[INFO] fetching crate tcb 0.1.202... [INFO] checking tcb-0.1.202 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate tcb 0.1.202 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate tcb 0.1.202 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tcb 0.1.202 [INFO] finished tweaking crates.io crate tcb 0.1.202 [INFO] tweaked toml for crates.io crate tcb 0.1.202 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate tcb 0.1.202 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94b8db7d7194ddc2b65c7f5eb18b745e17ee0373fdd73682c50472884c781ee7 [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" "94b8db7d7194ddc2b65c7f5eb18b745e17ee0373fdd73682c50472884c781ee7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94b8db7d7194ddc2b65c7f5eb18b745e17ee0373fdd73682c50472884c781ee7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94b8db7d7194ddc2b65c7f5eb18b745e17ee0373fdd73682c50472884c781ee7", kill_on_drop: false }` [INFO] [stdout] 94b8db7d7194ddc2b65c7f5eb18b745e17ee0373fdd73682c50472884c781ee7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] ad56ddbb39726e4a28fa46cf6620b0290bda055264424814864d247fe5336efe [INFO] running `Command { std: "docker" "start" "-a" "ad56ddbb39726e4a28fa46cf6620b0290bda055264424814864d247fe5336efe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking bit-vec v0.6.2 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Checking tcb v0.1.202 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/vv/middleware/version_vector.rs:285:24 [INFO] [stdout] | [INFO] [stdout] 285 | panic!(error_message); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 285 | panic!("{}", error_message); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 285 | std::panic::panic_any(error_message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/vv/middleware/version_vector.rs:285:24 [INFO] [stdout] | [INFO] [stdout] 285 | panic!(error_message); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 285 | panic!("{}", error_message); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 285 | std::panic::panic_any(error_message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sent_message_context` [INFO] [stdout] --> examples/graph_client.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let sent_message_context = graph.send(serialized_message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sent_message_context` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `non_blocking_delivery` [INFO] [stdout] --> examples/graph_client.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let non_blocking_delivery = graph.try_recv()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_blocking_delivery` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout_delivery` [INFO] [stdout] --> examples/graph_client.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let timeout_delivery = graph.recv_timeout(Duration::from_secs(1))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_delivery` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `blocking_delivery` [INFO] [stdout] --> examples/vv_client.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let blocking_delivery = vv.recv()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocking_delivery` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `non_blocking_delivery` [INFO] [stdout] --> examples/vv_client.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let non_blocking_delivery = vv.try_recv()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_blocking_delivery` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout_delivery` [INFO] [stdout] --> examples/vv_client.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let timeout_delivery = vv.recv_timeout(Duration::from_secs(1))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_delivery` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.57s [INFO] running `Command { std: "docker" "inspect" "ad56ddbb39726e4a28fa46cf6620b0290bda055264424814864d247fe5336efe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad56ddbb39726e4a28fa46cf6620b0290bda055264424814864d247fe5336efe", kill_on_drop: false }` [INFO] [stdout] ad56ddbb39726e4a28fa46cf6620b0290bda055264424814864d247fe5336efe