[INFO] fetching crate mailme 0.1.1...
[INFO] checking mailme-0.1.1 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate mailme 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mailme 0.1.1 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailme 0.1.1
[INFO] finished tweaking crates.io crate mailme 0.1.1
[INFO] tweaked toml for crates.io crate mailme 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 652b4a11db46053960666f9c41e74b75fd33ab3063e049cf96422472e4c7b360
[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" "652b4a11db46053960666f9c41e74b75fd33ab3063e049cf96422472e4c7b360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652b4a11db46053960666f9c41e74b75fd33ab3063e049cf96422472e4c7b360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652b4a11db46053960666f9c41e74b75fd33ab3063e049cf96422472e4c7b360", kill_on_drop: false }`
[INFO] [stdout] 652b4a11db46053960666f9c41e74b75fd33ab3063e049cf96422472e4c7b360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12c4ebfb104ec83255fddeeae1cb2cd66c29fc09b65027aa57879c2ff376ed3
[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" "a12c4ebfb104ec83255fddeeae1cb2cd66c29fc09b65027aa57879c2ff376ed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling tokio v0.3.5
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tokio-rustls v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking mailme v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.27s
[INFO] running `Command { std: "docker" "inspect" "a12c4ebfb104ec83255fddeeae1cb2cd66c29fc09b65027aa57879c2ff376ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12c4ebfb104ec83255fddeeae1cb2cd66c29fc09b65027aa57879c2ff376ed3", kill_on_drop: false }`
[INFO] [stdout] a12c4ebfb104ec83255fddeeae1cb2cd66c29fc09b65027aa57879c2ff376ed3