[INFO] fetching crate jupyterm 0.1.0... [INFO] testing jupyterm-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate jupyterm 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate jupyterm 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctor v0.1.16 [INFO] [stderr] Downloaded ghost v0.1.2 [INFO] [stderr] Downloaded subtle v2.3.0 [INFO] [stderr] Downloaded indoc-impl v0.3.6 [INFO] [stderr] Downloaded pyo3-derive-backend v0.12.3 [INFO] [stderr] Downloaded sha2 v0.9.1 [INFO] [stderr] Downloaded inventory v0.1.9 [INFO] [stderr] Downloaded syn v1.0.48 [INFO] [stderr] Downloaded pyo3cls v0.12.3 [INFO] [stderr] Downloaded pyo3 v0.12.3 [INFO] [stderr] Downloaded toml v0.2.1 [INFO] [stderr] Downloaded inventory-impl v0.1.9 [INFO] [stderr] Downloaded instant v0.1.8 [INFO] [stderr] Downloaded zmq-sys v0.11.0 [INFO] [stderr] Downloaded metadeps v1.1.2 [INFO] [stderr] Downloaded zmq v0.9.2 [INFO] [stderr] Downloaded indoc v0.3.6 [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e85fb65efa34ebfa2e70f1a09abba2d30f888ac6ed5ed5a95d675ee01ba3c419 [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" "e85fb65efa34ebfa2e70f1a09abba2d30f888ac6ed5ed5a95d675ee01ba3c419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e85fb65efa34ebfa2e70f1a09abba2d30f888ac6ed5ed5a95d675ee01ba3c419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e85fb65efa34ebfa2e70f1a09abba2d30f888ac6ed5ed5a95d675ee01ba3c419", kill_on_drop: false }` [INFO] [stdout] e85fb65efa34ebfa2e70f1a09abba2d30f888ac6ed5ed5a95d675ee01ba3c419 [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 827b4bcc9101ecbe4a81edd6c81d52fef4860dfb4050e164ed12cb40eb62c3a4 [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" "827b4bcc9101ecbe4a81edd6c81d52fef4860dfb4050e164ed12cb40eb62c3a4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.48 [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 serde v1.0.117 [INFO] [stderr] Compiling inventory v0.1.9 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling subtle v2.3.0 [INFO] [stderr] Compiling pyo3 v0.12.3 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Compiling instant v0.1.8 [INFO] [stderr] Compiling lock_api v0.4.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling sha2 v0.9.1 [INFO] [stderr] Compiling crypto-mac v0.10.0 [INFO] [stderr] Compiling hmac v0.10.1 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling parking_lot v0.11.0 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling pyo3-derive-backend v0.12.3 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling inventory-impl v0.1.9 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling ctor v0.1.16 [INFO] [stderr] Compiling ghost v0.1.2 [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 59.78s [INFO] running `Command { std: "docker" "inspect" "827b4bcc9101ecbe4a81edd6c81d52fef4860dfb4050e164ed12cb40eb62c3a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "827b4bcc9101ecbe4a81edd6c81d52fef4860dfb4050e164ed12cb40eb62c3a4", kill_on_drop: false }` [INFO] [stdout] 827b4bcc9101ecbe4a81edd6c81d52fef4860dfb4050e164ed12cb40eb62c3a4 [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] 385c722eb0dc5caa0853f16d36e7cba416ada0770c8f70df0f898a455b24622b [INFO] running `Command { std: "docker" "start" "-a" "385c722eb0dc5caa0853f16d36e7cba416ada0770c8f70df0f898a455b24622b", 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 1.01s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "385c722eb0dc5caa0853f16d36e7cba416ada0770c8f70df0f898a455b24622b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "385c722eb0dc5caa0853f16d36e7cba416ada0770c8f70df0f898a455b24622b", kill_on_drop: false }` [INFO] [stdout] 385c722eb0dc5caa0853f16d36e7cba416ada0770c8f70df0f898a455b24622b [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4285efe58078e88df5c6dad98f9a294e2dfaaa522d65da86dbca07f7a667ed08 [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" "4285efe58078e88df5c6dad98f9a294e2dfaaa522d65da86dbca07f7a667ed08", 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 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/jupyterm-f917692fd34b75fe) [INFO] running `Command { std: "docker" "inspect" "4285efe58078e88df5c6dad98f9a294e2dfaaa522d65da86dbca07f7a667ed08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4285efe58078e88df5c6dad98f9a294e2dfaaa522d65da86dbca07f7a667ed08", kill_on_drop: false }` [INFO] [stdout] 4285efe58078e88df5c6dad98f9a294e2dfaaa522d65da86dbca07f7a667ed08