[INFO] fetching crate graph 0.1.2...
[INFO] checking graph-0.1.2 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate graph 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate graph 0.1.2 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graph 0.1.2
[INFO] finished tweaking crates.io crate graph 0.1.2
[INFO] tweaked toml for crates.io crate graph 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate graph 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded delegate v0.6.1
[INFO] [stderr]   Downloaded atomic_float v0.1.0
[INFO] [stderr]   Downloaded linereader v0.4.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] 2c29908b7a0648f6bdf8b5a49186cc00d21577d9f1d9c4b371d2c236cca9768f
[INFO] running `Command { std: "docker" "start" "-a" "2c29908b7a0648f6bdf8b5a49186cc00d21577d9f1d9c4b371d2c236cca9768f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c29908b7a0648f6bdf8b5a49186cc00d21577d9f1d9c4b371d2c236cca9768f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c29908b7a0648f6bdf8b5a49186cc00d21577d9f1d9c4b371d2c236cca9768f", kill_on_drop: false }`
[INFO] [stdout] 2c29908b7a0648f6bdf8b5a49186cc00d21577d9f1d9c4b371d2c236cca9768f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f3c4ab54bf95508d60244a9c45148432783eb16166eb1199d8fe408381920a2
[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" "4f3c4ab54bf95508d60244a9c45148432783eb16166eb1199d8fe408381920a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking atomic_float v0.1.0
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking linereader v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking atoi v0.4.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling delegate v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking graph v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.74s
[INFO] running `Command { std: "docker" "inspect" "4f3c4ab54bf95508d60244a9c45148432783eb16166eb1199d8fe408381920a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3c4ab54bf95508d60244a9c45148432783eb16166eb1199d8fe408381920a2", kill_on_drop: false }`
[INFO] [stdout] 4f3c4ab54bf95508d60244a9c45148432783eb16166eb1199d8fe408381920a2