[INFO] fetching crate jupyterm 0.1.0... [INFO] checking jupyterm-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate jupyterm 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate jupyterm 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jupyterm 0.1.0 [INFO] finished tweaking crates.io crate jupyterm 0.1.0 [INFO] tweaked toml for crates.io crate jupyterm 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate jupyterm 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded paste v0.1.18 [INFO] [stderr] Downloaded typenum v1.12.0 [INFO] [stderr] Downloaded pyo3cls v0.12.3 [INFO] [stderr] Downloaded unindent v0.1.7 [INFO] [stderr] Downloaded cpuid-bool v0.1.2 [INFO] [stderr] Downloaded pyo3-derive-backend v0.12.3 [INFO] [stderr] Downloaded sha2 v0.9.1 [INFO] [stderr] Downloaded ctor v0.1.16 [INFO] [stderr] Downloaded inventory-impl v0.1.9 [INFO] [stderr] Downloaded instant v0.1.8 [INFO] [stderr] Downloaded crypto-mac v0.10.0 [INFO] [stderr] Downloaded indoc-impl v0.3.6 [INFO] [stderr] Downloaded hex v0.4.2 [INFO] [stderr] Downloaded lock_api v0.4.1 [INFO] [stderr] Downloaded parking_lot v0.11.0 [INFO] [stderr] Downloaded cloudabi v0.1.0 [INFO] [stderr] Downloaded subtle v2.3.0 [INFO] [stderr] Downloaded indoc v0.3.6 [INFO] [stderr] Downloaded ghost v0.1.2 [INFO] [stderr] Downloaded inventory v0.1.9 [INFO] [stderr] Downloaded smallvec v1.4.2 [INFO] [stderr] Downloaded parking_lot_core v0.8.0 [INFO] [stderr] Downloaded paste-impl v0.1.18 [INFO] [stderr] Downloaded proc-macro-hack v0.5.18 [INFO] [stderr] Downloaded pyo3 v0.12.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4788d7e54bf8a7457c91db624acaac149ed06026b72d75d4a37b46cbdefc04fb [INFO] running `Command { std: "docker" "start" "-a" "4788d7e54bf8a7457c91db624acaac149ed06026b72d75d4a37b46cbdefc04fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4788d7e54bf8a7457c91db624acaac149ed06026b72d75d4a37b46cbdefc04fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4788d7e54bf8a7457c91db624acaac149ed06026b72d75d4a37b46cbdefc04fb", kill_on_drop: false }` [INFO] [stdout] 4788d7e54bf8a7457c91db624acaac149ed06026b72d75d4a37b46cbdefc04fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ffd72a3d6a71c25cbd61a0a68cafa06c9106cbe4ba136f2f579b54fcc6e8986 [INFO] running `Command { std: "docker" "start" "-a" "8ffd72a3d6a71c25cbd61a0a68cafa06c9106cbe4ba136f2f579b54fcc6e8986", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Checking instant v0.1.8 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling inventory v0.1.9 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Compiling pyo3 v0.12.3 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Checking subtle v2.3.0 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.10.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking hmac v0.10.1 [INFO] [stderr] Checking sha2 v0.9.1 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Compiling pyo3-derive-backend v0.12.3 [INFO] [stderr] Compiling inventory-impl v0.1.9 [INFO] [stderr] Compiling ghost v0.1.2 [INFO] [stderr] Compiling ctor v0.1.16 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling pyo3cls v0.12.3 [INFO] [stderr] Checking indoc v0.3.6 [INFO] [stderr] Checking jupyterm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `zmq` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use zmq; [INFO] [stdout] | ^^^ the item `zmq` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zmq` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use zmq; [INFO] [stdout] | ^^^ the item `zmq` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut channel: zmq::Socket; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut channel: zmq::Socket; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `execution_state` is never read [INFO] [stdout] --> src/main.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | let mut execution_state = "idle"; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_of` is never used [INFO] [stdout] --> src/main.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn print_type_of(_: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key` is never read [INFO] [stdout] --> src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | struct Session { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 53 | key: Value, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `execution_state` is never read [INFO] [stdout] --> src/main.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | let mut execution_state = "idle"; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_of` is never used [INFO] [stdout] --> src/main.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn print_type_of(_: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key` is never read [INFO] [stdout] --> src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | struct Session { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 53 | key: Value, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.69s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.12.3, pyo3-derive-backend v0.12.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "8ffd72a3d6a71c25cbd61a0a68cafa06c9106cbe4ba136f2f579b54fcc6e8986", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ffd72a3d6a71c25cbd61a0a68cafa06c9106cbe4ba136f2f579b54fcc6e8986", kill_on_drop: false }` [INFO] [stdout] 8ffd72a3d6a71c25cbd61a0a68cafa06c9106cbe4ba136f2f579b54fcc6e8986 [INFO] checking jupyterm-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate jupyterm 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate jupyterm 0.1.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jupyterm 0.1.0 [INFO] finished tweaking crates.io crate jupyterm 0.1.0 [INFO] tweaked toml for crates.io crate jupyterm 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate jupyterm 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 264eb41d2b20f5da1a1b2eef16da86e1aacd0f2fa841d89f459b406142969650 [INFO] running `Command { std: "docker" "start" "-a" "264eb41d2b20f5da1a1b2eef16da86e1aacd0f2fa841d89f459b406142969650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "264eb41d2b20f5da1a1b2eef16da86e1aacd0f2fa841d89f459b406142969650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "264eb41d2b20f5da1a1b2eef16da86e1aacd0f2fa841d89f459b406142969650", kill_on_drop: false }` [INFO] [stdout] 264eb41d2b20f5da1a1b2eef16da86e1aacd0f2fa841d89f459b406142969650 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64314899ff26b360c2a9ce277bd6be577ac3a800b1bf67680f011bf512217e80 [INFO] running `Command { std: "docker" "start" "-a" "64314899ff26b360c2a9ce277bd6be577ac3a800b1bf67680f011bf512217e80", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking instant v0.1.8 [INFO] [stderr] Compiling inventory v0.1.9 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling pyo3 v0.12.3 [INFO] [stderr] Checking subtle v2.3.0 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.10.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking sha2 v0.9.1 [INFO] [stderr] Checking hmac v0.10.1 [INFO] [stderr] Compiling pyo3-derive-backend v0.12.3 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling inventory-impl v0.1.9 [INFO] [stderr] Compiling ctor v0.1.16 [INFO] [stderr] Compiling ghost v0.1.2 [INFO] [stderr] Checking indoc v0.3.6 [INFO] [stderr] Compiling pyo3cls v0.12.3 [INFO] [stderr] Checking jupyterm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `zmq` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use zmq; [INFO] [stdout] | ^^^ the item `zmq` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zmq` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use zmq; [INFO] [stdout] | ^^^ the item `zmq` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut channel: zmq::Socket; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut channel: zmq::Socket; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `execution_state` is never read [INFO] [stdout] --> src/main.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | let mut execution_state = "idle"; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_of` is never used [INFO] [stdout] --> src/main.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn print_type_of(_: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key` is never read [INFO] [stdout] --> src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | struct Session { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 53 | key: Value, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `execution_state` is never read [INFO] [stdout] --> src/main.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | let mut execution_state = "idle"; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_of` is never used [INFO] [stdout] --> src/main.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn print_type_of(_: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key` is never read [INFO] [stdout] --> src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | struct Session { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 53 | key: Value, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.27s [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.12.3, pyo3-derive-backend v0.12.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "64314899ff26b360c2a9ce277bd6be577ac3a800b1bf67680f011bf512217e80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64314899ff26b360c2a9ce277bd6be577ac3a800b1bf67680f011bf512217e80", kill_on_drop: false }` [INFO] [stdout] 64314899ff26b360c2a9ce277bd6be577ac3a800b1bf67680f011bf512217e80