964b0a41aa4ee82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa69e2ee5f446b2d07a526acac03aa1538fe13dca74543e6964b0a41aa4ee82", kill_on_drop: false }`
[INFO] [stdout] 6aa69e2ee5f446b2d07a526acac03aa1538fe13dca74543e6964b0a41aa4ee82