[INFO] fetching crate rtran 0.1.0...
[INFO] checking rtran-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate rtran 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rtran 0.1.0
[INFO] finished tweaking crates.io crate rtran 0.1.0
[INFO] tweaked toml for crates.io crate rtran 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtran 0.1.0 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 rtran 0.1.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28ddc486db6ca1a640fdc2bdbf9a077bc6735943f5f1a1de6cf86df71b9dda8f
[INFO] running `Command { std: "docker" "start" "-a" "28ddc486db6ca1a640fdc2bdbf9a077bc6735943f5f1a1de6cf86df71b9dda8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ddc486db6ca1a640fdc2bdbf9a077bc6735943f5f1a1de6cf86df71b9dda8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ddc486db6ca1a640fdc2bdbf9a077bc6735943f5f1a1de6cf86df71b9dda8f", kill_on_drop: false }`
[INFO] [stdout] 28ddc486db6ca1a640fdc2bdbf9a077bc6735943f5f1a1de6cf86df71b9dda8f
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ecaef0611f873ef5d92d86269d321274ff96537a8409a88859593e13f6e72da
[INFO] running `Command { std: "docker" "start" "-a" "3ecaef0611f873ef5d92d86269d321274ff96537a8409a88859593e13f6e72da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking openssl-sys v0.9.72
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking openssl v0.10.38
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling clap_derive v3.0.5
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking clap v3.0.5
[INFO] [stderr]     Checking serde v1.0.133
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.10
[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 v0.11.8
[INFO] [stderr]     Checking rtran v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         online_translate(word.unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = online_translate(word.unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         online_translate(word.unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = online_translate(word.unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.77s
[INFO] running `Command { std: "docker" "inspect" "3ecaef0611f873ef5d92d86269d321274ff96537a8409a88859593e13f6e72da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ecaef0611f873ef5d92d86269d321274ff96537a8409a88859593e13f6e72da", kill_on_drop: false }`
[INFO] [stdout] 3ecaef0611f873ef5d92d86269d321274ff96537a8409a88859593e13f6e72da