[INFO] fetching crate indexkv 0.2.6... [INFO] checking indexkv-0.2.6 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate indexkv 0.2.6 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate indexkv 0.2.6 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate indexkv 0.2.6 [INFO] finished tweaking crates.io crate indexkv 0.2.6 [INFO] tweaked toml for crates.io crate indexkv 0.2.6 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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 async-bincode v0.5.1 [INFO] [stderr] Downloaded english-numbers v0.3.3 [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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79f7adcfaab8b5718873e23a1c0e29ba2cc7d22717ba24a793208d4054f7609b [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" "79f7adcfaab8b5718873e23a1c0e29ba2cc7d22717ba24a793208d4054f7609b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79f7adcfaab8b5718873e23a1c0e29ba2cc7d22717ba24a793208d4054f7609b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79f7adcfaab8b5718873e23a1c0e29ba2cc7d22717ba24a793208d4054f7609b", kill_on_drop: false }` [INFO] [stdout] 79f7adcfaab8b5718873e23a1c0e29ba2cc7d22717ba24a793208d4054f7609b [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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--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] fe31ddfaaa94d634327b44bf4bb431cd182b0eace08d5518f950e0f06fb82883 [INFO] running `Command { std: "docker" "start" "-a" "fe31ddfaaa94d634327b44bf4bb431cd182b0eace08d5518f950e0f06fb82883", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking english-numbers v0.3.3 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking async-bincode v0.5.1 [INFO] [stderr] Checking indexkv v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::hash::BuildHasher` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::hash::BuildHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::BuildHasher` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::hash::BuildHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot use constants which depend on generic parameters in types [INFO] [stdout] --> src/lib.rs:114:23 [INFO] [stdout] | [INFO] [stdout] 114 | let mut buf = [0u8; Self::header_size() as usize]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(const_evaluatable_unchecked)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #76200 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot use constants which depend on generic parameters in types [INFO] [stdout] --> src/lib.rs:114:23 [INFO] [stdout] | [INFO] [stdout] 114 | let mut buf = [0u8; Self::header_size() as usize]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(const_evaluatable_unchecked)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #76200 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot use constants which depend on generic parameters in types [INFO] [stdout] --> src/lib.rs:122:23 [INFO] [stdout] | [INFO] [stdout] 122 | let mut buf = [0u8; Self::index_entry_size() as usize]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #76200 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot use constants which depend on generic parameters in types [INFO] [stdout] --> src/lib.rs:122:23 [INFO] [stdout] | [INFO] [stdout] 122 | let mut buf = [0u8; Self::index_entry_size() as usize]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #76200 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:366:7 [INFO] [stdout] | [INFO] [stdout] 366 | let mut values = (0..5).map(|i| FixedWidth::new(i)).collect::>(); [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/lib.rs:385:7 [INFO] [stdout] | [INFO] [stdout] 385 | let mut values = (0..13).map(|i| FixedWidth::new(i)).collect::>(); [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/lib.rs:404:7 [INFO] [stdout] | [INFO] [stdout] 404 | let mut values = (0..41).map(|i| FixedWidth::new(i)).collect::>(); [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/lib.rs:423:7 [INFO] [stdout] | [INFO] [stdout] 423 | let mut values = (0..47).map(|i| FixedWidth::new(i)).collect::>(); [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/lib.rs:442:7 [INFO] [stdout] | [INFO] [stdout] 442 | let mut values = (0..53).map(|i| FixedWidth::new(i)).collect::>(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.02s [INFO] running `Command { std: "docker" "inspect" "fe31ddfaaa94d634327b44bf4bb431cd182b0eace08d5518f950e0f06fb82883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe31ddfaaa94d634327b44bf4bb431cd182b0eace08d5518f950e0f06fb82883", kill_on_drop: false }` [INFO] [stdout] fe31ddfaaa94d634327b44bf4bb431cd182b0eace08d5518f950e0f06fb82883