[INFO] fetching crate snoot 0.1.2... [INFO] checking snoot-0.1.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate snoot 0.1.2 into /workspace/builds/worker-93/source [INFO] validating manifest of crates.io crate snoot 0.1.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-93/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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 utf-8 v0.6.0 [INFO] [stderr] Downloaded serde v0.9.15 [INFO] [stderr] Downloaded serde_json v0.9.10 [INFO] [stderr] Downloaded itertools v0.5.10 [INFO] [stderr] Downloaded tendril v0.2.4 [INFO] [stderr] Downloaded itoa v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3541c588c8bb04a90b8287a3d1d0427f9b3f8809edaadab2e7a792494fb1291b [INFO] running `Command { std: "docker" "start" "-a" "3541c588c8bb04a90b8287a3d1d0427f9b3f8809edaadab2e7a792494fb1291b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3541c588c8bb04a90b8287a3d1d0427f9b3f8809edaadab2e7a792494fb1291b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3541c588c8bb04a90b8287a3d1d0427f9b3f8809edaadab2e7a792494fb1291b", kill_on_drop: false }` [INFO] [stdout] 3541c588c8bb04a90b8287a3d1d0427f9b3f8809edaadab2e7a792494fb1291b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2673a5cb105daf5f3557f75fa153b4cb8e3c0422a72240fad455fa84b2b734f4 [INFO] running `Command { std: "docker" "start" "-a" "2673a5cb105daf5f3557f75fa153b4cb8e3c0422a72240fad455fa84b2b734f4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking utf-8 v0.6.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking tendril v0.2.4 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde_json v0.9.10 [INFO] [stderr] Compiling serde_derive v1.0.130 [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: unnecessary trailing semicolon [INFO] [stdout] --> src/serde_serialization/test.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | pub struct Bar{}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.63s [INFO] running `Command { std: "docker" "inspect" "2673a5cb105daf5f3557f75fa153b4cb8e3c0422a72240fad455fa84b2b734f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2673a5cb105daf5f3557f75fa153b4cb8e3c0422a72240fad455fa84b2b734f4", kill_on_drop: false }` [INFO] [stdout] 2673a5cb105daf5f3557f75fa153b4cb8e3c0422a72240fad455fa84b2b734f4