[INFO] fetching crate gitdb 0.1.1...
[INFO] checking gitdb-0.1.1 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate gitdb 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gitdb 0.1.1 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gitdb 0.1.1
[INFO] finished tweaking crates.io crate gitdb 0.1.1
[INFO] tweaked toml for crates.io crate gitdb 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2368a86109f0d38917f25928c5d749ef51d49be5db94117d24fe6b621cf63ee9
[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" "2368a86109f0d38917f25928c5d749ef51d49be5db94117d24fe6b621cf63ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2368a86109f0d38917f25928c5d749ef51d49be5db94117d24fe6b621cf63ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2368a86109f0d38917f25928c5d749ef51d49be5db94117d24fe6b621cf63ee9", kill_on_drop: false }`
[INFO] [stdout] 2368a86109f0d38917f25928c5d749ef51d49be5db94117d24fe6b621cf63ee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] 6cc19c04777ae1495e18cef91fff44affd955d110b04de9a2b6536576c296b57
[INFO] running `Command { std: "docker" "start" "-a" "6cc19c04777ae1495e18cef91fff44affd955d110b04de9a2b6536576c296b57", kill_on_drop: false }`
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stderr]     Checking gitdb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `obscure_input`
[INFO] [stdout]    --> src/crypto.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub fn read_stdin(prompt: &str, obscure_input: bool) -> Result<String, String> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_obscure_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obscure_input`
[INFO] [stdout]    --> src/crypto.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub fn read_stdin(prompt: &str, obscure_input: bool) -> Result<String, String> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_obscure_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "6cc19c04777ae1495e18cef91fff44affd955d110b04de9a2b6536576c296b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc19c04777ae1495e18cef91fff44affd955d110b04de9a2b6536576c296b57", kill_on_drop: false }`
[INFO] [stdout] 6cc19c04777ae1495e18cef91fff44affd955d110b04de9a2b6536576c296b57