[INFO] fetching crate combine_rust 0.1.4...
[INFO] checking combine_rust-0.1.4 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate combine_rust 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate combine_rust 0.1.4
[INFO] finished tweaking crates.io crate combine_rust 0.1.4
[INFO] tweaked toml for crates.io crate combine_rust 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate combine_rust 0.1.4 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 combine_rust 0.1.4 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cf5fdd28c5732ddafd858d1018b1084c9b29cfcab11e2f7a14133e0af77e00fb
[INFO] running `Command { std: "docker" "start" "-a" "cf5fdd28c5732ddafd858d1018b1084c9b29cfcab11e2f7a14133e0af77e00fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf5fdd28c5732ddafd858d1018b1084c9b29cfcab11e2f7a14133e0af77e00fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5fdd28c5732ddafd858d1018b1084c9b29cfcab11e2f7a14133e0af77e00fb", kill_on_drop: false }`
[INFO] [stdout] cf5fdd28c5732ddafd858d1018b1084c9b29cfcab11e2f7a14133e0af77e00fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bc55675c538db72d1ceb5385c62de7649126074cc05259c7107e0cd9ce23b04d
[INFO] running `Command { std: "docker" "start" "-a" "bc55675c538db72d1ceb5385c62de7649126074cc05259c7107e0cd9ce23b04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking serde v1.0.132
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.73
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.7
[INFO] [stderr]     Checking combine_rust v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/combine.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Err(error) => return Err("Cant fetch") 
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/combine.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Err(error) => Err("Cant parse.")
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/combine.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Err(error) => return Err("Cant fetch") 
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/combine.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Err(error) => Err("Cant parse.")
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.60s
[INFO] running `Command { std: "docker" "inspect" "bc55675c538db72d1ceb5385c62de7649126074cc05259c7107e0cd9ce23b04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc55675c538db72d1ceb5385c62de7649126074cc05259c7107e0cd9ce23b04d", kill_on_drop: false }`
[INFO] [stdout] bc55675c538db72d1ceb5385c62de7649126074cc05259c7107e0cd9ce23b04d