[INFO] fetching crate rustmann 0.5.0...
[INFO] checking rustmann-0.5.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate rustmann 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustmann 0.5.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustmann 0.5.0
[INFO] finished tweaking crates.io crate rustmann 0.5.0
[INFO] tweaked toml for crates.io crate rustmann 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rustmann 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9451fc7166dffcef72a24c0dfed7e8ac756e30e6a7edcc26781b4d4f76ae0d2
[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" "c9451fc7166dffcef72a24c0dfed7e8ac756e30e6a7edcc26781b4d4f76ae0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9451fc7166dffcef72a24c0dfed7e8ac756e30e6a7edcc26781b4d4f76ae0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9451fc7166dffcef72a24c0dfed7e8ac756e30e6a7edcc26781b4d4f76ae0d2", kill_on_drop: false }`
[INFO] [stdout] c9451fc7166dffcef72a24c0dfed7e8ac756e30e6a7edcc26781b4d4f76ae0d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fff70d22483cc7f33ce73e1d0f0998377a2ac3ea4145dc52f12cb2a9223702e
[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" "2fff70d22483cc7f33ce73e1d0f0998377a2ac3ea4145dc52f12cb2a9223702e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking mio v0.7.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[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 v0.4.27
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tokio-macros v0.3.0
[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 v0.10.2
[INFO] [stderr]     Checking tokio v0.3.0
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tokio-util v0.4.0
[INFO] [stderr]    Compiling rustmann v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `Command { std: "docker" "inspect" "2fff70d22483cc7f33ce73e1d0f0998377a2ac3ea4145dc52f12cb2a9223702e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fff70d22483cc7f33ce73e1d0f0998377a2ac3ea4145dc52f12cb2a9223702e", kill_on_drop: false }`
[INFO] [stdout] 2fff70d22483cc7f33ce73e1d0f0998377a2ac3ea4145dc52f12cb2a9223702e