[INFO] fetching crate stackful 0.1.0... [INFO] checking stackful-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate stackful 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate stackful 0.1.0 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 stackful 0.1.0 [INFO] finished tweaking crates.io crate stackful 0.1.0 [INFO] tweaked toml for crates.io crate stackful 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate stackful 0.1.0 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 gloo-timers v0.2.1 [INFO] [stderr] Downloaded pin-project-internal v0.4.17 [INFO] [stderr] Downloaded syn v1.0.30 [INFO] [stderr] Downloaded send_wrapper v0.4.0 [INFO] [stderr] Downloaded crossbeam-queue v0.2.2 [INFO] [stderr] Downloaded smol v0.1.10 [INFO] [stderr] Downloaded pin-project-lite v0.1.6 [INFO] [stderr] Downloaded pin-project v0.4.17 [INFO] [stderr] Downloaded kv-log-macro v1.0.6 [INFO] [stderr] Downloaded async-task v3.0.0 [INFO] [stderr] Downloaded wepoll-binding v2.0.2 [INFO] [stderr] Downloaded piper v0.1.3 [INFO] [stderr] Downloaded futures-executor v0.3.5 [INFO] [stderr] Downloaded bumpalo v3.3.0 [INFO] [stderr] Downloaded futures-io v0.3.5 [INFO] [stderr] Downloaded proc-macro-hack v0.5.16 [INFO] [stderr] Downloaded scoped-tls-hkt v0.1.2 [INFO] [stderr] Downloaded wepoll-sys v2.0.0 [INFO] [stderr] Downloaded async-std v1.6.0 [INFO] [stderr] Downloaded futures v0.3.5 [INFO] [stderr] Downloaded futures-macro v0.3.5 [INFO] [stderr] Downloaded futures-timer v3.0.2 [INFO] [stderr] Downloaded proc-macro-nested v0.1.4 [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] [stdout] e0fe0c5c95056a535bac4deb438b26359cc92d3305109d83920371402ed0f70a [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" "e0fe0c5c95056a535bac4deb438b26359cc92d3305109d83920371402ed0f70a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0fe0c5c95056a535bac4deb438b26359cc92d3305109d83920371402ed0f70a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0fe0c5c95056a535bac4deb438b26359cc92d3305109d83920371402ed0f70a", kill_on_drop: false }` [INFO] [stdout] e0fe0c5c95056a535bac4deb438b26359cc92d3305109d83920371402ed0f70a [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] [stdout] abf34184a242094c0a119f6b237d21afa72f530cf7834b25c321c723ab11d915 [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" "abf34184a242094c0a119f6b237d21afa72f530cf7834b25c321c723ab11d915", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Checking scoped-tls-hkt v0.1.2 [INFO] [stderr] Checking async-task v3.0.0 [INFO] [stderr] Checking pin-project-lite v0.1.6 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking kv-log-macro v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Compiling stackful v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking crossbeam-queue v0.2.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Checking pin-project v0.4.17 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking piper v0.1.3 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking smol v0.1.10 [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:164:28 [INFO] [stdout] | [INFO] [stdout] 164 | None => panic!(DropPanic), [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] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 164 | None => panic!("{}", DropPanic), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 164 | None => std::panic::panic_any(DropPanic), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking async-std v1.6.0 [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:164:28 [INFO] [stdout] | [INFO] [stdout] 164 | None => panic!(DropPanic), [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] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 164 | None => panic!("{}", DropPanic), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 164 | None => std::panic::panic_any(DropPanic), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.74s [INFO] running `Command { std: "docker" "inspect" "abf34184a242094c0a119f6b237d21afa72f530cf7834b25c321c723ab11d915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abf34184a242094c0a119f6b237d21afa72f530cf7834b25c321c723ab11d915", kill_on_drop: false }` [INFO] [stdout] abf34184a242094c0a119f6b237d21afa72f530cf7834b25c321c723ab11d915