[INFO] fetching crate git-summary 0.1.1...
[INFO] checking git-summary-0.1.1 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate git-summary 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate git-summary 0.1.1
[INFO] finished tweaking crates.io crate git-summary 0.1.1
[INFO] tweaked toml for crates.io crate git-summary 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate git-summary 0.1.1 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate git-summary 0.1.1 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c1123a7a8a6d520e70feee0d5eafffb8b70dc254729325b9cbc126ca13f1d7c
[INFO] running `Command { std: "docker" "start" "-a" "4c1123a7a8a6d520e70feee0d5eafffb8b70dc254729325b9cbc126ca13f1d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c1123a7a8a6d520e70feee0d5eafffb8b70dc254729325b9cbc126ca13f1d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1123a7a8a6d520e70feee0d5eafffb8b70dc254729325b9cbc126ca13f1d7c", kill_on_drop: false }`
[INFO] [stdout] 4c1123a7a8a6d520e70feee0d5eafffb8b70dc254729325b9cbc126ca13f1d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72889a91d46a0d8e8845c31b227ecac9686756612280981bade5f0315fd16b89
[INFO] running `Command { std: "docker" "start" "-a" "72889a91d46a0d8e8845c31b227ecac9686756612280981bade5f0315fd16b89", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]     Checking git2 v0.13.23
[INFO] [stderr]     Checking git-summary v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for cause in e.source() {
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 100 -         for cause in e.source() {
[INFO] [stdout] 100 +         while let Some(cause) = e.source() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 100 -         for cause in e.source() {
[INFO] [stdout] 100 +         if let Some(cause) = e.source() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for cause in e.source() {
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 100 -         for cause in e.source() {
[INFO] [stdout] 100 +         while let Some(cause) = e.source() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 100 -         for cause in e.source() {
[INFO] [stdout] 100 +         if let Some(cause) = e.source() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.13s
[INFO] running `Command { std: "docker" "inspect" "72889a91d46a0d8e8845c31b227ecac9686756612280981bade5f0315fd16b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72889a91d46a0d8e8845c31b227ecac9686756612280981bade5f0315fd16b89", kill_on_drop: false }`
[INFO] [stdout] 72889a91d46a0d8e8845c31b227ecac9686756612280981bade5f0315fd16b89