[INFO] fetching crate srand 0.4.0... [INFO] testing srand-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate srand 0.4.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate srand 0.4.0 [INFO] finished tweaking crates.io crate srand 0.4.0 [INFO] tweaked toml for crates.io crate srand 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate srand 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55ff5264149c5085d8bd039296602c52f154d186e82fe22b9f6b49dee88f42a0 [INFO] running `Command { std: "docker" "start" "-a" "55ff5264149c5085d8bd039296602c52f154d186e82fe22b9f6b49dee88f42a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55ff5264149c5085d8bd039296602c52f154d186e82fe22b9f6b49dee88f42a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55ff5264149c5085d8bd039296602c52f154d186e82fe22b9f6b49dee88f42a0", kill_on_drop: false }` [INFO] [stdout] 55ff5264149c5085d8bd039296602c52f154d186e82fe22b9f6b49dee88f42a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4eb247ed762a68f886dbf411486b00bea73a744ca972d7416dffde9339b4efc0 [INFO] running `Command { std: "docker" "start" "-a" "4eb247ed762a68f886dbf411486b00bea73a744ca972d7416dffde9339b4efc0", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling srand v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `linux` [INFO] [stdout] --> src/reader.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(any(linux,unix,macos))] [INFO] [stdout] | ^^^^^ help: found config with similar value: `target_os = "linux"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(linux)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(linux)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `macos` [INFO] [stdout] --> src/reader.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(any(linux,unix,macos))] [INFO] [stdout] | ^^^^^ help: found config with similar value: `target_os = "macos"` [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(macos)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(macos)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this arithmetic operation will overflow [INFO] [stdout] --> src/rand.rs:217:48 [INFO] [stdout] | [INFO] [stdout] 217 | let f: f64 = self.int64() as f64 / (1 << 63) as f64; [INFO] [stdout] | ^^^^^^^^^ attempt to shift left by `63_i32`, which would overflow [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(arithmetic_overflow)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `srand` (lib) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4eb247ed762a68f886dbf411486b00bea73a744ca972d7416dffde9339b4efc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4eb247ed762a68f886dbf411486b00bea73a744ca972d7416dffde9339b4efc0", kill_on_drop: false }` [INFO] [stdout] 4eb247ed762a68f886dbf411486b00bea73a744ca972d7416dffde9339b4efc0