[INFO] fetching crate snoot 0.1.2... [INFO] checking snoot-0.1.2 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] extracting crate snoot 0.1.2 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate snoot 0.1.2 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] e1736ecee2466edb524d1b30eb4434c4708da494a7ec7639041b60fc12d1ef83 [INFO] running `Command { std: "docker" "start" "-a" "e1736ecee2466edb524d1b30eb4434c4708da494a7ec7639041b60fc12d1ef83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1736ecee2466edb524d1b30eb4434c4708da494a7ec7639041b60fc12d1ef83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1736ecee2466edb524d1b30eb4434c4708da494a7ec7639041b60fc12d1ef83", kill_on_drop: false }` [INFO] [stdout] e1736ecee2466edb524d1b30eb4434c4708da494a7ec7639041b60fc12d1ef83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e03030065127675e3a5193de98c2f6e81fdaa1aae05f84b65f4ce5100017bb4 [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" "8e03030065127675e3a5193de98c2f6e81fdaa1aae05f84b65f4ce5100017bb4", kill_on_drop: false }` [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking itoa v0.3.4 [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 thread_local v0.3.6 [INFO] [stderr] Checking utf-8 v0.6.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking tendril v0.2.4 [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 22.88s [INFO] running `Command { std: "docker" "inspect" "8e03030065127675e3a5193de98c2f6e81fdaa1aae05f84b65f4ce5100017bb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e03030065127675e3a5193de98c2f6e81fdaa1aae05f84b65f4ce5100017bb4", kill_on_drop: false }` [INFO] [stdout] 8e03030065127675e3a5193de98c2f6e81fdaa1aae05f84b65f4ce5100017bb4