[INFO] fetching crate hamlrs 0.4.3...
[INFO] checking hamlrs-0.4.3 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate hamlrs 0.4.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hamlrs 0.4.3 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c965d1822c157ee0d8bf253c2c0ff04795107d8299ec89d7593d27c19d35aba4
[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" "c965d1822c157ee0d8bf253c2c0ff04795107d8299ec89d7593d27c19d35aba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c965d1822c157ee0d8bf253c2c0ff04795107d8299ec89d7593d27c19d35aba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c965d1822c157ee0d8bf253c2c0ff04795107d8299ec89d7593d27c19d35aba4", kill_on_drop: false }`
[INFO] [stdout] c965d1822c157ee0d8bf253c2c0ff04795107d8299ec89d7593d27c19d35aba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] f69462a6ff3781697ec085181d9a00e30f4a05331970ca1e7be7f09667d16b3a
[INFO] running `Command { std: "docker" "start" "-a" "f69462a6ff3781697ec085181d9a00e30f4a05331970ca1e7be7f09667d16b3a", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking hamlrs v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking libc v0.2.77
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[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<Token> = None;
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[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<Token> = 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 36.11s
[INFO] running `Command { std: "docker" "inspect" "f69462a6ff3781697ec085181d9a00e30f4a05331970ca1e7be7f09667d16b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69462a6ff3781697ec085181d9a00e30f4a05331970ca1e7be7f09667d16b3a", kill_on_drop: false }`
[INFO] [stdout] f69462a6ff3781697ec085181d9a00e30f4a05331970ca1e7be7f09667d16b3a
