[INFO] fetching crate fexr 0.1.0...
[INFO] checking fexr-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate fexr 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fexr 0.1.0
[INFO] finished tweaking crates.io crate fexr 0.1.0
[INFO] tweaked toml for crates.io crate fexr 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fexr 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fexr 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e72e061a670a24a0e620e7b25ddd1813e79d558d554df347f221d3d7439c78d3
[INFO] running `Command { std: "docker" "start" "-a" "e72e061a670a24a0e620e7b25ddd1813e79d558d554df347f221d3d7439c78d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e72e061a670a24a0e620e7b25ddd1813e79d558d554df347f221d3d7439c78d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72e061a670a24a0e620e7b25ddd1813e79d558d554df347f221d3d7439c78d3", kill_on_drop: false }`
[INFO] [stdout] e72e061a670a24a0e620e7b25ddd1813e79d558d554df347f221d3d7439c78d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac6f27cab609d4cfdb2172ace54f3ad9c5ef960b8b25275d327f42a71acab6b4
[INFO] running `Command { std: "docker" "start" "-a" "ac6f27cab609d4cfdb2172ace54f3ad9c5ef960b8b25275d327f42a71acab6b4", kill_on_drop: false }`
[INFO] [stderr]     Checking fexr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMS_URL` is never used
[INFO] [stdout]  --> src/client.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const FMS_URL: &str = "https://management.getfexr.com/fcrs/";
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FCRS_URL` is never used
[INFO] [stdout]  --> src/client.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const FCRS_URL: &str = "https://management.getfexr.com/fcrs/";
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FABS_URL` is never used
[INFO] [stdout]  --> src/client.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const FABS_URL: &str = "https://management.getfexr.com/fcrs/";
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FexrRestClient` is never constructed
[INFO] [stdout]  --> src/client.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FexrRestClient {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMS_URL` is never used
[INFO] [stdout]  --> src/client.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const FMS_URL: &str = "https://management.getfexr.com/fcrs/";
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FCRS_URL` is never used
[INFO] [stdout]  --> src/client.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const FCRS_URL: &str = "https://management.getfexr.com/fcrs/";
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FABS_URL` is never used
[INFO] [stdout]  --> src/client.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const FABS_URL: &str = "https://management.getfexr.com/fcrs/";
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FexrRestClient` is never constructed
[INFO] [stdout]  --> src/client.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FexrRestClient {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "ac6f27cab609d4cfdb2172ace54f3ad9c5ef960b8b25275d327f42a71acab6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6f27cab609d4cfdb2172ace54f3ad9c5ef960b8b25275d327f42a71acab6b4", kill_on_drop: false }`
[INFO] [stdout] ac6f27cab609d4cfdb2172ace54f3ad9c5ef960b8b25275d327f42a71acab6b4