[INFO] fetching crate rustmann 0.4.2...
[INFO] checking rustmann-0.4.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate rustmann 0.4.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustmann 0.4.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustmann 0.4.2
[INFO] finished tweaking crates.io crate rustmann 0.4.2
[INFO] tweaked toml for crates.io crate rustmann 0.4.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rustmann 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]   Downloaded tokio-macros v0.2.4
[INFO] [stderr]   Downloaded js-sys v0.3.35
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded thiserror v1.0.16
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] [stderr]   Downloaded webpki v0.21.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.58
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.8
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.58
[INFO] [stderr]   Downloaded web-sys v0.3.35
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.58
[INFO] [stderr]   Downloaded webpki-roots v0.17.0
[INFO] [stderr]   Downloaded structopt-derive v0.3.5
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded rustversion v1.0.2
[INFO] [stderr]   Downloaded multimap v0.8.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
[INFO] [stderr]   Downloaded which v3.1.0
[INFO] [stderr]   Downloaded tokio-rustls v0.13.0
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded proc-macro-error v0.4.8
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded getset v0.0.7
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] e7de0768d63867815b2ebd13ba9599ce557051dd52fe8d6bfc58204540aac390
[INFO] running `Command { std: "docker" "start" "-a" "e7de0768d63867815b2ebd13ba9599ce557051dd52fe8d6bfc58204540aac390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7de0768d63867815b2ebd13ba9599ce557051dd52fe8d6bfc58204540aac390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7de0768d63867815b2ebd13ba9599ce557051dd52fe8d6bfc58204540aac390", kill_on_drop: false }`
[INFO] [stdout] e7de0768d63867815b2ebd13ba9599ce557051dd52fe8d6bfc58204540aac390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d222ef0770fc0dfb15555a53a9d16805156b7006177c651697a6c89fcfd119a
[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" "0d222ef0770fc0dfb15555a53a9d16805156b7006177c651697a6c89fcfd119a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling rustmann v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "0d222ef0770fc0dfb15555a53a9d16805156b7006177c651697a6c89fcfd119a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d222ef0770fc0dfb15555a53a9d16805156b7006177c651697a6c89fcfd119a", kill_on_drop: false }`
[INFO] [stdout] 0d222ef0770fc0dfb15555a53a9d16805156b7006177c651697a6c89fcfd119a