[INFO] fetching crate stackful 0.1.0... [INFO] testing stackful-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [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 ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures v0.3.5 [INFO] [stderr] Downloaded futures-macro v0.3.5 [INFO] [stderr] Downloaded scoped-tls-hkt v0.1.2 [INFO] [stderr] Downloaded gloo-timers v0.2.1 [INFO] [stderr] Downloaded send_wrapper v0.4.0 [INFO] [stderr] Downloaded async-task v3.0.0 [INFO] [stderr] Downloaded piper v0.1.3 [INFO] [stderr] Downloaded pin-project-lite v0.1.6 [INFO] [stderr] Downloaded crossbeam-queue v0.2.2 [INFO] [stderr] Downloaded wepoll-binding v2.0.2 [INFO] [stderr] Downloaded proc-macro-hack v0.5.16 [INFO] [stderr] Downloaded kv-log-macro v1.0.6 [INFO] [stderr] Downloaded async-std v1.6.0 [INFO] [stderr] Downloaded syn v1.0.30 [INFO] [stderr] Downloaded futures-executor v0.3.5 [INFO] [stderr] Downloaded proc-macro-nested v0.1.4 [INFO] [stderr] Downloaded futures-io v0.3.5 [INFO] [stderr] Downloaded pin-project v0.4.17 [INFO] [stderr] Downloaded futures-timer v3.0.2 [INFO] [stderr] Downloaded wepoll-sys v2.0.0 [INFO] [stderr] Downloaded smol v0.1.10 [INFO] [stderr] Downloaded bumpalo v3.3.0 [INFO] [stderr] Downloaded pin-project-internal v0.4.17 [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ade192347576d34dee472760b064181d84bba8ff821d9cc46612c164df876af [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" "8ade192347576d34dee472760b064181d84bba8ff821d9cc46612c164df876af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ade192347576d34dee472760b064181d84bba8ff821d9cc46612c164df876af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ade192347576d34dee472760b064181d84bba8ff821d9cc46612c164df876af", kill_on_drop: false }` [INFO] [stdout] 8ade192347576d34dee472760b064181d84bba8ff821d9cc46612c164df876af [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e2f08cd27200b6dc5a8c77f06f696a7ef0f4f53e4c756a8ddcec2d17daaa8b64 [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" "e2f08cd27200b6dc5a8c77f06f696a7ef0f4f53e4c756a8ddcec2d17daaa8b64", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling stackful v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling pin-project v0.4.17 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling futures-executor v0.3.5 [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 17.21s [INFO] running `Command { std: "docker" "inspect" "e2f08cd27200b6dc5a8c77f06f696a7ef0f4f53e4c756a8ddcec2d17daaa8b64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2f08cd27200b6dc5a8c77f06f696a7ef0f4f53e4c756a8ddcec2d17daaa8b64", kill_on_drop: false }` [INFO] [stdout] e2f08cd27200b6dc5a8c77f06f696a7ef0f4f53e4c756a8ddcec2d17daaa8b64 [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8783ddc55553b531a72a32b2ebe1e4f2a235ee1df086fcbb4f932b64ec7d273 [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" "a8783ddc55553b531a72a32b2ebe1e4f2a235ee1df086fcbb4f932b64ec7d273", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling scoped-tls-hkt v0.1.2 [INFO] [stderr] Compiling async-task v3.0.0 [INFO] [stderr] Compiling pin-project-lite v0.1.6 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-queue v0.2.2 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling piper v0.1.3 [INFO] [stderr] Compiling futures v0.3.5 [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] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling kv-log-macro v1.0.6 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling smol v0.1.10 [INFO] [stderr] Compiling async-std v1.6.0 [INFO] [stderr] Compiling stackful v0.1.0 (/opt/rustwide/workdir) [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 test [unoptimized + debuginfo] target(s) in 17.95s [INFO] running `Command { std: "docker" "inspect" "a8783ddc55553b531a72a32b2ebe1e4f2a235ee1df086fcbb4f932b64ec7d273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8783ddc55553b531a72a32b2ebe1e4f2a235ee1df086fcbb4f932b64ec7d273", kill_on_drop: false }` [INFO] [stdout] a8783ddc55553b531a72a32b2ebe1e4f2a235ee1df086fcbb4f932b64ec7d273 [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 983d48fcaa1ab5a75435f93aba43499715f148010a5a72ff64c14f500aec2db1 [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" "983d48fcaa1ab5a75435f93aba43499715f148010a5a72ff64c14f500aec2db1", kill_on_drop: false }` [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:164:28 [INFO] [stderr] | [INFO] [stderr] 164 | None => panic!(DropPanic), [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 164 | None => panic!("{}", DropPanic), [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 164 | None => std::panic::panic_any(DropPanic), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:164:28 [INFO] [stderr] | [INFO] [stderr] 164 | None => panic!(DropPanic), [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 164 | None => panic!("{}", DropPanic), [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 164 | None => std::panic::panic_any(DropPanic), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stackful-b1b36ffbb5232dca) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test drop_after_polling ... ok [INFO] [stdout] test drop_before_polling ... ok [INFO] [stdout] test panick - should panic ... ok [INFO] [stderr] Doc-tests stackful [INFO] [stdout] test test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 30) ... ok [INFO] [stdout] test src/lib.rs - (line 40) ... ok [INFO] [stdout] test src/lib.rs - (line 21) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.74s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "983d48fcaa1ab5a75435f93aba43499715f148010a5a72ff64c14f500aec2db1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "983d48fcaa1ab5a75435f93aba43499715f148010a5a72ff64c14f500aec2db1", kill_on_drop: false }` [INFO] [stdout] 983d48fcaa1ab5a75435f93aba43499715f148010a5a72ff64c14f500aec2db1