[INFO] cloning repository https://github.com/jonesnl/musicom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonesnl/musicom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonesnl%2Fmusicom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonesnl%2Fmusicom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be1cba181775a3a673e89d2e4e217ea0e7c9ebb1
[INFO] checking jonesnl/musicom against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonesnl%2Fmusicom" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonesnl/musicom on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonesnl/musicom
[INFO] finished tweaking git repo https://github.com/jonesnl/musicom
[INFO] tweaked toml for git repo https://github.com/jonesnl/musicom written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jonesnl/musicom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty-hex v0.1.1
[INFO] [stderr]   Downloaded gstreamer-sys v0.9.0
[INFO] [stderr]   Downloaded gstreamer v0.16.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] 0de5ce7f1355e9094ad9e607e16efd03930e6bddfb4e814e0db98fbcf619df5d
[INFO] running `Command { std: "docker" "start" "-a" "0de5ce7f1355e9094ad9e607e16efd03930e6bddfb4e814e0db98fbcf619df5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de5ce7f1355e9094ad9e607e16efd03930e6bddfb4e814e0db98fbcf619df5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de5ce7f1355e9094ad9e607e16efd03930e6bddfb4e814e0db98fbcf619df5d", kill_on_drop: false }`
[INFO] [stdout] 0de5ce7f1355e9094ad9e607e16efd03930e6bddfb4e814e0db98fbcf619df5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f9c4d38b95c295da1c009e1f1e78962e82f72dc06852ad2fd57d89614d79fb
[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" "94f9c4d38b95c295da1c009e1f1e78962e82f72dc06852ad2fd57d89614d79fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling gstreamer v0.16.2
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking muldiv v0.2.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.4.4
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gstreamer-sys v0.9.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking cursive_core v0.1.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.10.1
[INFO] [stderr]     Checking cursive v0.15.0
[INFO] [stderr]     Checking musicom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "94f9c4d38b95c295da1c009e1f1e78962e82f72dc06852ad2fd57d89614d79fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f9c4d38b95c295da1c009e1f1e78962e82f72dc06852ad2fd57d89614d79fb", kill_on_drop: false }`
[INFO] [stdout] 94f9c4d38b95c295da1c009e1f1e78962e82f72dc06852ad2fd57d89614d79fb