[INFO] crate wharf 0.1.10 is already in cache
[INFO] checking wharf-0.1.10 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate wharf 0.1.10 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate wharf 0.1.10 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wharf 0.1.10
[INFO] finished tweaking crates.io crate wharf 0.1.10
[INFO] tweaked toml for crates.io crate wharf 0.1.10 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate wharf 0.1.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 914529d334779435e943cb49ddcfe7afe4b9221cc7390038f998ecb52d31edd5
[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" "914529d334779435e943cb49ddcfe7afe4b9221cc7390038f998ecb52d31edd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "914529d334779435e943cb49ddcfe7afe4b9221cc7390038f998ecb52d31edd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914529d334779435e943cb49ddcfe7afe4b9221cc7390038f998ecb52d31edd5", kill_on_drop: false }`
[INFO] [stdout] 914529d334779435e943cb49ddcfe7afe4b9221cc7390038f998ecb52d31edd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] ffe60b47a7beb35f4fa3f171c5d769eb7c8a8fa04ff2730d2d789bbec29d2e3e
[INFO] running `Command { std: "docker" "start" "-a" "ffe60b47a7beb35f4fa3f171c5d769eb7c8a8fa04ff2730d2d789bbec29d2e3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking wharf v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "ffe60b47a7beb35f4fa3f171c5d769eb7c8a8fa04ff2730d2d789bbec29d2e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe60b47a7beb35f4fa3f171c5d769eb7c8a8fa04ff2730d2d789bbec29d2e3e", kill_on_drop: false }`
[INFO] [stdout] ffe60b47a7beb35f4fa3f171c5d769eb7c8a8fa04ff2730d2d789bbec29d2e3e