[INFO] cloning repository https://github.com/pitkley/dfw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pitkley/dfw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpitkley%2Fdfw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpitkley%2Fdfw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d47e9d0fb136ded1a1b1af1866c04f79ada6721
[INFO] checking pitkley/dfw against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpitkley%2Fdfw" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pitkley/dfw on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pitkley/dfw
[INFO] finished tweaking git repo https://github.com/pitkley/dfw
[INFO] tweaked toml for git repo https://github.com/pitkley/dfw written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/pitkley/dfw already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 5cbf2207961a4128fce762543e79cb9d331019471ba0665e8e2ae5c66ea56a84
[INFO] running `Command { std: "docker" "start" "-a" "5cbf2207961a4128fce762543e79cb9d331019471ba0665e8e2ae5c66ea56a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cbf2207961a4128fce762543e79cb9d331019471ba0665e8e2ae5c66ea56a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cbf2207961a4128fce762543e79cb9d331019471ba0665e8e2ae5c66ea56a84", kill_on_drop: false }`
[INFO] [stdout] 5cbf2207961a4128fce762543e79cb9d331019471ba0665e8e2ae5c66ea56a84
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b11b66d01e716a829ad72bed546eaed8ce6197f55e301ff953f8364778887ecb
[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" "b11b66d01e716a829ad72bed546eaed8ce6197f55e301ff953f8364778887ecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking arc-swap v1.3.0
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling dfw v1.3.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking libflate v1.1.0
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_with v1.9.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking eval v0.4.3
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking sloggers v2.0.1
[INFO] [stderr]     Checking bollard-stubs v1.41.0
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking bollard v0.11.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "b11b66d01e716a829ad72bed546eaed8ce6197f55e301ff953f8364778887ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11b66d01e716a829ad72bed546eaed8ce6197f55e301ff953f8364778887ecb", kill_on_drop: false }`
[INFO] [stdout] b11b66d01e716a829ad72bed546eaed8ce6197f55e301ff953f8364778887ecb