[INFO] fetching crate snoot 0.1.2... [INFO] testing snoot-0.1.2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate snoot 0.1.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate snoot 0.1.2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tendril v0.2.4 [INFO] [stderr] Downloaded utf-8 v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 3f302a7ba7c9b40161d36372b1548fecaa91038c6c8af1d4770d07812cec0118 [INFO] running `Command { std: "docker" "start" "-a" "3f302a7ba7c9b40161d36372b1548fecaa91038c6c8af1d4770d07812cec0118", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f302a7ba7c9b40161d36372b1548fecaa91038c6c8af1d4770d07812cec0118", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f302a7ba7c9b40161d36372b1548fecaa91038c6c8af1d4770d07812cec0118", kill_on_drop: false }` [INFO] [stdout] 3f302a7ba7c9b40161d36372b1548fecaa91038c6c8af1d4770d07812cec0118 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", 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] 9677e5d83e4a76f1f8393731720e5ba176642e24c80c848072868f9de73e7111 [INFO] running `Command { std: "docker" "start" "-a" "9677e5d83e4a76f1f8393731720e5ba176642e24c80c848072868f9de73e7111", kill_on_drop: false }` [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling utf-8 v0.6.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools v0.5.10 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling tendril v0.2.4 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling 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: 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 26.70s [INFO] running `Command { std: "docker" "inspect" "9677e5d83e4a76f1f8393731720e5ba176642e24c80c848072868f9de73e7111", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9677e5d83e4a76f1f8393731720e5ba176642e24c80c848072868f9de73e7111", kill_on_drop: false }` [INFO] [stdout] 9677e5d83e4a76f1f8393731720e5ba176642e24c80c848072868f9de73e7111 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 377cf3c1bccad49098c465cd33b4eb7812bcb32e7e45a3974725332f79fc64ed [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" "377cf3c1bccad49098c465cd33b4eb7812bcb32e7e45a3974725332f79fc64ed", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 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: 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.35s [INFO] running `Command { std: "docker" "inspect" "377cf3c1bccad49098c465cd33b4eb7812bcb32e7e45a3974725332f79fc64ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "377cf3c1bccad49098c465cd33b4eb7812bcb32e7e45a3974725332f79fc64ed", kill_on_drop: false }` [INFO] [stdout] 377cf3c1bccad49098c465cd33b4eb7812bcb32e7e45a3974725332f79fc64ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7e6c21e0e05cbaab3e5693ee8a0241287db7686a41af99d2d13f9fab133b9abc [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" "7e6c21e0e05cbaab3e5693ee8a0241287db7686a41af99d2d13f9fab133b9abc", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: the item `Ord` is imported redundantly [INFO] [stdout] running 34 tests [INFO] [stderr] --> src/diagnostic/diagnostic_bag.rs:37:13 [INFO] [stdout] test diagnostic::test_base_10_length ... ok [INFO] [stderr] | [INFO] [stdout] test parse::find_newline_test ... ok [INFO] [stderr] 37 | use std::cmp::Ord; [INFO] [stdout] test diagnostic::diagnostic_macros ... ok [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stdout] test parse::simplified_test::ident ... ok [INFO] [stderr] | [INFO] [stdout] test diagnostic::test_basic_error ... ok [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] test parse::test::two_idents ... ok [INFO] [stderr] [INFO] [stdout] test parse::simplified_test::list ... ok [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] test parse::simplified_test::mismatched_list_recovery ... ok [INFO] [stderr] --> src/serde_serialization/mod.rs:300:29 [INFO] [stdout] test parse::simplified_test::multiple_top_level_lists ... ok [INFO] [stderr] | [INFO] [stdout] test serde_serialization::test::test_default_field ... ok [INFO] [stderr] 300 | fn deserialize_tuple(mut self, len: usize, visitor: V) -> Result [INFO] [stdout] test serde_serialization::test::test_deserialize_option ... ok [INFO] [stderr] | ----^^^^ [INFO] [stdout] test parse::test::parens ... ok [INFO] [stderr] | | [INFO] [stdout] test serde_serialization::test::test_deserialize_newtype_structu ... ok [INFO] [stderr] | help: remove this `mut` [INFO] [stdout] test serde_serialization::test::test_deserialize_unit_structure ... ok [INFO] [stderr] | [INFO] [stdout] test token::test::ident_white_ident ... ok [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] test serde_serialization::test::test_seq_deserialization ... ok [INFO] [stderr] [INFO] [stdout] test serde_serialization::test::test_enum ... ok [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] test token::test::identifier ... ok [INFO] [stderr] --> src/serde_serialization/mod.rs:310:36 [INFO] [stdout] test token::test::paired_parens ... ok [INFO] [stderr] | [INFO] [stdout] test token::test::single_closing_paren ... ok [INFO] [stderr] 310 | fn deserialize_tuple_struct(mut self, [INFO] [stdout] test serde_serialization::test::test_map_deserialization ... ok [INFO] [stderr] | ----^^^^ [INFO] [stdout] test token::test::single_open_paren ... ok [INFO] [stderr] | | [INFO] [stdout] test token::test::nested_parens ... ok [INFO] [stderr] | help: remove this `mut` [INFO] [stdout] test token::test::unary_literal ... ok [INFO] [stderr] [INFO] [stdout] test token::test::split ... ok [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/serde_serialization/mod.rs:357:30 [INFO] [stderr] | [INFO] [stderr] 357 | fn deserialize_struct(mut self, [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/serde_serialization/test.rs:139:21 [INFO] [stderr] | [INFO] [stderr] 139 | pub struct Bar{}; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `snoot` (lib) generated 4 warnings [INFO] [stderr] warning: `snoot` (lib test) generated 5 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/snoot-05aaf9b85caba6b2) [INFO] [stdout] test serde_serialization::test::test_tuple_struct_deserialization ... ok [INFO] [stdout] test token::test::empty ... ok [INFO] [stdout] test token::test::double_parens ... ok [INFO] [stdout] test token::test::numbers ... ok [INFO] [stdout] test serde_serialization::test::test_tuple_deserialization ... ok [INFO] [stdout] test parse::test::single_ident ... ok [INFO] [stdout] test serde_serialization::test::test_struct_deserialization ... ok [INFO] [stdout] test serde_serialization::test::test_simple_deserialization ... ok [INFO] [stdout] test parse::simplified_test::prop_regression ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests snoot [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7e6c21e0e05cbaab3e5693ee8a0241287db7686a41af99d2d13f9fab133b9abc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e6c21e0e05cbaab3e5693ee8a0241287db7686a41af99d2d13f9fab133b9abc", kill_on_drop: false }` [INFO] [stdout] 7e6c21e0e05cbaab3e5693ee8a0241287db7686a41af99d2d13f9fab133b9abc