[INFO] fetching crate git-box 0.2.0...
[INFO] testing git-box-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate git-box 0.2.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate git-box 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ca379a15436bc989c0da9ab77ebb58196308ba5f5423594e47a3d28141d7093
[INFO] running `Command { std: "docker" "start" "-a" "3ca379a15436bc989c0da9ab77ebb58196308ba5f5423594e47a3d28141d7093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca379a15436bc989c0da9ab77ebb58196308ba5f5423594e47a3d28141d7093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca379a15436bc989c0da9ab77ebb58196308ba5f5423594e47a3d28141d7093", kill_on_drop: false }`
[INFO] [stdout] 3ca379a15436bc989c0da9ab77ebb58196308ba5f5423594e47a3d28141d7093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81f8d424a0720c6420ff77008f5c2fd3a3e635fb9e261a58cb6533e25709751e
[INFO] running `Command { std: "docker" "start" "-a" "81f8d424a0720c6420ff77008f5c2fd3a3e635fb9e261a58cb6533e25709751e", 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 satisfies dependency `libssh2-sys = "^0.1.41"` (locked to 0.1.41) of package `ssh2 v0.2.15`
[INFO] [stderr]     ... which satisfies dependency `ssh2 = "~0.2.10"` (locked to 0.2.15) of package `git-box v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `ssh2`
[INFO] [stderr] 
[INFO] [stderr] package `libssh2-sys v0.2.23`
[INFO] [stderr]     ... which satisfies dependency `libssh2-sys = ">=0"` (locked to 0.2.23) of package `libgit2-sys v0.3.12`
[INFO] [stderr]     ... which satisfies dependency `libgit2-sys = "^0.3.8"` (locked to 0.3.12) of package `git2 v0.3.4`
[INFO] [stderr]     ... which satisfies dependency `git2 = "~0.3.4"` (locked to 0.3.4) of package `git-box v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `ssh2`
[INFO] running `Command { std: "docker" "inspect" "81f8d424a0720c6420ff77008f5c2fd3a3e635fb9e261a58cb6533e25709751e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f8d424a0720c6420ff77008f5c2fd3a3e635fb9e261a58cb6533e25709751e", kill_on_drop: false }`
[INFO] [stdout] 81f8d424a0720c6420ff77008f5c2fd3a3e635fb9e261a58cb6533e25709751e