[INFO] fetching crate cntr 1.5.1...
[INFO] checking cntr-1.5.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate cntr 1.5.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cntr 1.5.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cntr 1.5.1
[INFO] finished tweaking crates.io crate cntr 1.5.1
[INFO] tweaked toml for crates.io crate cntr 1.5.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate cntr 1.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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 cntr-fuse v0.4.1
[INFO] [stderr]   Downloaded concurrent-hashmap v0.2.2
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f711da3665ff6841b70d5be0b7cc5ab16a13593cc79b1998be272e835ed7a6c
[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" "8f711da3665ff6841b70d5be0b7cc5ab16a13593cc79b1998be272e835ed7a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f711da3665ff6841b70d5be0b7cc5ab16a13593cc79b1998be272e835ed7a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f711da3665ff6841b70d5be0b7cc5ab16a13593cc79b1998be272e835ed7a6c", kill_on_drop: false }`
[INFO] [stdout] 8f711da3665ff6841b70d5be0b7cc5ab16a13593cc79b1998be272e835ed7a6c
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74db537492195036b7896ce4d56a347036db29aae59ba417f088ea35f7559d1
[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" "b74db537492195036b7896ce4d56a347036db29aae59ba417f088ea35f7559d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cntr-fuse-abi v0.4.1
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking concurrent-hashmap v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling cntr-fuse-sys v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking cntr-fuse v0.4.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking cntr v1.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `Command { std: "docker" "inspect" "b74db537492195036b7896ce4d56a347036db29aae59ba417f088ea35f7559d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74db537492195036b7896ce4d56a347036db29aae59ba417f088ea35f7559d1", kill_on_drop: false }`
[INFO] [stdout] b74db537492195036b7896ce4d56a347036db29aae59ba417f088ea35f7559d1