[INFO] fetching crate thruster-cli 0.7.5...
[INFO] checking thruster-cli-0.7.5 against beta for pr-78714
[INFO] extracting crate thruster-cli 0.7.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate thruster-cli 0.7.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thruster-cli 0.7.5
[INFO] finished tweaking crates.io crate thruster-cli 0.7.5
[INFO] tweaked toml for crates.io crate thruster-cli 0.7.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuel_line v0.1.2
[INFO] [stderr]   Downloaded fuel_line_derive v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] e7ebdb7e32e62f41c095363beb637a26c0b5a3b7da370005e27e5e3dbbd25146
[INFO] running `Command { std: "docker" "start" "-a" "e7ebdb7e32e62f41c095363beb637a26c0b5a3b7da370005e27e5e3dbbd25146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7ebdb7e32e62f41c095363beb637a26c0b5a3b7da370005e27e5e3dbbd25146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ebdb7e32e62f41c095363beb637a26c0b5a3b7da370005e27e5e3dbbd25146", kill_on_drop: false }`
[INFO] [stdout] e7ebdb7e32e62f41c095363beb637a26c0b5a3b7da370005e27e5e3dbbd25146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 969684e1ebede955f7421ae69673d96df988519c40d74ce865fab5318a22b932
[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" "969684e1ebede955f7421ae69673d96df988519c40d74ce865fab5318a22b932", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling fuel_line_derive v0.1.2
[INFO] [stderr]     Checking fuel_line v0.1.2
[INFO] [stderr]     Checking thruster-cli v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate fuel_line;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate fuel_line;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/generator.rs:243:3
[INFO] [stdout]     |
[INFO] [stdout] 243 |   create_dir("migrations");
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/generator.rs:243:3
[INFO] [stdout]     |
[INFO] [stdout] 243 |   create_dir("migrations");
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.54s
[INFO] running `Command { std: "docker" "inspect" "969684e1ebede955f7421ae69673d96df988519c40d74ce865fab5318a22b932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969684e1ebede955f7421ae69673d96df988519c40d74ce865fab5318a22b932", kill_on_drop: false }`
[INFO] [stdout] 969684e1ebede955f7421ae69673d96df988519c40d74ce865fab5318a22b932