[INFO] fetching crate skeptic 0.13.4...
[INFO] checking skeptic-0.13.4 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate skeptic 0.13.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate skeptic 0.13.4 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skeptic 0.13.4
[INFO] finished tweaking crates.io crate skeptic 0.13.4
[INFO] tweaked toml for crates.io crate skeptic 0.13.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", 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] 8778eee9aa02ed9e482b750d73e1a5a748aa8ce07c73a7854afe5325b9404384
[INFO] running `Command { std: "docker" "start" "-a" "8778eee9aa02ed9e482b750d73e1a5a748aa8ce07c73a7854afe5325b9404384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8778eee9aa02ed9e482b750d73e1a5a748aa8ce07c73a7854afe5325b9404384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8778eee9aa02ed9e482b750d73e1a5a748aa8ce07c73a7854afe5325b9404384", kill_on_drop: false }`
[INFO] [stdout] 8778eee9aa02ed9e482b750d73e1a5a748aa8ce07c73a7854afe5325b9404384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] 512bd1e6004f640ad1d7e955b301553634be124f418c00b80306f8bea028aab3
[INFO] running `Command { std: "docker" "start" "-a" "512bd1e6004f640ad1d7e955b301553634be124f418c00b80306f8bea028aab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking unindent v0.1.6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking pulldown-cmark v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]     Checking skeptic v0.13.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]    --> lib.rs:420:24
[INFO] [stdout]     |
[INFO] [stdout] 420 |     let trimmed = line.trim_left();
[INFO] [stdout]     |                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]    --> lib.rs:424:23
[INFO] [stdout]     |
[INFO] [stdout] 424 |     } else if trimmed.trim_right() == "#" {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]    --> lib.rs:420:24
[INFO] [stdout]     |
[INFO] [stdout] 420 |     let trimmed = line.trim_left();
[INFO] [stdout]     |                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]    --> lib.rs:424:23
[INFO] [stdout]     |
[INFO] [stdout] 424 |     } else if trimmed.trim_right() == "#" {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.93s
[INFO] running `Command { std: "docker" "inspect" "512bd1e6004f640ad1d7e955b301553634be124f418c00b80306f8bea028aab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512bd1e6004f640ad1d7e955b301553634be124f418c00b80306f8bea028aab3", kill_on_drop: false }`
[INFO] [stdout] 512bd1e6004f640ad1d7e955b301553634be124f418c00b80306f8bea028aab3