[INFO] cloning repository https://github.com/mrkline/modman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrkline/modman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkline%2Fmodman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkline%2Fmodman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28fc57e0d18689b3eb4b0fbebeea86a39ecb31fb
[INFO] checking mrkline/modman against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkline%2Fmodman" "/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/mrkline/modman on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrkline/modman
[INFO] finished tweaking git repo https://github.com/mrkline/modman
[INFO] tweaked toml for git repo https://github.com/mrkline/modman written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mrkline/modman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baa04d02a67ccb2acc713a1bd6334c7f1198552eb28ac2019e8a90d736040944
[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" "baa04d02a67ccb2acc713a1bd6334c7f1198552eb28ac2019e8a90d736040944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baa04d02a67ccb2acc713a1bd6334c7f1198552eb28ac2019e8a90d736040944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa04d02a67ccb2acc713a1bd6334c7f1198552eb28ac2019e8a90d736040944", kill_on_drop: false }`
[INFO] [stdout] baa04d02a67ccb2acc713a1bd6334c7f1198552eb28ac2019e8a90d736040944
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 967ad9603b18397f3b34939d9f19d98cf2282246517b50584db4584dc07a134a
[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" "967ad9603b18397f3b34939d9f19d98cf2282246517b50584db4584dc07a134a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking piz v0.3.0
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking modman v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `piz::read`
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `read` in `read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `piz::read`
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `read` in `read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `piz` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `piz` could refer to a crate passed with `--extern`
[INFO] [stdout]   = help: use `::piz` to refer to this crate unambiguously
[INFO] [stdout] note: `piz` could also refer to the module imported here
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: use `self::piz` to refer to this module unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `piz` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `piz` could refer to a crate passed with `--extern`
[INFO] [stdout]   = help: use `::piz` to refer to this crate unambiguously
[INFO] [stdout] note: `piz` could also refer to the module imported here
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: use `self::piz` to refer to this module unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `modman`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "967ad9603b18397f3b34939d9f19d98cf2282246517b50584db4584dc07a134a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967ad9603b18397f3b34939d9f19d98cf2282246517b50584db4584dc07a134a", kill_on_drop: false }`
[INFO] [stdout] 967ad9603b18397f3b34939d9f19d98cf2282246517b50584db4584dc07a134a