[INFO] fetching crate pasts 0.7.4...
[INFO] checking pasts-0.7.4 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate pasts 0.7.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pasts 0.7.4 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pasts 0.7.4
[INFO] finished tweaking crates.io crate pasts 0.7.4
[INFO] tweaked toml for crates.io crate pasts 0.7.4 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate pasts 0.7.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v1.0.2
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded futures-io v0.3.9
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded async-global-executor v1.4.3
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded pin-project-lite v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04633470629b48e9d4e41366fef604433b2586e14a399ce88c3e8f9b2814bdf6
[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" "04633470629b48e9d4e41366fef604433b2586e14a399ce88c3e8f9b2814bdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04633470629b48e9d4e41366fef604433b2586e14a399ce88c3e8f9b2814bdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04633470629b48e9d4e41366fef604433b2586e14a399ce88c3e8f9b2814bdf6", kill_on_drop: false }`
[INFO] [stdout] 04633470629b48e9d4e41366fef604433b2586e14a399ce88c3e8f9b2814bdf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 82992ed3bc476828568152c9ad5ef5ef3c7d1b1df751b4fd61e139ba62845d95
[INFO] running `Command { std: "docker" "start" "-a" "82992ed3bc476828568152c9ad5ef5ef3c7d1b1df751b4fd61e139ba62845d95", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pasts v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.96s
[INFO] running `Command { std: "docker" "inspect" "82992ed3bc476828568152c9ad5ef5ef3c7d1b1df751b4fd61e139ba62845d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82992ed3bc476828568152c9ad5ef5ef3c7d1b1df751b4fd61e139ba62845d95", kill_on_drop: false }`
[INFO] [stdout] 82992ed3bc476828568152c9ad5ef5ef3c7d1b1df751b4fd61e139ba62845d95