[INFO] fetching crate tcb 0.1.202... [INFO] testing tcb-0.1.202 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate tcb 0.1.202 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate tcb 0.1.202 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-3/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a54e9bfe6cfe4702e55a6a01791348fbe4e612cf11914c73b7a965e0f560649d [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" "a54e9bfe6cfe4702e55a6a01791348fbe4e612cf11914c73b7a965e0f560649d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a54e9bfe6cfe4702e55a6a01791348fbe4e612cf11914c73b7a965e0f560649d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a54e9bfe6cfe4702e55a6a01791348fbe4e612cf11914c73b7a965e0f560649d", kill_on_drop: false }` [INFO] [stdout] a54e9bfe6cfe4702e55a6a01791348fbe4e612cf11914c73b7a965e0f560649d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c3ccd68d65b39d2adc4c626ee33df91ee61031570add3ccc81a0388f121329f [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" "8c3ccd68d65b39d2adc4c626ee33df91ee61031570add3ccc81a0388f121329f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling smallvec v1.4.0 [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] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling bincode v1.2.1 [INFO] [stderr] Compiling 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_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] 285 | panic!("{}", error_message); [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 30.41s [INFO] running `Command { std: "docker" "inspect" "8c3ccd68d65b39d2adc4c626ee33df91ee61031570add3ccc81a0388f121329f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c3ccd68d65b39d2adc4c626ee33df91ee61031570add3ccc81a0388f121329f", kill_on_drop: false }` [INFO] [stdout] 8c3ccd68d65b39d2adc4c626ee33df91ee61031570add3ccc81a0388f121329f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] 2ac3ab85eca33a4089206f7408b96ba2cfc99f59b682e542a23d2b903bdf976f [INFO] running `Command { std: "docker" "start" "-a" "2ac3ab85eca33a4089206f7408b96ba2cfc99f59b682e542a23d2b903bdf976f", kill_on_drop: false }` [INFO] [stderr] Compiling 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_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] 285 | panic!("{}", error_message); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning 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: 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: 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_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] 285 | panic!("{}", error_message); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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 test [unoptimized + debuginfo] target(s) in 3.87s [INFO] running `Command { std: "docker" "inspect" "2ac3ab85eca33a4089206f7408b96ba2cfc99f59b682e542a23d2b903bdf976f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ac3ab85eca33a4089206f7408b96ba2cfc99f59b682e542a23d2b903bdf976f", kill_on_drop: false }` [INFO] [stdout] 2ac3ab85eca33a4089206f7408b96ba2cfc99f59b682e542a23d2b903bdf976f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] 586b1e1273f2be32ac4dde72f8a336e140b1005a52e98aa3a99fc0ee83c2bf00 [INFO] running `Command { std: "docker" "start" "-a" "586b1e1273f2be32ac4dde72f8a336e140b1005a52e98aa3a99fc0ee83c2bf00", kill_on_drop: false }` [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/vv/middleware/version_vector.rs:285:24 [INFO] [stderr] | [INFO] [stderr] 285 | panic!(error_message); [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] 285 | panic!("{}", error_message); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `tcb` (lib) generated 1 warning [INFO] [stderr] warning: `tcb` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: unused variable: `blocking_delivery` [INFO] [stderr] --> examples/vv_client.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | let blocking_delivery = vv.recv()?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocking_delivery` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `non_blocking_delivery` [INFO] [stderr] --> examples/vv_client.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let non_blocking_delivery = vv.try_recv()?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_blocking_delivery` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `timeout_delivery` [INFO] [stderr] --> examples/vv_client.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let timeout_delivery = vv.recv_timeout(Duration::from_secs(1))?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_delivery` [INFO] [stderr] [INFO] [stderr] warning: `tcb` (example "vv_client") generated 3 warnings [INFO] [stderr] warning: unused variable: `sent_message_context` [INFO] [stderr] --> examples/graph_client.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let sent_message_context = graph.send(serialized_message); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sent_message_context` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `non_blocking_delivery` [INFO] [stderr] --> examples/graph_client.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let non_blocking_delivery = graph.try_recv()?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_blocking_delivery` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `timeout_delivery` [INFO] [stderr] --> examples/graph_client.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let timeout_delivery = graph.recv_timeout(Duration::from_secs(1))?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_delivery` [INFO] [stderr] [INFO] [stderr] warning: `tcb` (example "graph_client") generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tcb-abc1fb591a2c9232) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tcb [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "586b1e1273f2be32ac4dde72f8a336e140b1005a52e98aa3a99fc0ee83c2bf00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "586b1e1273f2be32ac4dde72f8a336e140b1005a52e98aa3a99fc0ee83c2bf00", kill_on_drop: false }` [INFO] [stdout] 586b1e1273f2be32ac4dde72f8a336e140b1005a52e98aa3a99fc0ee83c2bf00