[INFO] fetching crate cov 0.0.5... [INFO] checking cov-0.0.5 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] extracting crate cov 0.0.5 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate cov 0.0.5 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cov 0.0.5 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate cov 0.0.5 [INFO] tweaked toml for crates.io crate cov 0.0.5 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0448ec3b3705e2779ebe18e6cc2c0f262459be4d6ef88b41d5fecfb74162e98 [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" "f0448ec3b3705e2779ebe18e6cc2c0f262459be4d6ef88b41d5fecfb74162e98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0448ec3b3705e2779ebe18e6cc2c0f262459be4d6ef88b41d5fecfb74162e98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0448ec3b3705e2779ebe18e6cc2c0f262459be4d6ef88b41d5fecfb74162e98", kill_on_drop: false }` [INFO] [stdout] f0448ec3b3705e2779ebe18e6cc2c0f262459be4d6ef88b41d5fecfb74162e98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e83d3064f4b4521e7a5782e068ae268ca0982eeda4f5d09e81020d0d0108ffe0 [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" "e83d3064f4b4521e7a5782e068ae268ca0982eeda4f5d09e81020d0d0108ffe0", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking shawshank v0.2.3 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking cov v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | cause: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:142:32 [INFO] [stdout] | [INFO] [stdout] 142 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:143:41 [INFO] [stdout] | [INFO] [stdout] 143 | self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | cause: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:142:32 [INFO] [stdout] | [INFO] [stdout] 142 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:143:41 [INFO] [stdout] | [INFO] [stdout] 143 | self.cause.as_ref().map(|e| -> &StdError { &**e }) [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.83s [INFO] running `Command { std: "docker" "inspect" "e83d3064f4b4521e7a5782e068ae268ca0982eeda4f5d09e81020d0d0108ffe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e83d3064f4b4521e7a5782e068ae268ca0982eeda4f5d09e81020d0d0108ffe0", kill_on_drop: false }` [INFO] [stdout] e83d3064f4b4521e7a5782e068ae268ca0982eeda4f5d09e81020d0d0108ffe0