[INFO] fetching crate cargo-lock 4.0.1...
[INFO] checking cargo-lock-4.0.1 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate cargo-lock 4.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cargo-lock 4.0.1 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-lock 4.0.1
[INFO] finished tweaking crates.io crate cargo-lock 4.0.1
[INFO] tweaked toml for crates.io crate cargo-lock 4.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cargo-lock 4.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c61297108e12d6db1e9a5b8117f462474f45fd14e98505b2c1c92287f8735cee
[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" "c61297108e12d6db1e9a5b8117f462474f45fd14e98505b2c1c92287f8735cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c61297108e12d6db1e9a5b8117f462474f45fd14e98505b2c1c92287f8735cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61297108e12d6db1e9a5b8117f462474f45fd14e98505b2c1c92287f8735cee", kill_on_drop: false }`
[INFO] [stdout] c61297108e12d6db1e9a5b8117f462474f45fd14e98505b2c1c92287f8735cee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23ff303fcfbdd90e710d4a2cf985f72af64f4c74f013b9d45b7bddf85432091b
[INFO] running `Command { std: "docker" "start" "-a" "23ff303fcfbdd90e710d4a2cf985f72af64f4c74f013b9d45b7bddf85432091b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo-lock v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.35s
[INFO] running `Command { std: "docker" "inspect" "23ff303fcfbdd90e710d4a2cf985f72af64f4c74f013b9d45b7bddf85432091b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ff303fcfbdd90e710d4a2cf985f72af64f4c74f013b9d45b7bddf85432091b", kill_on_drop: false }`
[INFO] [stdout] 23ff303fcfbdd90e710d4a2cf985f72af64f4c74f013b9d45b7bddf85432091b