[INFO] fetching crate jupyterm 0.1.0... [INFO] testing jupyterm-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate jupyterm 0.1.0 into /workspace/builds/worker-0-tc2/source [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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate jupyterm 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1bc17bf55129a178a21a5a12f5e2b11089f8c7385933da1e32258844ce5006d9 [INFO] running `Command { std: "docker" "start" "-a" "1bc17bf55129a178a21a5a12f5e2b11089f8c7385933da1e32258844ce5006d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1bc17bf55129a178a21a5a12f5e2b11089f8c7385933da1e32258844ce5006d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bc17bf55129a178a21a5a12f5e2b11089f8c7385933da1e32258844ce5006d9", kill_on_drop: false }` [INFO] [stdout] 1bc17bf55129a178a21a5a12f5e2b11089f8c7385933da1e32258844ce5006d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 58dd200de33ed64b024606a4c47b2b32fdf5b9bda7e88e098a4695f460221ef8 [INFO] running `Command { std: "docker" "start" "-a" "58dd200de33ed64b024606a4c47b2b32fdf5b9bda7e88e098a4695f460221ef8", 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 cfg-if v0.1.10 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling instant v0.1.8 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling inventory v0.1.9 [INFO] [stderr] Compiling lock_api v0.4.1 [INFO] [stderr] Compiling pyo3 v0.12.3 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Compiling subtle v2.3.0 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling parking_lot v0.11.0 [INFO] [stderr] Compiling paste-impl v0.1.18 [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 paste v0.1.18 [INFO] [stderr] Compiling hmac v0.10.1 [INFO] [stderr] Compiling sha2 v0.9.1 [INFO] [stderr] Compiling pyo3-derive-backend v0.12.3 [INFO] [stderr] Compiling ctor v0.1.16 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling ghost v0.1.2 [INFO] [stderr] Compiling inventory-impl v0.1.9 [INFO] [stderr] Compiling indoc v0.3.6 [INFO] [stderr] Compiling pyo3cls v0.12.3 [INFO] [stderr] Compiling jupyterm v0.1.0 (/opt/rustwide/workdir) [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `execution_state` is never read [INFO] [stdout] --> src/main.rs:222:31 [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.16s [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" "58dd200de33ed64b024606a4c47b2b32fdf5b9bda7e88e098a4695f460221ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58dd200de33ed64b024606a4c47b2b32fdf5b9bda7e88e098a4695f460221ef8", kill_on_drop: false }` [INFO] [stdout] 58dd200de33ed64b024606a4c47b2b32fdf5b9bda7e88e098a4695f460221ef8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0332b7528bc321eafeda30ecd6b1ca87ea7ad91b0c8d7cc5227756d91cc28469 [INFO] running `Command { std: "docker" "start" "-a" "0332b7528bc321eafeda30ecd6b1ca87ea7ad91b0c8d7cc5227756d91cc28469", kill_on_drop: false }` [INFO] [stderr] Compiling jupyterm v0.1.0 (/opt/rustwide/workdir) [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `execution_state` is never read [INFO] [stdout] --> src/main.rs:222:31 [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [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" "0332b7528bc321eafeda30ecd6b1ca87ea7ad91b0c8d7cc5227756d91cc28469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0332b7528bc321eafeda30ecd6b1ca87ea7ad91b0c8d7cc5227756d91cc28469", kill_on_drop: false }` [INFO] [stdout] 0332b7528bc321eafeda30ecd6b1ca87ea7ad91b0c8d7cc5227756d91cc28469 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3b4b0d490ce36d39c931f93947b1bc03a02691ae753faf05218065f7890bb5e1 [INFO] running `Command { std: "docker" "start" "-a" "3b4b0d490ce36d39c931f93947b1bc03a02691ae753faf05218065f7890bb5e1", kill_on_drop: false }` [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `execution_state` is never read [INFO] [stderr] --> src/main.rs:222:31 [INFO] [stderr] | [INFO] [stderr] 222 | let mut execution_state = "idle"; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `print_type_of` is never used [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `key` is never read [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 52 | struct Session { [INFO] [stderr] | ------- field in this struct [INFO] [stderr] 53 | key: Value, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `jupyterm` (bin "jupyterm" test) generated 4 warnings (run `cargo fix --bin "jupyterm" -p jupyterm --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jupyterm-ef5c82f4c73fd91e) [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" "3b4b0d490ce36d39c931f93947b1bc03a02691ae753faf05218065f7890bb5e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4b0d490ce36d39c931f93947b1bc03a02691ae753faf05218065f7890bb5e1", kill_on_drop: false }` [INFO] [stdout] 3b4b0d490ce36d39c931f93947b1bc03a02691ae753faf05218065f7890bb5e1