[INFO] fetching crate jupyterm 0.1.0... [INFO] testing jupyterm-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate jupyterm 0.1.0 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate jupyterm 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pyo3cls v0.12.3 [INFO] [stderr] Downloaded pyo3-derive-backend v0.12.3 [INFO] [stderr] Downloaded pyo3 v0.12.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be51a3bc39550ad4cfcdaa913c9920e8b6d22801ffe57b9396197a75ff14ccef [INFO] running `Command { std: "docker" "start" "-a" "be51a3bc39550ad4cfcdaa913c9920e8b6d22801ffe57b9396197a75ff14ccef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be51a3bc39550ad4cfcdaa913c9920e8b6d22801ffe57b9396197a75ff14ccef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be51a3bc39550ad4cfcdaa913c9920e8b6d22801ffe57b9396197a75ff14ccef", kill_on_drop: false }` [INFO] [stdout] be51a3bc39550ad4cfcdaa913c9920e8b6d22801ffe57b9396197a75ff14ccef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e78d818ba5f98bef0430ba5b43457c776bb0f655a981f977369f443515fc8eb7 [INFO] running `Command { std: "docker" "start" "-a" "e78d818ba5f98bef0430ba5b43457c776bb0f655a981f977369f443515fc8eb7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.48 [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 proc-macro-hack v0.5.18 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling instant v0.1.8 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling inventory v0.1.9 [INFO] [stderr] Compiling lock_api v0.4.1 [INFO] [stderr] Compiling subtle v2.3.0 [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 itoa v0.4.6 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling metadeps v1.1.2 [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 paste v0.1.18 [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 pyo3-derive-backend v0.12.3 [INFO] [stderr] Compiling ctor v0.1.16 [INFO] [stderr] Compiling ghost v0.1.2 [INFO] [stderr] Compiling indoc-impl v0.3.6 [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:222:13 [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)]` (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 13.54s [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 2` [INFO] running `Command { std: "docker" "inspect" "e78d818ba5f98bef0430ba5b43457c776bb0f655a981f977369f443515fc8eb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e78d818ba5f98bef0430ba5b43457c776bb0f655a981f977369f443515fc8eb7", kill_on_drop: false }` [INFO] [stdout] e78d818ba5f98bef0430ba5b43457c776bb0f655a981f977369f443515fc8eb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df2a0236fd3cfffdf16ed604d04450bc81b4e6a266d1f32a32cd8cb4a3969f8c [INFO] running `Command { std: "docker" "start" "-a" "df2a0236fd3cfffdf16ed604d04450bc81b4e6a266d1f32a32cd8cb4a3969f8c", 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:222:13 [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)]` (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 0.32s [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 2` [INFO] running `Command { std: "docker" "inspect" "df2a0236fd3cfffdf16ed604d04450bc81b4e6a266d1f32a32cd8cb4a3969f8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df2a0236fd3cfffdf16ed604d04450bc81b4e6a266d1f32a32cd8cb4a3969f8c", kill_on_drop: false }` [INFO] [stdout] df2a0236fd3cfffdf16ed604d04450bc81b4e6a266d1f32a32cd8cb4a3969f8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6466ba47fd8b9f25520bcf7d48a54cf3d013babdfd09593e987abe0b933cf752 [INFO] running `Command { std: "docker" "start" "-a" "6466ba47fd8b9f25520bcf7d48a54cf3d013babdfd09593e987abe0b933cf752", 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:222:13 [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" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [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 2` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jupyterm-1583af2c58f53619) [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" "6466ba47fd8b9f25520bcf7d48a54cf3d013babdfd09593e987abe0b933cf752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6466ba47fd8b9f25520bcf7d48a54cf3d013babdfd09593e987abe0b933cf752", kill_on_drop: false }` [INFO] [stdout] 6466ba47fd8b9f25520bcf7d48a54cf3d013babdfd09593e987abe0b933cf752