[INFO] fetching crate mirai_rs 0.1.1... [INFO] checking mirai_rs-0.1.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate mirai_rs 0.1.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate mirai_rs 0.1.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mirai_rs 0.1.1 [INFO] finished tweaking crates.io crate mirai_rs 0.1.1 [INFO] tweaked toml for crates.io crate mirai_rs 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate mirai_rs 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6bf776f93168895844f56ba72d81a55b63d09ef5dd69f5c4b38b1c090e013ce [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" "a6bf776f93168895844f56ba72d81a55b63d09ef5dd69f5c4b38b1c090e013ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6bf776f93168895844f56ba72d81a55b63d09ef5dd69f5c4b38b1c090e013ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6bf776f93168895844f56ba72d81a55b63d09ef5dd69f5c4b38b1c090e013ce", kill_on_drop: false }` [INFO] [stdout] a6bf776f93168895844f56ba72d81a55b63d09ef5dd69f5c4b38b1c090e013ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 90570946cc5903ccb2a886a9f97be0e02e58e283075559db8b641d570ad3b01e [INFO] running `Command { std: "docker" "start" "-a" "90570946cc5903ccb2a886a9f97be0e02e58e283075559db8b641d570ad3b01e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling cc v1.0.51 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking arc-swap v0.4.6 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking smallvec v1.3.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking encoding_rs v0.8.22 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling pin-project-internal v0.4.9 [INFO] [stderr] Checking tokio v0.2.19 [INFO] [stderr] Checking pin-project v0.4.9 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.0 [INFO] [stderr] Checking h2 v0.2.4 [INFO] [stderr] Checking serde v1.0.106 [INFO] [stderr] Checking hyper v0.13.5 [INFO] [stderr] Checking hyper-tls v0.4.1 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking reqwest v0.10.4 [INFO] [stderr] Checking mirai_rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/session.rs:134:11 [INFO] [stdout] | [INFO] [stdout] 134 | #[serde(rename_all = "camelCase")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 135 | #[derive(Serialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | #[serde(tag = "type")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | #[derive(Debug, Clone, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:37:3 [INFO] [stdout] | [INFO] [stdout] 37 | #[serde(tag = "type")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 38 | #[derive(Clone, Debug, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:89:3 [INFO] [stdout] | [INFO] [stdout] 89 | #[serde(tag = "type")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 90 | #[derive(Clone, Debug, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:111:3 [INFO] [stdout] | [INFO] [stdout] 111 | #[serde(untagged)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 112 | #[derive(Clone, Debug, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:134:3 [INFO] [stdout] | [INFO] [stdout] 134 | #[serde(untagged)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 135 | #[derive(Debug, Clone, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/single.rs:26:3 [INFO] [stdout] | [INFO] [stdout] 26 | #[serde(tag = "type")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 27 | #[derive(Debug, Clone, Deserialize, Serialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/send.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | #[serde(rename_all = "camelCase")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | #[derive(Serialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/send.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | #[serde(rename_all = "camelCase")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | #[derive(Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/session.rs:134:11 [INFO] [stdout] | [INFO] [stdout] 134 | #[serde(rename_all = "camelCase")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 135 | #[derive(Serialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | #[serde(tag = "type")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | #[derive(Debug, Clone, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:37:3 [INFO] [stdout] | [INFO] [stdout] 37 | #[serde(tag = "type")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 38 | #[derive(Clone, Debug, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:89:3 [INFO] [stdout] | [INFO] [stdout] 89 | #[serde(tag = "type")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 90 | #[derive(Clone, Debug, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:111:3 [INFO] [stdout] | [INFO] [stdout] 111 | #[serde(untagged)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 112 | #[derive(Clone, Debug, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/event.rs:134:3 [INFO] [stdout] | [INFO] [stdout] 134 | #[serde(untagged)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 135 | #[derive(Debug, Clone, Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/single.rs:26:3 [INFO] [stdout] | [INFO] [stdout] 26 | #[serde(tag = "type")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 27 | #[derive(Debug, Clone, Deserialize, Serialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/send.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | #[serde(rename_all = "camelCase")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | #[derive(Serialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/message/send.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | #[serde(rename_all = "camelCase")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | #[derive(Deserialize)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/subscribe.rs:29:33 [INFO] [stdout] | [INFO] [stdout] 29 | ... subscriber.send(mp.clone()); // TODO: use Result [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 16s [INFO] running `Command { std: "docker" "inspect" "90570946cc5903ccb2a886a9f97be0e02e58e283075559db8b641d570ad3b01e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90570946cc5903ccb2a886a9f97be0e02e58e283075559db8b641d570ad3b01e", kill_on_drop: false }` [INFO] [stdout] 90570946cc5903ccb2a886a9f97be0e02e58e283075559db8b641d570ad3b01e