[INFO] fetching crate cargo-lockdiff 0.2.0...
[INFO] checking cargo-lockdiff-0.2.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate cargo-lockdiff 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cargo-lockdiff 0.2.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-lockdiff 0.2.0
[INFO] finished tweaking crates.io crate cargo-lockdiff 0.2.0
[INFO] tweaked toml for crates.io crate cargo-lockdiff 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate cargo-lockdiff 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paw-raw v1.0.0
[INFO] [stderr]   Downloaded paw v1.0.0
[INFO] [stderr]   Downloaded paw-attributes v1.0.2
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da3c4a4408a79f41f738dc4f508c43848683fb524d0f1a304f5a568357301d7b
[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" "da3c4a4408a79f41f738dc4f508c43848683fb524d0f1a304f5a568357301d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da3c4a4408a79f41f738dc4f508c43848683fb524d0f1a304f5a568357301d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3c4a4408a79f41f738dc4f508c43848683fb524d0f1a304f5a568357301d7b", kill_on_drop: false }`
[INFO] [stdout] da3c4a4408a79f41f738dc4f508c43848683fb524d0f1a304f5a568357301d7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba99da9e2f67d6f71931988db2585e891c91b6aa0d280296903daadf5d082b2c
[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" "ba99da9e2f67d6f71931988db2585e891c91b6aa0d280296903daadf5d082b2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking cargo-lock v4.0.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking cargo-lockdiff v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "ba99da9e2f67d6f71931988db2585e891c91b6aa0d280296903daadf5d082b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba99da9e2f67d6f71931988db2585e891c91b6aa0d280296903daadf5d082b2c", kill_on_drop: false }`
[INFO] [stdout] ba99da9e2f67d6f71931988db2585e891c91b6aa0d280296903daadf5d082b2c