[INFO] crate git-box 0.2.0 is already in cache
[INFO] checking git-box-0.2.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate git-box 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate git-box 0.2.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-box 0.2.0
[INFO] finished tweaking crates.io crate git-box 0.2.0
[INFO] tweaked toml for crates.io crate git-box 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d11ae8b5785e4b7f761638decc4aca390f4a56d243c4af20dbf8d1953a4ed72
[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" "5d11ae8b5785e4b7f761638decc4aca390f4a56d243c4af20dbf8d1953a4ed72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d11ae8b5785e4b7f761638decc4aca390f4a56d243c4af20dbf8d1953a4ed72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d11ae8b5785e4b7f761638decc4aca390f4a56d243c4af20dbf8d1953a4ed72", kill_on_drop: false }`
[INFO] [stdout] 5d11ae8b5785e4b7f761638decc4aca390f4a56d243c4af20dbf8d1953a4ed72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b988c2e1eb2fb8ff2215cd2130a95e4412e5ecd31c3fa0b16b501e14c857044f
[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" "b988c2e1eb2fb8ff2215cd2130a95e4412e5ecd31c3fa0b16b501e14c857044f", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `ssh2`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `libssh2-sys v0.1.41`
[INFO] [stderr]     ... which is depended on by `ssh2 v0.2.15`
[INFO] [stderr]     ... which is depended on by `git-box v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `ssh2`
[INFO] [stderr] 
[INFO] [stderr] package `libssh2-sys v0.2.18`
[INFO] [stderr]     ... which is depended on by `libgit2-sys v0.3.12`
[INFO] [stderr]     ... which is depended on by `git2 v0.3.4`
[INFO] [stderr]     ... which is depended on by `git-box v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `ssh2`
[INFO] running `Command { std: "docker" "inspect" "b988c2e1eb2fb8ff2215cd2130a95e4412e5ecd31c3fa0b16b501e14c857044f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b988c2e1eb2fb8ff2215cd2130a95e4412e5ecd31c3fa0b16b501e14c857044f", kill_on_drop: false }`
[INFO] [stdout] b988c2e1eb2fb8ff2215cd2130a95e4412e5ecd31c3fa0b16b501e14c857044f