[INFO] cloning repository https://github.com/AngelOnFira/rust-modular-exponentiation-calculator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AngelOnFira/rust-modular-exponentiation-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelOnFira%2Frust-modular-exponentiation-calculator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelOnFira%2Frust-modular-exponentiation-calculator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fce76e1c9d90ce662178c4e86c58453db9c2dd91 [INFO] checking AngelOnFira/rust-modular-exponentiation-calculator/fce76e1c9d90ce662178c4e86c58453db9c2dd91 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelOnFira%2Frust-modular-exponentiation-calculator" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator [INFO] finished tweaking git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator [INFO] tweaked toml for git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating git repository `https://github.com/kunerd/mod_pow` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-cfg v0.2.0 [INFO] [stderr] Downloaded num-iter v0.1.35 [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded modexp v0.2.2 [INFO] [stderr] Downloaded num-traits v0.2.2 [INFO] [stderr] Downloaded num-complex v0.1.43 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded num v0.1.42 [INFO] [stderr] Downloaded hamming v0.1.3 [INFO] [stderr] Downloaded ramp v0.3.12 [INFO] [stderr] Downloaded rand v0.4.2 [INFO] [stderr] Downloaded gcc v0.3.54 [INFO] [stderr] Downloaded ieee754 v0.2.2 [INFO] [stderr] Downloaded num-integer v0.1.36 [INFO] [stderr] Downloaded rand v0.3.22 [INFO] [stderr] Downloaded bitflags v1.0.1 [INFO] [stderr] Downloaded libc v0.2.39 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] [stderr] Downloaded num-bigint v0.1.43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f66496c275eeb87970d8820bac31030312d5d3796ff82dc08d6a02a213349dfe [INFO] running `Command { std: "docker" "start" "-a" "f66496c275eeb87970d8820bac31030312d5d3796ff82dc08d6a02a213349dfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f66496c275eeb87970d8820bac31030312d5d3796ff82dc08d6a02a213349dfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f66496c275eeb87970d8820bac31030312d5d3796ff82dc08d6a02a213349dfe", kill_on_drop: false }` [INFO] [stdout] f66496c275eeb87970d8820bac31030312d5d3796ff82dc08d6a02a213349dfe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75c3d21f5c99f23ae571182dd17982b4896f9df2a1ca0341b3ae82098fe914a7 [INFO] running `Command { std: "docker" "start" "-a" "75c3d21f5c99f23ae571182dd17982b4896f9df2a1ca0341b3ae82098fe914a7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling rustc-cfg v0.2.0 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Checking ieee754 v0.2.2 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/alloc/src/borrow.rs:179:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/alloc/src/borrow.rs:179:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "75c3d21f5c99f23ae571182dd17982b4896f9df2a1ca0341b3ae82098fe914a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75c3d21f5c99f23ae571182dd17982b4896f9df2a1ca0341b3ae82098fe914a7", kill_on_drop: false }` [INFO] [stdout] 75c3d21f5c99f23ae571182dd17982b4896f9df2a1ca0341b3ae82098fe914a7