[INFO] fetching crate clarity-jupyter-kernel 0.1.0... [INFO] checking clarity-jupyter-kernel-0.1.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104 [INFO] extracting crate clarity-jupyter-kernel 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate clarity-jupyter-kernel 0.1.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-1/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 254d81502deec28ff22ce2d8a875a9e35fb32f4969d4dae93ebb798b8ab2d7f5 [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" "254d81502deec28ff22ce2d8a875a9e35fb32f4969d4dae93ebb798b8ab2d7f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "254d81502deec28ff22ce2d8a875a9e35fb32f4969d4dae93ebb798b8ab2d7f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "254d81502deec28ff22ce2d8a875a9e35fb32f4969d4dae93ebb798b8ab2d7f5", kill_on_drop: false }` [INFO] [stdout] 254d81502deec28ff22ce2d8a875a9e35fb32f4969d4dae93ebb798b8ab2d7f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a74a93b6517ab7be24fa306bcc732e82b6cf65b0c99cd83345359ec1e32561d0 [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" "a74a93b6517ab7be24fa306bcc732e82b6cf65b0c99cd83345359ec1e32561d0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking pico-args v0.3.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking json v0.11.15 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking ripemd160 v0.8.0 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking dirs-sys-next v0.1.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking dirs-next v1.0.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking rustyline v6.2.0 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking clarity-repl v0.1.0 [INFO] [stderr] Checking 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: 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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 04s [INFO] running `Command { std: "docker" "inspect" "a74a93b6517ab7be24fa306bcc732e82b6cf65b0c99cd83345359ec1e32561d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a74a93b6517ab7be24fa306bcc732e82b6cf65b0c99cd83345359ec1e32561d0", kill_on_drop: false }` [INFO] [stdout] a74a93b6517ab7be24fa306bcc732e82b6cf65b0c99cd83345359ec1e32561d0