[INFO] crate moleculec 0.6.0 is already in cache
[INFO] checking moleculec-0.6.0 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate moleculec 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate moleculec 0.6.0 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate moleculec 0.6.0
[INFO] finished tweaking crates.io crate moleculec 0.6.0
[INFO] tweaked toml for crates.io crate moleculec 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate moleculec 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3943b91b1c2f1417a3bcebc45c16d9c0ba8449b794534c793d48e13cec8c736b
[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" "3943b91b1c2f1417a3bcebc45c16d9c0ba8449b794534c793d48e13cec8c736b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3943b91b1c2f1417a3bcebc45c16d9c0ba8449b794534c793d48e13cec8c736b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3943b91b1c2f1417a3bcebc45c16d9c0ba8449b794534c793d48e13cec8c736b", kill_on_drop: false }`
[INFO] [stdout] 3943b91b1c2f1417a3bcebc45c16d9c0ba8449b794534c793d48e13cec8c736b
[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" "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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1cda98bc9db2c5e36168ecb57a5eb4803a97b8ad8ac3dc688046927ce647c7a
[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" "e1cda98bc9db2c5e36168ecb57a5eb4803a97b8ad8ac3dc688046927ce647c7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking case v1.0.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking molecule v0.6.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking which v3.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling property v0.3.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking molecule-codegen v0.6.0
[INFO] [stderr]     Checking moleculec v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "e1cda98bc9db2c5e36168ecb57a5eb4803a97b8ad8ac3dc688046927ce647c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1cda98bc9db2c5e36168ecb57a5eb4803a97b8ad8ac3dc688046927ce647c7a", kill_on_drop: false }`
[INFO] [stdout] e1cda98bc9db2c5e36168ecb57a5eb4803a97b8ad8ac3dc688046927ce647c7a