[INFO] fetching crate cargo-diet 1.2.0...
[INFO] checking cargo-diet-1.2.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate cargo-diet 1.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cargo-diet 1.2.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-diet 1.2.0
[INFO] finished tweaking crates.io crate cargo-diet 1.2.0
[INFO] tweaked toml for crates.io crate cargo-diet 1.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate cargo-diet 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-unit v3.1.4
[INFO] [stderr]   Downloaded ascii_table v3.0.1
[INFO] [stderr]   Downloaded locate-cargo-manifest v0.2.0
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] [stderr]   Downloaded criner-waste-report v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63b21a043e045c0392d806cc2b2b40d62605064256dd9548968b2a95a5c07ff8
[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" "63b21a043e045c0392d806cc2b2b40d62605064256dd9548968b2a95a5c07ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b21a043e045c0392d806cc2b2b40d62605064256dd9548968b2a95a5c07ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b21a043e045c0392d806cc2b2b40d62605064256dd9548968b2a95a5c07ff8", kill_on_drop: false }`
[INFO] [stdout] 63b21a043e045c0392d806cc2b2b40d62605064256dd9548968b2a95a5c07ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2923342cd6656064614ddbe4f1c98d766ec9b834f5d3a8b67fd4aa6a1c14104
[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" "e2923342cd6656064614ddbe4f1c98d766ec9b834f5d3a8b67fd4aa6a1c14104", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking ascii_table v3.0.1
[INFO] [stderr]     Checking byte-unit v3.1.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking locate-cargo-manifest v0.2.0
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking criner-waste-report v0.1.4
[INFO] [stderr]     Checking cargo-diet v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "e2923342cd6656064614ddbe4f1c98d766ec9b834f5d3a8b67fd4aa6a1c14104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2923342cd6656064614ddbe4f1c98d766ec9b834f5d3a8b67fd4aa6a1c14104", kill_on_drop: false }`
[INFO] [stdout] e2923342cd6656064614ddbe4f1c98d766ec9b834f5d3a8b67fd4aa6a1c14104