[INFO] fetching crate notebook_rs 0.5.0... [INFO] checking notebook_rs-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate notebook_rs 0.5.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate notebook_rs 0.5.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate notebook_rs 0.5.0 [INFO] finished tweaking crates.io crate notebook_rs 0.5.0 [INFO] tweaked toml for crates.io crate notebook_rs 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate notebook_rs 0.5.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snapbox-macros v0.3.1 [INFO] [stderr] Downloaded concolor-query v0.0.5 [INFO] [stderr] Downloaded concolor v0.0.8 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.83 [INFO] [stderr] Downloaded similar v2.2.0 [INFO] [stderr] Downloaded iana-time-zone v0.1.50 [INFO] [stderr] Downloaded once_cell v1.15.0 [INFO] [stderr] Downloaded js-sys v0.3.60 [INFO] [stderr] Downloaded vader_sentiment v0.1.1 [INFO] [stderr] Downloaded wasm-bindgen v0.2.83 [INFO] [stderr] Downloaded chrono v0.4.22 [INFO] [stderr] Downloaded libc v0.2.133 [INFO] [stderr] Downloaded clap v3.2.22 [INFO] [stderr] Downloaded syn v1.0.100 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.83 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.83 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.83 [INFO] [stderr] Downloaded textwrap v0.15.1 [INFO] [stderr] Downloaded serde_derive v1.0.145 [INFO] [stderr] Downloaded serde v1.0.145 [INFO] [stderr] Downloaded snapbox v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28dd218847e67af2b8c29caa00cd5843e77d510e753fe8675681c7adcf4202f4 [INFO] running `Command { std: "docker" "start" "-a" "28dd218847e67af2b8c29caa00cd5843e77d510e753fe8675681c7adcf4202f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28dd218847e67af2b8c29caa00cd5843e77d510e753fe8675681c7adcf4202f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28dd218847e67af2b8c29caa00cd5843e77d510e753fe8675681c7adcf4202f4", kill_on_drop: false }` [INFO] [stdout] 28dd218847e67af2b8c29caa00cd5843e77d510e753fe8675681c7adcf4202f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99154956a0a3c1eea96aff09c1dcab76e496914d2c4743cf24295c086ad3b7ce [INFO] running `Command { std: "docker" "start" "-a" "99154956a0a3c1eea96aff09c1dcab76e496914d2c4743cf24295c086ad3b7ce", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling syn v1.0.100 [INFO] [stderr] Compiling serde_derive v1.0.145 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Compiling anyhow v1.0.65 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking iana-time-zone v0.1.50 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking textwrap v0.15.1 [INFO] [stderr] Checking directories v2.0.2 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Checking concolor-query v0.0.5 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking concolor v0.0.8 [INFO] [stderr] Checking clap v3.2.22 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking snapbox-macros v0.3.1 [INFO] [stderr] Checking similar v2.2.0 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking chrono v0.4.22 [INFO] [stderr] Checking snapbox v0.4.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking vader_sentiment v0.1.1 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking confy v0.4.0 [INFO] [stderr] Checking notebook_rs v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/argparse.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let q = Box::new(matches) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/argparse.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let q = Box::new(matches) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` 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 20.90s [INFO] running `Command { std: "docker" "inspect" "99154956a0a3c1eea96aff09c1dcab76e496914d2c4743cf24295c086ad3b7ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99154956a0a3c1eea96aff09c1dcab76e496914d2c4743cf24295c086ad3b7ce", kill_on_drop: false }` [INFO] [stdout] 99154956a0a3c1eea96aff09c1dcab76e496914d2c4743cf24295c086ad3b7ce [INFO] checking notebook_rs-0.5.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate notebook_rs 0.5.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate notebook_rs 0.5.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate notebook_rs 0.5.0 [INFO] finished tweaking crates.io crate notebook_rs 0.5.0 [INFO] tweaked toml for crates.io crate notebook_rs 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate notebook_rs 0.5.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33fd66b1c41a467bd04def45c2e39b032fc37865b8db4eab0d828912e9d8c379 [INFO] running `Command { std: "docker" "start" "-a" "33fd66b1c41a467bd04def45c2e39b032fc37865b8db4eab0d828912e9d8c379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33fd66b1c41a467bd04def45c2e39b032fc37865b8db4eab0d828912e9d8c379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33fd66b1c41a467bd04def45c2e39b032fc37865b8db4eab0d828912e9d8c379", kill_on_drop: false }` [INFO] [stdout] 33fd66b1c41a467bd04def45c2e39b032fc37865b8db4eab0d828912e9d8c379 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f493e0e7347806683cd061bd70240c5d5262884aae37237f3ed717d1e709bd78 [INFO] running `Command { std: "docker" "start" "-a" "f493e0e7347806683cd061bd70240c5d5262884aae37237f3ed717d1e709bd78", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.100 [INFO] [stderr] Compiling serde_derive v1.0.145 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling anyhow v1.0.65 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking textwrap v0.15.1 [INFO] [stderr] Checking iana-time-zone v0.1.50 [INFO] [stderr] Checking directories v2.0.2 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking concolor-query v0.0.5 [INFO] [stderr] Checking snapbox-macros v0.3.1 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking concolor v0.0.8 [INFO] [stderr] Checking clap v3.2.22 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking similar v2.2.0 [INFO] [stderr] Checking chrono v0.4.22 [INFO] [stderr] Checking snapbox v0.4.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking vader_sentiment v0.1.1 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking confy v0.4.0 [INFO] [stderr] Checking notebook_rs v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/argparse.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let q = Box::new(matches) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/argparse.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let q = Box::new(matches) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.32s [INFO] running `Command { std: "docker" "inspect" "f493e0e7347806683cd061bd70240c5d5262884aae37237f3ed717d1e709bd78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f493e0e7347806683cd061bd70240c5d5262884aae37237f3ed717d1e709bd78", kill_on_drop: false }` [INFO] [stdout] f493e0e7347806683cd061bd70240c5d5262884aae37237f3ed717d1e709bd78