[INFO] fetching crate hamlrs 0.4.3... [INFO] checking hamlrs-0.4.3 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate hamlrs 0.4.3 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate hamlrs 0.4.3 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate hamlrs 0.4.3 [INFO] finished tweaking crates.io crate hamlrs 0.4.3 [INFO] tweaked toml for crates.io crate hamlrs 0.4.3 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e88bab1a16e7f7c0bc03e1e97d94b1ffa490009efd4c38336e21e36acd5d35e2 [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" "e88bab1a16e7f7c0bc03e1e97d94b1ffa490009efd4c38336e21e36acd5d35e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e88bab1a16e7f7c0bc03e1e97d94b1ffa490009efd4c38336e21e36acd5d35e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e88bab1a16e7f7c0bc03e1e97d94b1ffa490009efd4c38336e21e36acd5d35e2", kill_on_drop: false }` [INFO] [stdout] e88bab1a16e7f7c0bc03e1e97d94b1ffa490009efd4c38336e21e36acd5d35e2 [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc38a056dd5a422466d730b2c77196d626b88c5634cd9f7b4efe8ddfc1b138d0 [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" "cc38a056dd5a422466d730b2c77196d626b88c5634cd9f7b4efe8ddfc1b138d0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rayon-core v1.8.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking hamlrs v0.4.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.4.1 [INFO] [stdout] warning: value assigned to `token` is never read [INFO] [stdout] --> src/parser.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut token: Option<&Token> = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `class` is never read [INFO] [stdout] --> src/parser.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | let mut class = String::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/parser.rs:101:29 [INFO] [stdout] | [INFO] [stdout] 101 | let mut id = String::new(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `value` is never read [INFO] [stdout] --> src/scanner.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let mut value: Option = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: value assigned to `token` is never read [INFO] [stdout] --> src/parser.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut token: Option<&Token> = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `class` is never read [INFO] [stdout] --> src/parser.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | let mut class = String::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/parser.rs:101:29 [INFO] [stdout] | [INFO] [stdout] 101 | let mut id = String::new(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `value` is never read [INFO] [stdout] --> src/scanner.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let mut value: Option = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.87s [INFO] running `Command { std: "docker" "inspect" "cc38a056dd5a422466d730b2c77196d626b88c5634cd9f7b4efe8ddfc1b138d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc38a056dd5a422466d730b2c77196d626b88c5634cd9f7b4efe8ddfc1b138d0", kill_on_drop: false }` [INFO] [stdout] cc38a056dd5a422466d730b2c77196d626b88c5634cd9f7b4efe8ddfc1b138d0