[INFO] fetching crate persist 1.0.0...
[INFO] checking persist-1.0.0 against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] extracting crate persist 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate persist 1.0.0
[INFO] finished tweaking crates.io crate persist 1.0.0
[INFO] tweaked toml for crates.io crate persist 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate persist 1.0.0 on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate persist 1.0.0 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35898c177c58619049d9161027112137d3633fddc7f6f9206b786dbcf77ae5c5
[INFO] running `Command { std: "docker" "start" "-a" "35898c177c58619049d9161027112137d3633fddc7f6f9206b786dbcf77ae5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35898c177c58619049d9161027112137d3633fddc7f6f9206b786dbcf77ae5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35898c177c58619049d9161027112137d3633fddc7f6f9206b786dbcf77ae5c5", kill_on_drop: false }`
[INFO] [stdout] 35898c177c58619049d9161027112137d3633fddc7f6f9206b786dbcf77ae5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c791f201c8b47311a2ea9b385ba7eb2e13a4c9431e6d7df77ceddbd858ec0554
[INFO] running `Command { std: "docker" "start" "-a" "c791f201c8b47311a2ea9b385ba7eb2e13a4c9431e6d7df77ceddbd858ec0554", kill_on_drop: false }`
[INFO] [stderr]     Checking persist v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::value::Value`
[INFO] [stdout]  --> src/convert.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::value::Value;
[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: `crate::value::Value`
[INFO] [stdout]  --> src/convert.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::value::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATA_SENTINEL` is never used
[INFO] [stdout]   --> src/convert.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) const DATA_SENTINEL: &str = "$persist:data";
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex_encode` is never used
[INFO] [stdout]   --> src/convert.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) fn hex_encode(bytes: &[u8]) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex_decode` is never used
[INFO] [stdout]   --> src/convert.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) fn hex_decode(s: &str) -> Option<Vec<u8>> {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATA_SENTINEL` is never used
[INFO] [stdout]   --> src/convert.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) const DATA_SENTINEL: &str = "$persist:data";
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "c791f201c8b47311a2ea9b385ba7eb2e13a4c9431e6d7df77ceddbd858ec0554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c791f201c8b47311a2ea9b385ba7eb2e13a4c9431e6d7df77ceddbd858ec0554", kill_on_drop: false }`
[INFO] [stdout] c791f201c8b47311a2ea9b385ba7eb2e13a4c9431e6d7df77ceddbd858ec0554
