[INFO] fetching crate stash 0.1.4...
[INFO] checking stash-0.1.4 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate stash 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stash 0.1.4 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stash 0.1.4
[INFO] finished tweaking crates.io crate stash 0.1.4
[INFO] tweaked toml for crates.io crate stash 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate stash 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", 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] 07fc4aaadda20e465a19d6ad66f9eae0dab1f9de03088af5f08f44d685ec9fdf
[INFO] running `Command { std: "docker" "start" "-a" "07fc4aaadda20e465a19d6ad66f9eae0dab1f9de03088af5f08f44d685ec9fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fc4aaadda20e465a19d6ad66f9eae0dab1f9de03088af5f08f44d685ec9fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fc4aaadda20e465a19d6ad66f9eae0dab1f9de03088af5f08f44d685ec9fdf", kill_on_drop: false }`
[INFO] [stdout] 07fc4aaadda20e465a19d6ad66f9eae0dab1f9de03088af5f08f44d685ec9fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b021240cab954b57dd0917410ff22c23aaa559231d593002e958b2026db14841
[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" "b021240cab954b57dd0917410ff22c23aaa559231d593002e958b2026db14841", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking stash v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unique_stash/mod.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> benches/unique_stash.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unique_stash/mod.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 11.15s
[INFO] running `Command { std: "docker" "inspect" "b021240cab954b57dd0917410ff22c23aaa559231d593002e958b2026db14841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b021240cab954b57dd0917410ff22c23aaa559231d593002e958b2026db14841", kill_on_drop: false }`
[INFO] [stdout] b021240cab954b57dd0917410ff22c23aaa559231d593002e958b2026db14841