[INFO] cloning repository https://github.com/acheronfail/di
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acheronfail/di" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fdi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fdi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fab48f2821167d048d7f14addf47123c6e5ef555
[INFO] testing acheronfail/di against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fdi" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acheronfail/di on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/acheronfail/di
[INFO] finished tweaking git repo https://github.com/acheronfail/di
[INFO] tweaked toml for git repo https://github.com/acheronfail/di written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/acheronfail/di already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad2f2dd93a491a8aaee4cc526174721c01e631d4ac9a206cc4c03afaeac324c6
[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" "ad2f2dd93a491a8aaee4cc526174721c01e631d4ac9a206cc4c03afaeac324c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2f2dd93a491a8aaee4cc526174721c01e631d4ac9a206cc4c03afaeac324c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2f2dd93a491a8aaee4cc526174721c01e631d4ac9a206cc4c03afaeac324c6", kill_on_drop: false }`
[INFO] [stdout] ad2f2dd93a491a8aaee4cc526174721c01e631d4ac9a206cc4c03afaeac324c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27811eddebd8e93f85ae7954c35fef432e7972ffe628917d9d211c379265eb2e
[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" "27811eddebd8e93f85ae7954c35fef432e7972ffe628917d9d211c379265eb2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling pretty-bytes v0.2.2
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling globset v0.4.0
[INFO] [stderr]    Compiling ignore v0.4.2
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling di v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scan.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |         for (i, (mut path, metadata)) in rx.into_iter().enumerate() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.86s
[INFO] running `Command { std: "docker" "inspect" "27811eddebd8e93f85ae7954c35fef432e7972ffe628917d9d211c379265eb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27811eddebd8e93f85ae7954c35fef432e7972ffe628917d9d211c379265eb2e", kill_on_drop: false }`
[INFO] [stdout] 27811eddebd8e93f85ae7954c35fef432e7972ffe628917d9d211c379265eb2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1180fbbe9d194c27c692270fee14fb9751adf0e8beb1cdd862b9b3906b2ccd81
[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" "1180fbbe9d194c27c692270fee14fb9751adf0e8beb1cdd862b9b3906b2ccd81", kill_on_drop: false }`
[INFO] [stderr]    Compiling di v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scan.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |         for (i, (mut path, metadata)) in rx.into_iter().enumerate() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "1180fbbe9d194c27c692270fee14fb9751adf0e8beb1cdd862b9b3906b2ccd81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1180fbbe9d194c27c692270fee14fb9751adf0e8beb1cdd862b9b3906b2ccd81", kill_on_drop: false }`
[INFO] [stdout] 1180fbbe9d194c27c692270fee14fb9751adf0e8beb1cdd862b9b3906b2ccd81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b0db94a6fa71a1e259ed458c0fe30cbc03ecd2f5d3f861ed02f15216ff03285
[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" "0b0db94a6fa71a1e259ed458c0fe30cbc03ecd2f5d3f861ed02f15216ff03285", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/scan.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |         for (i, (mut path, metadata)) in rx.into_iter().enumerate() {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/di-43e970b990847d89
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b0db94a6fa71a1e259ed458c0fe30cbc03ecd2f5d3f861ed02f15216ff03285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0db94a6fa71a1e259ed458c0fe30cbc03ecd2f5d3f861ed02f15216ff03285", kill_on_drop: false }`
[INFO] [stdout] 0b0db94a6fa71a1e259ed458c0fe30cbc03ecd2f5d3f861ed02f15216ff03285