[INFO] fetching crate mtemp 0.1.1... [INFO] checking mtemp-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate mtemp 0.1.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate mtemp 0.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mtemp 0.1.1 [INFO] finished tweaking crates.io crate mtemp 0.1.1 [INFO] tweaked toml for crates.io crate mtemp 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate mtemp 0.1.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3dbdcd384f1e120f5410f8c864b03983bc19b960a0ff8e94d610060e2b405c3 [INFO] running `Command { std: "docker" "start" "-a" "b3dbdcd384f1e120f5410f8c864b03983bc19b960a0ff8e94d610060e2b405c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3dbdcd384f1e120f5410f8c864b03983bc19b960a0ff8e94d610060e2b405c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3dbdcd384f1e120f5410f8c864b03983bc19b960a0ff8e94d610060e2b405c3", kill_on_drop: false }` [INFO] [stdout] b3dbdcd384f1e120f5410f8c864b03983bc19b960a0ff8e94d610060e2b405c3 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5fbd1874701f27a58b0f94d0944a07642b107199222cb9538e8d3ee547f8f8d [INFO] running `Command { std: "docker" "start" "-a" "e5fbd1874701f27a58b0f94d0944a07642b107199222cb9538e8d3ee547f8f8d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling serde_json v1.0.105 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking mtemp v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Ok` is imported redundantly [INFO] [stdout] --> src/nvidia_smi.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::result::Result::Ok; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ok` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ok` is imported redundantly [INFO] [stdout] --> src/nvidia_smi.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::result::Result::Ok; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ok` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 3.27s [INFO] running `Command { std: "docker" "inspect" "e5fbd1874701f27a58b0f94d0944a07642b107199222cb9538e8d3ee547f8f8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5fbd1874701f27a58b0f94d0944a07642b107199222cb9538e8d3ee547f8f8d", kill_on_drop: false }` [INFO] [stdout] e5fbd1874701f27a58b0f94d0944a07642b107199222cb9538e8d3ee547f8f8d