[INFO] updating cached repository https://github.com/davidrjonas/cargo-lockdiff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0006400770c2097cf908961aff1e59eb7e02bfd7
[INFO] checking davidrjonas/cargo-lockdiff against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidrjonas%2Fcargo-lockdiff" "/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/davidrjonas/cargo-lockdiff on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidrjonas/cargo-lockdiff
[INFO] finished tweaking git repo https://github.com/davidrjonas/cargo-lockdiff
[INFO] tweaked toml for git repo https://github.com/davidrjonas/cargo-lockdiff written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/davidrjonas/cargo-lockdiff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", 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] a0a68f261a81172ab38042d0fc7c5441f367b0e44d3a5cd7daf6092d9c052a52
[INFO] running `Command { std: "docker" "start" "-a" "a0a68f261a81172ab38042d0fc7c5441f367b0e44d3a5cd7daf6092d9c052a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a68f261a81172ab38042d0fc7c5441f367b0e44d3a5cd7daf6092d9c052a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a68f261a81172ab38042d0fc7c5441f367b0e44d3a5cd7daf6092d9c052a52", kill_on_drop: false }`
[INFO] [stdout] a0a68f261a81172ab38042d0fc7c5441f367b0e44d3a5cd7daf6092d9c052a52
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 218a7a01dcb8777de2900dba1a37d2dc1fed244e26eba2b32d02144df4144f27
[INFO] running `Command { std: "docker" "start" "-a" "218a7a01dcb8777de2900dba1a37d2dc1fed244e26eba2b32d02144df4144f27", kill_on_drop: false }`
[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 libc v0.2.68
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking itoa v0.4.5
[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 paw-raw v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking encode_unicode v0.3.6
[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]    Compiling quote v1.0.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking idna v0.2.0
[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 56.57s
[INFO] running `Command { std: "docker" "inspect" "218a7a01dcb8777de2900dba1a37d2dc1fed244e26eba2b32d02144df4144f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218a7a01dcb8777de2900dba1a37d2dc1fed244e26eba2b32d02144df4144f27", kill_on_drop: false }`
[INFO] [stdout] 218a7a01dcb8777de2900dba1a37d2dc1fed244e26eba2b32d02144df4144f27