[INFO] fetching crate snoot 0.1.2... [INFO] checking snoot-0.1.2 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] extracting crate snoot 0.1.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate snoot 0.1.2 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate snoot 0.1.2 [INFO] finished tweaking crates.io crate snoot 0.1.2 [INFO] tweaked toml for crates.io crate snoot 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", 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] 019bd4af6fec5c19a24da7e07d309f0996ddf61408c37031a8ba9ace32916df8 [INFO] running `Command { std: "docker" "start" "-a" "019bd4af6fec5c19a24da7e07d309f0996ddf61408c37031a8ba9ace32916df8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "019bd4af6fec5c19a24da7e07d309f0996ddf61408c37031a8ba9ace32916df8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "019bd4af6fec5c19a24da7e07d309f0996ddf61408c37031a8ba9ace32916df8", kill_on_drop: false }` [INFO] [stdout] 019bd4af6fec5c19a24da7e07d309f0996ddf61408c37031a8ba9ace32916df8 [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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b67a564d95a630a94816bef59c03fd27a9ebf01c4a5aca155cc3556f7c39aee2 [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" "b67a564d95a630a94816bef59c03fd27a9ebf01c4a5aca155cc3556f7c39aee2", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking utf-8 v0.6.0 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking tendril v0.2.4 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde_json v0.9.10 [INFO] [stderr] Checking snoot v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/diagnostic/diagnostic_bag.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/diagnostic/diagnostic_bag.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serde_serialization/mod.rs:300:29 [INFO] [stdout] | [INFO] [stdout] 300 | fn deserialize_tuple(mut self, len: usize, visitor: V) -> Result [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serde_serialization/mod.rs:310:36 [INFO] [stdout] | [INFO] [stdout] 310 | fn deserialize_tuple_struct(mut self, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serde_serialization/mod.rs:357:30 [INFO] [stdout] | [INFO] [stdout] 357 | fn deserialize_struct(mut self, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serde_serialization/mod.rs:300:29 [INFO] [stdout] | [INFO] [stdout] 300 | fn deserialize_tuple(mut self, len: usize, visitor: V) -> Result [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serde_serialization/mod.rs:310:36 [INFO] [stdout] | [INFO] [stdout] 310 | fn deserialize_tuple_struct(mut self, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serde_serialization/mod.rs:357:30 [INFO] [stdout] | [INFO] [stdout] 357 | fn deserialize_struct(mut self, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.57s [INFO] running `Command { std: "docker" "inspect" "b67a564d95a630a94816bef59c03fd27a9ebf01c4a5aca155cc3556f7c39aee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b67a564d95a630a94816bef59c03fd27a9ebf01c4a5aca155cc3556f7c39aee2", kill_on_drop: false }` [INFO] [stdout] b67a564d95a630a94816bef59c03fd27a9ebf01c4a5aca155cc3556f7c39aee2