[INFO] fetching crate arithmetic-sign 1.0.0...
[INFO] testing arithmetic-sign-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate arithmetic-sign 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate arithmetic-sign 1.0.0 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 arithmetic-sign 1.0.0
[INFO] finished tweaking crates.io crate arithmetic-sign 1.0.0
[INFO] tweaked toml for crates.io crate arithmetic-sign 1.0.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7a6d01523737989a1d052d7254872ad6d4752c5eba1a642a7a11349a2ddd5657
[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" "7a6d01523737989a1d052d7254872ad6d4752c5eba1a642a7a11349a2ddd5657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a6d01523737989a1d052d7254872ad6d4752c5eba1a642a7a11349a2ddd5657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6d01523737989a1d052d7254872ad6d4752c5eba1a642a7a11349a2ddd5657", kill_on_drop: false }`
[INFO] [stdout] 7a6d01523737989a1d052d7254872ad6d4752c5eba1a642a7a11349a2ddd5657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8035b9a42442aecc743f6b8d5d770905bf7a611f80f5aaef3c04cd7c4f4c5478
[INFO] running `Command { std: "docker" "start" "-a" "8035b9a42442aecc743f6b8d5d770905bf7a611f80f5aaef3c04cd7c4f4c5478", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling arithmetic-sign v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `Command { std: "docker" "inspect" "8035b9a42442aecc743f6b8d5d770905bf7a611f80f5aaef3c04cd7c4f4c5478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8035b9a42442aecc743f6b8d5d770905bf7a611f80f5aaef3c04cd7c4f4c5478", kill_on_drop: false }`
[INFO] [stdout] 8035b9a42442aecc743f6b8d5d770905bf7a611f80f5aaef3c04cd7c4f4c5478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f1513e45e1e964f44e2768f87832ba7eaf09b62008491b73edf433f3ac74218
[INFO] running `Command { std: "docker" "start" "-a" "9f1513e45e1e964f44e2768f87832ba7eaf09b62008491b73edf433f3ac74218", kill_on_drop: false }`
[INFO] [stderr]    Compiling arithmetic-sign v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "9f1513e45e1e964f44e2768f87832ba7eaf09b62008491b73edf433f3ac74218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1513e45e1e964f44e2768f87832ba7eaf09b62008491b73edf433f3ac74218", kill_on_drop: false }`
[INFO] [stdout] 9f1513e45e1e964f44e2768f87832ba7eaf09b62008491b73edf433f3ac74218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c9a02c815d7ced7297d25aabb93fc730ad0b3cc27538e08fb0505334ac4f963d
[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" "c9a02c815d7ced7297d25aabb93fc730ad0b3cc27538e08fb0505334ac4f963d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arithmetic_sign-3940b91d3a9ba40a
[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]      Running /opt/rustwide/target/debug/deps/test-821ade5d7d6781e8
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test i16 ... ok
[INFO] [stdout] test i32 ... ok
[INFO] [stdout] test mul ... ok
[INFO] [stdout] test i8 ... ok
[INFO] [stdout] test not ... ok
[INFO] [stdout] test ord ... ok
[INFO] [stdout] test to_string ... ok
[INFO] [stdout] test to_string_specific ... ok
[INFO] [stdout] test u128 ... ok
[INFO] [stdout] test u16 ... ok
[INFO] [stdout] test u64 ... ok
[INFO] [stdout] test u8 ... ok
[INFO] [stdout] test u32 ... ok
[INFO] [stdout] test f32 ... ok
[INFO] [stdout] test neg ... ok
[INFO] [stdout] test i128 ... ok
[INFO] [stdout] test i64 ... ok
[INFO] [stdout] test f64 ... ok
[INFO] [stdout] test is ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arithmetic-sign
[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" "c9a02c815d7ced7297d25aabb93fc730ad0b3cc27538e08fb0505334ac4f963d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a02c815d7ced7297d25aabb93fc730ad0b3cc27538e08fb0505334ac4f963d", kill_on_drop: false }`
[INFO] [stdout] c9a02c815d7ced7297d25aabb93fc730ad0b3cc27538e08fb0505334ac4f963d