[INFO] fetching crate jupyterm 0.1.0... [INFO] testing jupyterm-0.1.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate jupyterm 0.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate jupyterm 0.1.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-14/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 312bd982a38cd816f0111c059080639a82af5c0bed3b963fc06cb5c9cb80a427 [INFO] running `Command { std: "docker" "start" "-a" "312bd982a38cd816f0111c059080639a82af5c0bed3b963fc06cb5c9cb80a427", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "312bd982a38cd816f0111c059080639a82af5c0bed3b963fc06cb5c9cb80a427", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "312bd982a38cd816f0111c059080639a82af5c0bed3b963fc06cb5c9cb80a427", kill_on_drop: false }` [INFO] [stdout] 312bd982a38cd816f0111c059080639a82af5c0bed3b963fc06cb5c9cb80a427 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb9400ecd9d4451c37a09903c79ae79ecf109211941e99f744168238faa16e3d [INFO] running `Command { std: "docker" "start" "-a" "eb9400ecd9d4451c37a09903c79ae79ecf109211941e99f744168238faa16e3d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [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 error-chain v0.10.0 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling inventory v0.1.9 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling pyo3 v0.12.3 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling subtle v2.3.0 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling instant v0.1.8 [INFO] [stderr] Compiling lock_api v0.4.1 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling parking_lot v0.11.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling crypto-mac v0.10.0 [INFO] [stderr] Compiling hmac v0.10.1 [INFO] [stderr] Compiling sha2 v0.9.1 [INFO] [stderr] Compiling paste v0.1.18 [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 ghost v0.1.2 [INFO] [stderr] Compiling ctor v0.1.16 [INFO] [stderr] Compiling pyo3cls v0.12.3 [INFO] [stderr] Compiling indoc v0.3.6 [INFO] [stderr] Compiling jupyterm v0.1.0 (/opt/rustwide/workdir) [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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: function is never used: `print_type_of` [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 is never read: `key` [INFO] [stdout] --> src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | key: Value, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.63s [INFO] running `Command { std: "docker" "inspect" "eb9400ecd9d4451c37a09903c79ae79ecf109211941e99f744168238faa16e3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb9400ecd9d4451c37a09903c79ae79ecf109211941e99f744168238faa16e3d", kill_on_drop: false }` [INFO] [stdout] eb9400ecd9d4451c37a09903c79ae79ecf109211941e99f744168238faa16e3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ce379c4fa814807fa5f14145c1562cdbfa23122281fa9d1552bbac1e29a1bad [INFO] running `Command { std: "docker" "start" "-a" "4ce379c4fa814807fa5f14145c1562cdbfa23122281fa9d1552bbac1e29a1bad", kill_on_drop: false }` [INFO] [stderr] Compiling jupyterm v0.1.0 (/opt/rustwide/workdir) [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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: function is never used: `print_type_of` [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 is never read: `key` [INFO] [stdout] --> src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | key: Value, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4ce379c4fa814807fa5f14145c1562cdbfa23122281fa9d1552bbac1e29a1bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ce379c4fa814807fa5f14145c1562cdbfa23122281fa9d1552bbac1e29a1bad", kill_on_drop: false }` [INFO] [stdout] 4ce379c4fa814807fa5f14145c1562cdbfa23122281fa9d1552bbac1e29a1bad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2f3a3680233ed7d743edc37fc328750f62a5b30fc07fa8cf5200f036763354c7 [INFO] running `Command { std: "docker" "start" "-a" "2f3a3680233ed7d743edc37fc328750f62a5b30fc07fa8cf5200f036763354c7", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: value assigned to `execution_state` is never read [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:222:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 222 | let mut execution_state = "idle"; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut channel: zmq::Socket; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_type_of` [INFO] [stderr] --> src/main.rs:48:4 [INFO] [stderr] | [INFO] [stderr] 48 | fn print_type_of(_: &T) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `key` [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | key: Value, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `jupyterm` (bin "jupyterm" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/jupyterm-622b4e376a36f5bb) [INFO] running `Command { std: "docker" "inspect" "2f3a3680233ed7d743edc37fc328750f62a5b30fc07fa8cf5200f036763354c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f3a3680233ed7d743edc37fc328750f62a5b30fc07fa8cf5200f036763354c7", kill_on_drop: false }` [INFO] [stdout] 2f3a3680233ed7d743edc37fc328750f62a5b30fc07fa8cf5200f036763354c7