[INFO] fetching crate comp_input 0.2.1...
[INFO] checking comp_input-0.2.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate comp_input 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate comp_input 0.2.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comp_input 0.2.1
[INFO] finished tweaking crates.io crate comp_input 0.2.1
[INFO] tweaked toml for crates.io crate comp_input 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50282707b5c1239fc8a011b7bbbc6eb24b0a2ec0056621cac071e99174044be9
[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" "50282707b5c1239fc8a011b7bbbc6eb24b0a2ec0056621cac071e99174044be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50282707b5c1239fc8a011b7bbbc6eb24b0a2ec0056621cac071e99174044be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50282707b5c1239fc8a011b7bbbc6eb24b0a2ec0056621cac071e99174044be9", kill_on_drop: false }`
[INFO] [stdout] 50282707b5c1239fc8a011b7bbbc6eb24b0a2ec0056621cac071e99174044be9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 98e3b5ff49172563abecbda889d2a117ac0c71e359a5494b5640be8b29932624
[INFO] running `Command { std: "docker" "start" "-a" "98e3b5ff49172563abecbda889d2a117ac0c71e359a5494b5640be8b29932624", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking comp_input v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `memchr2`, `memchr3`
[INFO] [stdout]   --> src/lib.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | use memchr::{memchr, memchr2, memchr3};
[INFO] [stdout]    |                      ^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `memchr2`, `memchr3`
[INFO] [stdout]   --> src/lib.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | use memchr::{memchr, memchr2, memchr3};
[INFO] [stdout]    |                      ^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sign`
[INFO] [stdout]   --> src/lib.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let (sign, digits) = if src[0] == b'+' || src[0] == b'-' {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_sign`
[INFO] [stdout] ...
[INFO] [stdout] 96 | from_ascii_uint_impl! { u8 u16 u32 u64 usize }
[INFO] [stdout]    | ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sign`
[INFO] [stdout]   --> src/lib.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let (sign, digits) = if src[0] == b'+' || src[0] == b'-' {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_sign`
[INFO] [stdout] ...
[INFO] [stdout] 96 | from_ascii_uint_impl! { u8 u16 u32 u64 usize }
[INFO] [stdout]    | ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sign`
[INFO] [stdout]   --> src/lib.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let (sign, digits) = if src[0] == b'+' || src[0] == b'-' {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_sign`
[INFO] [stdout] ...
[INFO] [stdout] 96 | from_ascii_uint_impl! { u8 u16 u32 u64 usize }
[INFO] [stdout]    | ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sign`
[INFO] [stdout]   --> src/lib.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let (sign, digits) = if src[0] == b'+' || src[0] == b'-' {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_sign`
[INFO] [stdout] ...
[INFO] [stdout] 96 | from_ascii_uint_impl! { u8 u16 u32 u64 usize }
[INFO] [stdout]    | ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "98e3b5ff49172563abecbda889d2a117ac0c71e359a5494b5640be8b29932624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e3b5ff49172563abecbda889d2a117ac0c71e359a5494b5640be8b29932624", kill_on_drop: false }`
[INFO] [stdout] 98e3b5ff49172563abecbda889d2a117ac0c71e359a5494b5640be8b29932624