[INFO] fetching crate esvm-bigint 0.0.1... [INFO] checking esvm-bigint-0.0.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate esvm-bigint 0.0.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate esvm-bigint 0.0.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate esvm-bigint 0.0.1 [INFO] finished tweaking crates.io crate esvm-bigint 0.0.1 [INFO] tweaked toml for crates.io crate esvm-bigint 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded esvm-rlp v0.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 297e54a3c5a2d6da9addd40ad2c9a404059544d439b520055a039e4c5609337e [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" "297e54a3c5a2d6da9addd40ad2c9a404059544d439b520055a039e4c5609337e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "297e54a3c5a2d6da9addd40ad2c9a404059544d439b520055a039e4c5609337e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "297e54a3c5a2d6da9addd40ad2c9a404059544d439b520055a039e4c5609337e", kill_on_drop: false }` [INFO] [stdout] 297e54a3c5a2d6da9addd40ad2c9a404059544d439b520055a039e4c5609337e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e09ae4cae5603e76845596fe9e6ff02a746940f08994840dce829eaceedbd7ac [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" "e09ae4cae5603e76845596fe9e6ff02a746940f08994840dce829eaceedbd7ac", kill_on_drop: false }` [INFO] [stderr] Compiling heapsize v0.3.9 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking elastic-array v0.7.0 [INFO] [stderr] Checking esvm-rlp v0.0.1 [INFO] [stderr] Checking esvm-bigint v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `ZERO_BIG_DIGIT` [INFO] [stdout] --> src/algorithms.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub const ZERO_BIG_DIGIT: BigDigit = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_doublebigdigit` [INFO] [stdout] --> src/algorithms.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ZERO_BIG_DIGIT` [INFO] [stdout] --> src/algorithms.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub const ZERO_BIG_DIGIT: BigDigit = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_doublebigdigit` [INFO] [stdout] --> src/algorithms.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.30s [INFO] running `Command { std: "docker" "inspect" "e09ae4cae5603e76845596fe9e6ff02a746940f08994840dce829eaceedbd7ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e09ae4cae5603e76845596fe9e6ff02a746940f08994840dce829eaceedbd7ac", kill_on_drop: false }` [INFO] [stdout] e09ae4cae5603e76845596fe9e6ff02a746940f08994840dce829eaceedbd7ac