[INFO] fetching crate souvenir-core 0.5.5...
[INFO] testing souvenir-core-0.5.5 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate souvenir-core 0.5.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate souvenir-core 0.5.5
[INFO] finished tweaking crates.io crate souvenir-core 0.5.5
[INFO] tweaked toml for crates.io crate souvenir-core 0.5.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate souvenir-core 0.5.5 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate souvenir-core 0.5.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded url v2.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 018052d9c399c7f6c26e9003ba0efe5417d1eb860dd7529cc1077f1704ba12f1
[INFO] running `Command { std: "docker" "start" "-a" "018052d9c399c7f6c26e9003ba0efe5417d1eb860dd7529cc1077f1704ba12f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "018052d9c399c7f6c26e9003ba0efe5417d1eb860dd7529cc1077f1704ba12f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018052d9c399c7f6c26e9003ba0efe5417d1eb860dd7529cc1077f1704ba12f1", kill_on_drop: false }`
[INFO] [stdout] 018052d9c399c7f6c26e9003ba0efe5417d1eb860dd7529cc1077f1704ba12f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f83630b011854a87ad6c29c227b3fa5894531e8a98485b9f3749769854cb3581
[INFO] running `Command { std: "docker" "start" "-a" "f83630b011854a87ad6c29c227b3fa5894531e8a98485b9f3749769854cb3581", kill_on_drop: false }`
[INFO] [stderr]    Compiling souvenir-core v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "f83630b011854a87ad6c29c227b3fa5894531e8a98485b9f3749769854cb3581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83630b011854a87ad6c29c227b3fa5894531e8a98485b9f3749769854cb3581", kill_on_drop: false }`
[INFO] [stdout] f83630b011854a87ad6c29c227b3fa5894531e8a98485b9f3749769854cb3581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90868cd63675c76e5978bc97b251962cbfb4e6088edf8a2ef59102647e43d9c0
[INFO] running `Command { std: "docker" "start" "-a" "90868cd63675c76e5978bc97b251962cbfb4e6088edf8a2ef59102647e43d9c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling souvenir-core v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> src/encoding/suffix.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     use rand::random;
[INFO] [stdout]    |         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `souvenir-core` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "90868cd63675c76e5978bc97b251962cbfb4e6088edf8a2ef59102647e43d9c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90868cd63675c76e5978bc97b251962cbfb4e6088edf8a2ef59102647e43d9c0", kill_on_drop: false }`
[INFO] [stdout] 90868cd63675c76e5978bc97b251962cbfb4e6088edf8a2ef59102647e43d9c0
