[INFO] fetching crate ledb-derive 0.4.0...
[INFO] checking ledb-derive-0.4.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate ledb-derive 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ledb-derive 0.4.0 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledb-derive 0.4.0
[INFO] finished tweaking crates.io crate ledb-derive 0.4.0
[INFO] tweaked toml for crates.io crate ledb-derive 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dunce v1.0.1
[INFO] [stderr]   Downloaded supercow v0.1.0
[INFO] [stderr]   Downloaded ledb-derive v0.4.0
[INFO] [stderr]   Downloaded ledb-types v0.4.0
[INFO] [stderr]   Downloaded liblmdb-sys v0.2.2
[INFO] [stderr]   Downloaded ledb v0.4.0
[INFO] [stderr]   Downloaded lmdb-zero v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b72be9276a50d15c0ce0de7f0509b42f489a47b043eeef516d9871b9ad7355
[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" "f7b72be9276a50d15c0ce0de7f0509b42f489a47b043eeef516d9871b9ad7355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b72be9276a50d15c0ce0de7f0509b42f489a47b043eeef516d9871b9ad7355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b72be9276a50d15c0ce0de7f0509b42f489a47b043eeef516d9871b9ad7355", kill_on_drop: false }`
[INFO] [stdout] f7b72be9276a50d15c0ce0de7f0509b42f489a47b043eeef516d9871b9ad7355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e1d3237d5bd080d82d4009c27d2cd7481f66f86a972215d954caea4e99273e
[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" "35e1d3237d5bd080d82d4009c27d2cd7481f66f86a972215d954caea4e99273e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking ledb-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]    Compiling ledb-derive v0.4.0
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ledb-types v0.4.0
[INFO] [stderr]     Checking ledb v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.56s
[INFO] running `Command { std: "docker" "inspect" "35e1d3237d5bd080d82d4009c27d2cd7481f66f86a972215d954caea4e99273e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e1d3237d5bd080d82d4009c27d2cd7481f66f86a972215d954caea4e99273e", kill_on_drop: false }`
[INFO] [stdout] 35e1d3237d5bd080d82d4009c27d2cd7481f66f86a972215d954caea4e99273e