[INFO] cloning repository https://github.com/json-schema-language/jsl-infer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/json-schema-language/jsl-infer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-schema-language%2Fjsl-infer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-schema-language%2Fjsl-infer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 634c5a1d9326a0fb0dae54f09b05136a1abb08d6 [INFO] checking json-schema-language/jsl-infer against master#4e1f5d90bca45207605a88e39b1f76abcdb85d2f for pr-123962 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-schema-language%2Fjsl-infer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/json-schema-language/jsl-infer on toolchain 4e1f5d90bca45207605a88e39b1f76abcdb85d2f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/json-schema-language/jsl-infer [INFO] finished tweaking git repo https://github.com/json-schema-language/jsl-infer [INFO] tweaked toml for git repo https://github.com/json-schema-language/jsl-infer written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/json-schema-language/jsl-infer 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" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking json-schema-language/jsl-infer against try#035f40fb95ac1c79b50f07e65650460f3d11e207 for pr-123962 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-schema-language%2Fjsl-infer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/json-schema-language/jsl-infer on toolchain 035f40fb95ac1c79b50f07e65650460f3d11e207 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/json-schema-language/jsl-infer [INFO] finished tweaking git repo https://github.com/json-schema-language/jsl-infer [INFO] tweaked toml for git repo https://github.com/json-schema-language/jsl-infer written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/json-schema-language/jsl-infer 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" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termion v1.5.3 [INFO] [stderr] Downloaded json-pointer v0.3.2 [INFO] [stderr] Downloaded backtrace v0.3.30 [INFO] [stderr] Downloaded syn v0.15.36 [INFO] [stderr] Downloaded jsl v0.2.4 [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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f6b096146fa4925bd600574fbb775227c9c48f754e0804929e29f6abdf81fc1 [INFO] running `Command { std: "docker" "start" "-a" "6f6b096146fa4925bd600574fbb775227c9c48f754e0804929e29f6abdf81fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f6b096146fa4925bd600574fbb775227c9c48f754e0804929e29f6abdf81fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f6b096146fa4925bd600574fbb775227c9c48f754e0804929e29f6abdf81fc1", kill_on_drop: false }` [INFO] [stdout] 6f6b096146fa4925bd600574fbb775227c9c48f754e0804929e29f6abdf81fc1 [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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b38d50cfaa0fc361a561fae27082b5d582aea32aa6fc5985a5f3a77e879e1a6 [INFO] running `Command { std: "docker" "start" "-a" "1b38d50cfaa0fc361a561fae27082b5d582aea32aa6fc5985a5f3a77e879e1a6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking serde v1.0.92 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking json-pointer v0.3.2 [INFO] [stderr] Checking jsl v0.2.4 [INFO] [stderr] Checking jsl-infer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:42:41 [INFO] [stdout] | [INFO] [stdout] 42 | "-" => Box::new(stdin()) as Box, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | "-" => Box::new(stdin()) as Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:43:56 [INFO] [stdout] | [INFO] [stdout] 43 | file @ _ => Box::new(File::open(file)?) as Box, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 | file @ _ => Box::new(File::open(file)?) as Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:42:41 [INFO] [stdout] | [INFO] [stdout] 42 | "-" => Box::new(stdin()) as Box, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | "-" => Box::new(stdin()) as Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:43:56 [INFO] [stdout] | [INFO] [stdout] 43 | file @ _ => Box::new(File::open(file)?) as Box, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 | file @ _ => Box::new(File::open(file)?) as Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&std::string::String` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:233:52 [INFO] [stdout] | [INFO] [stdout] 233 | .filter(|k| !map.contains_key(k.clone())) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&std::string::String` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:233:52 [INFO] [stdout] | [INFO] [stdout] 233 | .filter(|k| !map.contains_key(k.clone())) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.76s [INFO] running `Command { std: "docker" "inspect" "1b38d50cfaa0fc361a561fae27082b5d582aea32aa6fc5985a5f3a77e879e1a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b38d50cfaa0fc361a561fae27082b5d582aea32aa6fc5985a5f3a77e879e1a6", kill_on_drop: false }` [INFO] [stdout] 1b38d50cfaa0fc361a561fae27082b5d582aea32aa6fc5985a5f3a77e879e1a6