[INFO] fetching crate slam 0.1.0... [INFO] building slam-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate slam 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate slam 0.1.0 [INFO] finished tweaking crates.io crate slam 0.1.0 [INFO] tweaked toml for crates.io crate slam 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate slam 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate slam 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-width v0.1.6 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded unicode-segmentation v1.3.0 [INFO] [stderr] Downloaded libc v0.2.62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a3f5e8371267ab08d17c8b71dce378da5597fea7c686676ea4dd508246cdef5 [INFO] running `Command { std: "docker" "start" "-a" "4a3f5e8371267ab08d17c8b71dce378da5597fea7c686676ea4dd508246cdef5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a3f5e8371267ab08d17c8b71dce378da5597fea7c686676ea4dd508246cdef5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a3f5e8371267ab08d17c8b71dce378da5597fea7c686676ea4dd508246cdef5", kill_on_drop: false }` [INFO] [stdout] 4a3f5e8371267ab08d17c8b71dce378da5597fea7c686676ea4dd508246cdef5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b5fb4a90848c6eb8d193f84065d33881f533d140643487eeb61e5a629096680 [INFO] running `Command { std: "docker" "start" "-a" "7b5fb4a90848c6eb8d193f84065d33881f533d140643487eeb61e5a629096680", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling slam v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufRead` and `stdin` [INFO] [stdout] --> src/main.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{stdin, BufRead}; [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let args = Opt::from_args(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `precision` and `files` are never read [INFO] [stdout] --> src/clargs.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Opt { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub precision: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub files: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.04s [INFO] running `Command { std: "docker" "inspect" "7b5fb4a90848c6eb8d193f84065d33881f533d140643487eeb61e5a629096680", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b5fb4a90848c6eb8d193f84065d33881f533d140643487eeb61e5a629096680", kill_on_drop: false }` [INFO] [stdout] 7b5fb4a90848c6eb8d193f84065d33881f533d140643487eeb61e5a629096680 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f11d09b7a235ae2e567a8c853c0ad1a82b257f6cb9182cec0e6b074a191bff17 [INFO] running `Command { std: "docker" "start" "-a" "f11d09b7a235ae2e567a8c853c0ad1a82b257f6cb9182cec0e6b074a191bff17", kill_on_drop: false }` [INFO] [stderr] Compiling slam v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufRead` and `stdin` [INFO] [stdout] --> src/main.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{stdin, BufRead}; [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let args = Opt::from_args(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `precision` and `files` are never read [INFO] [stdout] --> src/clargs.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Opt { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub precision: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub files: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "f11d09b7a235ae2e567a8c853c0ad1a82b257f6cb9182cec0e6b074a191bff17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f11d09b7a235ae2e567a8c853c0ad1a82b257f6cb9182cec0e6b074a191bff17", kill_on_drop: false }` [INFO] [stdout] f11d09b7a235ae2e567a8c853c0ad1a82b257f6cb9182cec0e6b074a191bff17