[INFO] cloning repository https://github.com/michaelb/rust-jupyter-client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelb/rust-jupyter-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Frust-jupyter-client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Frust-jupyter-client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e9c939df3fbe99e81bd8a4e4161e5f5fbfa1bcd [INFO] checking michaelb/rust-jupyter-client against master#b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 for pr-128351-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Frust-jupyter-client" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/michaelb/rust-jupyter-client on toolchain b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/michaelb/rust-jupyter-client [INFO] finished tweaking git repo https://github.com/michaelb/rust-jupyter-client [INFO] tweaked toml for git repo https://github.com/michaelb/rust-jupyter-client written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/michaelb/rust-jupyter-client 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" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zmq v0.8.2 [INFO] [stderr] Downloaded error-chain v0.10.0 [INFO] [stderr] Downloaded zmq-sys v0.8.2 [INFO] [stderr] Downloaded metadeps v1.1.2 [INFO] [stderr] Downloaded subtle v1.0.0 [INFO] [stderr] Downloaded toml v0.2.1 [INFO] [stderr] Downloaded humantime v1.1.1 [INFO] [stderr] Downloaded crypto-mac v0.7.0 [INFO] [stderr] Downloaded heck v0.3.0 [INFO] [stderr] Downloaded hmac v0.7.0 [INFO] [stderr] Downloaded redox_syscall v0.1.42 [INFO] [stderr] Downloaded structopt-derive v0.2.13 [INFO] [stderr] Downloaded structopt v0.2.13 [INFO] [stderr] Downloaded uuid v0.7.1 [INFO] [stderr] Downloaded env_logger v0.5.13 [INFO] [stderr] Downloaded hex v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ddd578a0ae1a1259b5034af56b95ac856f570bf1809649f3f6a9983f8e7da95 [INFO] running `Command { std: "docker" "start" "-a" "9ddd578a0ae1a1259b5034af56b95ac856f570bf1809649f3f6a9983f8e7da95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ddd578a0ae1a1259b5034af56b95ac856f570bf1809649f3f6a9983f8e7da95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ddd578a0ae1a1259b5034af56b95ac856f570bf1809649f3f6a9983f8e7da95", kill_on_drop: false }` [INFO] [stdout] 9ddd578a0ae1a1259b5034af56b95ac856f570bf1809649f3f6a9983f8e7da95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a408a21796ffa6d593ab64c82557391981d3fb33e4411cdac899471d396f33b0 [INFO] running `Command { std: "docker" "start" "-a" "a408a21796ffa6d593ab64c82557391981d3fb33e4411cdac899471d396f33b0", kill_on_drop: false }` [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking byte-tools v0.3.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling quote v0.6.9 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Checking memchr v2.1.1 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking regex-syntax v0.6.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking block-padding v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.1 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Compiling syn v0.15.18 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking dirs v1.0.4 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling zmq-sys v0.8.2 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking block-buffer v0.7.0 [INFO] [stderr] Checking hmac v0.7.0 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Compiling zmq v0.8.2 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling structopt-derive v0.2.13 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking structopt v0.2.13 [INFO] [stderr] Checking jupyter-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `stdin_port`, `signature_scheme`, and `kernel_name` are never read [INFO] [stdout] --> src/connection_config.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct ConnectionConfig { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub stdin_port: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub signature_scheme: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | pub kernel_name: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConnectionConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stdin_port`, `signature_scheme`, and `kernel_name` are never read [INFO] [stdout] --> src/connection_config.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct ConnectionConfig { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub stdin_port: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub signature_scheme: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | pub kernel_name: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConnectionConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.03s [INFO] running `Command { std: "docker" "inspect" "a408a21796ffa6d593ab64c82557391981d3fb33e4411cdac899471d396f33b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a408a21796ffa6d593ab64c82557391981d3fb33e4411cdac899471d396f33b0", kill_on_drop: false }` [INFO] [stdout] a408a21796ffa6d593ab64c82557391981d3fb33e4411cdac899471d396f33b0 [INFO] checking michaelb/rust-jupyter-client against try#16d823b1c168ce52c66ccc00dfd686f775a45c65 for pr-128351-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Frust-jupyter-client" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/michaelb/rust-jupyter-client on toolchain 16d823b1c168ce52c66ccc00dfd686f775a45c65 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/michaelb/rust-jupyter-client [INFO] finished tweaking git repo https://github.com/michaelb/rust-jupyter-client [INFO] tweaked toml for git repo https://github.com/michaelb/rust-jupyter-client written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/michaelb/rust-jupyter-client 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" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 338edcea5ebd8533be025463d21fece0e775ad643025840375675f7b06f1cc91 [INFO] running `Command { std: "docker" "start" "-a" "338edcea5ebd8533be025463d21fece0e775ad643025840375675f7b06f1cc91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "338edcea5ebd8533be025463d21fece0e775ad643025840375675f7b06f1cc91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "338edcea5ebd8533be025463d21fece0e775ad643025840375675f7b06f1cc91", kill_on_drop: false }` [INFO] [stdout] 338edcea5ebd8533be025463d21fece0e775ad643025840375675f7b06f1cc91 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63e06cc9784f3374ebc02bbb0a8a49f5fb97b39e0c68102dc43541415b74db32 [INFO] running `Command { std: "docker" "start" "-a" "63e06cc9784f3374ebc02bbb0a8a49f5fb97b39e0c68102dc43541415b74db32", kill_on_drop: false }` [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking byte-tools v0.3.0 [INFO] [stderr] Compiling quote v0.6.9 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Checking memchr v2.1.1 [INFO] [stderr] Checking regex-syntax v0.6.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking block-padding v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.1 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking dirs v1.0.4 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Compiling syn v0.15.18 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling zmq-sys v0.8.2 [INFO] [stderr] Compiling zmq v0.8.2 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking block-buffer v0.7.0 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking hmac v0.7.0 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling structopt-derive v0.2.13 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking structopt v0.2.13 [INFO] [stderr] Checking jupyter-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `stdin_port`, `signature_scheme`, and `kernel_name` are never read [INFO] [stdout] --> src/connection_config.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct ConnectionConfig { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub stdin_port: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub signature_scheme: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | pub kernel_name: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConnectionConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stdin_port`, `signature_scheme`, and `kernel_name` are never read [INFO] [stdout] --> src/connection_config.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct ConnectionConfig { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub stdin_port: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub signature_scheme: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | pub kernel_name: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConnectionConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.30s [INFO] running `Command { std: "docker" "inspect" "63e06cc9784f3374ebc02bbb0a8a49f5fb97b39e0c68102dc43541415b74db32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63e06cc9784f3374ebc02bbb0a8a49f5fb97b39e0c68102dc43541415b74db32", kill_on_drop: false }` [INFO] [stdout] 63e06cc9784f3374ebc02bbb0a8a49f5fb97b39e0c68102dc43541415b74db32