[INFO] fetching crate yaml-rust 0.4.5... [INFO] checking yaml-rust-0.4.5 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate yaml-rust 0.4.5 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate yaml-rust 0.4.5 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate yaml-rust 0.4.5 [INFO] finished tweaking crates.io crate yaml-rust 0.4.5 [INFO] tweaked toml for crates.io crate yaml-rust 0.4.5 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate yaml-rust 0.4.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 2afe4f9c367d00cd1e3d8f85f16ca62740937a60bdcb65d681b2a7eca68b5376 [INFO] running `Command { std: "docker" "start" "-a" "2afe4f9c367d00cd1e3d8f85f16ca62740937a60bdcb65d681b2a7eca68b5376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2afe4f9c367d00cd1e3d8f85f16ca62740937a60bdcb65d681b2a7eca68b5376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2afe4f9c367d00cd1e3d8f85f16ca62740937a60bdcb65d681b2a7eca68b5376", kill_on_drop: false }` [INFO] [stdout] 2afe4f9c367d00cd1e3d8f85f16ca62740937a60bdcb65d681b2a7eca68b5376 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e1428f7f1f109e181b1a07e21ea355f51ebe61e57e265844e3c878bdf37cd931 [INFO] running `Command { std: "docker" "start" "-a" "e1428f7f1f109e181b1a07e21ea355f51ebe61e57e265844e3c878bdf37cd931", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking yaml-rust v0.4.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/emitter.rs:368:30 [INFO] [stdout] | [INFO] [stdout] 368 | Err(e) => panic!(format!("{}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 368 | Err(e) => panic!("{}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/emitter.rs:405:30 [INFO] [stdout] | [INFO] [stdout] 405 | Err(e) => panic!(format!("{}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 405 | Err(e) => panic!("{}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.85s [INFO] running `Command { std: "docker" "inspect" "e1428f7f1f109e181b1a07e21ea355f51ebe61e57e265844e3c878bdf37cd931", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1428f7f1f109e181b1a07e21ea355f51ebe61e57e265844e3c878bdf37cd931", kill_on_drop: false }` [INFO] [stdout] e1428f7f1f109e181b1a07e21ea355f51ebe61e57e265844e3c878bdf37cd931