[INFO] fetching crate lifeline 0.6.1...
[INFO] checking lifeline-0.6.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate lifeline 0.6.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lifeline 0.6.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lifeline 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lifeline 0.6.1
[INFO] tweaked toml for crates.io crate lifeline 0.6.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate lifeline 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded simple_logger v1.11.0
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded pin-project-internal v1.0.4
[INFO] [stderr]   Downloaded pollster v0.2.1
[INFO] [stderr]   Downloaded pin-project v1.0.4
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded ctor v0.1.18
[INFO] [stderr]   Downloaded thread_local v1.1.2
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded postage v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", 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] d96e53486c0a52687b57e576b5916ae4ee153ea368ac01ea7fd3d456b078ab7a
[INFO] running `Command { std: "docker" "start" "-a" "d96e53486c0a52687b57e576b5916ae4ee153ea368ac01ea7fd3d456b078ab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d96e53486c0a52687b57e576b5916ae4ee153ea368ac01ea7fd3d456b078ab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96e53486c0a52687b57e576b5916ae4ee153ea368ac01ea7fd3d456b078ab7a", kill_on_drop: false }`
[INFO] [stdout] d96e53486c0a52687b57e576b5916ae4ee153ea368ac01ea7fd3d456b078ab7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da310a644eef8da38395de41808dc7a94206a888f6b3341150da719f10fb35f8
[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" "da310a644eef8da38395de41808dc7a94206a888f6b3341150da719f10fb35f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking pollster v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking postage v0.4.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking lifeline v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.18s
[INFO] running `Command { std: "docker" "inspect" "da310a644eef8da38395de41808dc7a94206a888f6b3341150da719f10fb35f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da310a644eef8da38395de41808dc7a94206a888f6b3341150da719f10fb35f8", kill_on_drop: false }`
[INFO] [stdout] da310a644eef8da38395de41808dc7a94206a888f6b3341150da719f10fb35f8