[INFO] fetching crate linux-stats 0.3.1...
[INFO] checking linux-stats-0.3.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate linux-stats 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate linux-stats 0.3.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linux-stats 0.3.1
[INFO] finished tweaking crates.io crate linux-stats 0.3.1
[INFO] tweaked toml for crates.io crate linux-stats 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d15b698d4d1c9575f5fbb6868ab0a0431958affa173f2799efc5272d718a3b47
[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" "d15b698d4d1c9575f5fbb6868ab0a0431958affa173f2799efc5272d718a3b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d15b698d4d1c9575f5fbb6868ab0a0431958affa173f2799efc5272d718a3b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15b698d4d1c9575f5fbb6868ab0a0431958affa173f2799efc5272d718a3b47", kill_on_drop: false }`
[INFO] [stdout] d15b698d4d1c9575f5fbb6868ab0a0431958affa173f2799efc5272d718a3b47
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ebc0ad54cd64cc13cf9e105cdc94249709ba90e065e8ad155615457cce9cce5
[INFO] running `Command { std: "docker" "start" "-a" "4ebc0ad54cd64cc13cf9e105cdc94249709ba90e065e8ad155615457cce9cce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking linux-stats v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug, PartialEq, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug, PartialEq, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug, PartialEq, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:106:35
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[derive(Debug, PartialEq, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:106:51
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[derive(Debug, PartialEq, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug, PartialEq, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:106:35
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[derive(Debug, PartialEq, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:106:51
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[derive(Debug, PartialEq, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "4ebc0ad54cd64cc13cf9e105cdc94249709ba90e065e8ad155615457cce9cce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebc0ad54cd64cc13cf9e105cdc94249709ba90e065e8ad155615457cce9cce5", kill_on_drop: false }`
[INFO] [stdout] 4ebc0ad54cd64cc13cf9e105cdc94249709ba90e065e8ad155615457cce9cce5