[INFO] fetching crate clarity-jupyter-kernel 0.1.0... [INFO] testing clarity-jupyter-kernel-0.1.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate clarity-jupyter-kernel 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate clarity-jupyter-kernel 0.1.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate clarity-jupyter-kernel 0.1.0 [INFO] finished tweaking crates.io crate clarity-jupyter-kernel 0.1.0 [INFO] tweaked toml for crates.io crate clarity-jupyter-kernel 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate clarity-jupyter-kernel 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clarity-repl v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 531724b00e37a941ecd408ce7e36b274944ff24ee92e81de97e02e29773a4bb7 [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" "531724b00e37a941ecd408ce7e36b274944ff24ee92e81de97e02e29773a4bb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "531724b00e37a941ecd408ce7e36b274944ff24ee92e81de97e02e29773a4bb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "531724b00e37a941ecd408ce7e36b274944ff24ee92e81de97e02e29773a4bb7", kill_on_drop: false }` [INFO] [stdout] 531724b00e37a941ecd408ce7e36b274944ff24ee92e81de97e02e29773a4bb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ddd5bbfc82ef200eeda53198f06431df9ca6cac0447c6972085b0b0f03f09a6 [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" "2ddd5bbfc82ef200eeda53198f06431df9ca6cac0447c6972085b0b0f03f09a6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Compiling pico-args v0.3.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling miniz_oxide v0.4.1 [INFO] [stderr] Compiling sha3 v0.8.2 [INFO] [stderr] Compiling ripemd160 v0.8.0 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling dirs-sys-next v0.1.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling dirs-next v1.0.1 [INFO] [stderr] Compiling chrono v0.4.15 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling rustyline v6.2.0 [INFO] [stderr] Compiling clarity-repl v0.1.0 [INFO] [stderr] Compiling clarity-jupyter-kernel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/jupyter/core.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | let (mut context, outputs) = CommandContext::new()?; [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/jupyter/core.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | mut context: CommandContext, [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 54s [INFO] running `Command { std: "docker" "inspect" "2ddd5bbfc82ef200eeda53198f06431df9ca6cac0447c6972085b0b0f03f09a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ddd5bbfc82ef200eeda53198f06431df9ca6cac0447c6972085b0b0f03f09a6", kill_on_drop: false }` [INFO] [stdout] 2ddd5bbfc82ef200eeda53198f06431df9ca6cac0447c6972085b0b0f03f09a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2088a49986f620c4fb9004f44a9aab295ee3dcd3078456fd8bab5b8fb424f4f9 [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" "2088a49986f620c4fb9004f44a9aab295ee3dcd3078456fd8bab5b8fb424f4f9", kill_on_drop: false }` [INFO] [stderr] Compiling clarity-jupyter-kernel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/jupyter/core.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | let (mut context, outputs) = CommandContext::new()?; [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/jupyter/core.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | mut context: CommandContext, [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `Command { std: "docker" "inspect" "2088a49986f620c4fb9004f44a9aab295ee3dcd3078456fd8bab5b8fb424f4f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2088a49986f620c4fb9004f44a9aab295ee3dcd3078456fd8bab5b8fb424f4f9", kill_on_drop: false }` [INFO] [stdout] 2088a49986f620c4fb9004f44a9aab295ee3dcd3078456fd8bab5b8fb424f4f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b5bb9a9c08d3aadbfa3018dee7f51df4605e526b2b5c00d6683edd1260d55fbc [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" "b5bb9a9c08d3aadbfa3018dee7f51df4605e526b2b5c00d6683edd1260d55fbc", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/jupyter/core.rs:81:14 [INFO] [stderr] | [INFO] [stderr] 81 | let (mut context, outputs) = CommandContext::new()?; [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: variable does not need to be mutable [INFO] [stderr] --> src/jupyter/core.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | mut context: CommandContext, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/clarity_jupyter_kernel-145e1282ebe7c948 [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" "b5bb9a9c08d3aadbfa3018dee7f51df4605e526b2b5c00d6683edd1260d55fbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5bb9a9c08d3aadbfa3018dee7f51df4605e526b2b5c00d6683edd1260d55fbc", kill_on_drop: false }` [INFO] [stdout] b5bb9a9c08d3aadbfa3018dee7f51df4605e526b2b5c00d6683edd1260d55fbc