[INFO] cloning repository https://github.com/onur/docs.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onur/docs.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonur%2Fdocs.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonur%2Fdocs.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cee3f821bce5e236639b2478096de0fee58b32cb
[INFO] checking onur/docs.rs against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonur%2Fdocs.rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onur/docs.rs on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onur/docs.rs
[INFO] removed path dependency badge from git repo https://github.com/onur/docs.rs
[INFO] finished tweaking git repo https://github.com/onur/docs.rs
[INFO] tweaked toml for git repo https://github.com/onur/docs.rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/onur/docs.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/cargo.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/cargo.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] [stderr]   Downloaded magic-sys v0.2.0
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded magic v0.12.2
[INFO] [stderr]   Downloaded curl v0.4.33
[INFO] [stderr]   Downloaded git2 v0.13.10
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.12+1.0.1
[INFO] [stderr]   Downloaded comrak v0.3.1
[INFO] [stderr]   Downloaded handlebars-iron v0.22.0
[INFO] [stderr]   Downloaded sass-rs v0.2.2
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded sass-sys v0.4.21
[INFO] [stderr]   Downloaded badge v0.3.0
[INFO] [stderr]   Downloaded handlebars v0.24.2
[INFO] [stderr]   Downloaded crates-index-diff v4.0.0
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded slug v0.1.1
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]   Downloaded git2 v0.7.1
[INFO] [stderr]   Downloaded libgit2-sys v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de18e47997e41f235e8879749e379ac2bc1a0db0da1d3d3de154c2ce821b90d4
[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" "de18e47997e41f235e8879749e379ac2bc1a0db0da1d3d3de154c2ce821b90d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de18e47997e41f235e8879749e379ac2bc1a0db0da1d3d3de154c2ce821b90d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de18e47997e41f235e8879749e379ac2bc1a0db0da1d3d3de154c2ce821b90d4", kill_on_drop: false }`
[INFO] [stdout] de18e47997e41f235e8879749e379ac2bc1a0db0da1d3d3de154c2ce821b90d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92127114d5069c5b10f8ecbcf41c99106550c6bc0130b241f7f78bd31e5631f2
[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" "92127114d5069c5b10f8ecbcf41c99106550c6bc0130b241f7f78bd31e5631f2", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `git2`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `libgit2-sys v0.7.1`
[INFO] [stderr]     ... which is depended on by `git2 v0.7.1`
[INFO] [stderr]     ... which is depended on by `crates-index-diff v4.0.0`
[INFO] [stderr]     ... which is depended on by `cratesfyi v0.6.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `git2`
[INFO] [stderr] 
[INFO] [stderr] package `libgit2-sys v0.12.12+1.0.1`
[INFO] [stderr]     ... which is depended on by `cargo v0.49.0 (https://github.com/rust-lang/cargo.git#6585cda2)`
[INFO] [stderr]     ... which is depended on by `cratesfyi v0.6.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `git2`
[INFO] running `Command { std: "docker" "inspect" "92127114d5069c5b10f8ecbcf41c99106550c6bc0130b241f7f78bd31e5631f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92127114d5069c5b10f8ecbcf41c99106550c6bc0130b241f7f78bd31e5631f2", kill_on_drop: false }`
[INFO] [stdout] 92127114d5069c5b10f8ecbcf41c99106550c6bc0130b241f7f78bd31e5631f2