[INFO] fetching crate rustmann 0.5.1...
[INFO] checking rustmann-0.5.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate rustmann 0.5.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rustmann 0.5.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustmann 0.5.1
[INFO] finished tweaking crates.io crate rustmann 0.5.1
[INFO] tweaked toml for crates.io crate rustmann 0.5.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rustmann 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded tokio-util v0.4.0
[INFO] [stderr]   Downloaded tokio-rustls v0.20.0
[INFO] [stderr]   Downloaded tokio-macros v0.3.1
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded structopt-derive v0.3.5
[INFO] [stderr]   Downloaded mio v0.7.4
[INFO] [stderr]   Downloaded tokio v0.3.1
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded getset v0.1.1
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 7ce92e0a5258a9280f8c0f6e4ffd0ad807cd63f7d9593609fb1b58e531e52572
[INFO] running `Command { std: "docker" "start" "-a" "7ce92e0a5258a9280f8c0f6e4ffd0ad807cd63f7d9593609fb1b58e531e52572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce92e0a5258a9280f8c0f6e4ffd0ad807cd63f7d9593609fb1b58e531e52572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce92e0a5258a9280f8c0f6e4ffd0ad807cd63f7d9593609fb1b58e531e52572", kill_on_drop: false }`
[INFO] [stdout] 7ce92e0a5258a9280f8c0f6e4ffd0ad807cd63f7d9593609fb1b58e531e52572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 1a7fc39c09572ed45852a7d3e173f1c08cf00ea1cfbd8f9f4902c73e0574963c
[INFO] running `Command { std: "docker" "start" "-a" "1a7fc39c09572ed45852a7d3e173f1c08cf00ea1cfbd8f9f4902c73e0574963c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking tokio v0.3.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tokio-util v0.4.0
[INFO] [stderr]    Compiling rustmann v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "1a7fc39c09572ed45852a7d3e173f1c08cf00ea1cfbd8f9f4902c73e0574963c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7fc39c09572ed45852a7d3e173f1c08cf00ea1cfbd8f9f4902c73e0574963c", kill_on_drop: false }`
[INFO] [stdout] 1a7fc39c09572ed45852a7d3e173f1c08cf00ea1cfbd8f9f4902c73e0574963c