[INFO] fetching crate wasm-profiler 0.1.0...
[INFO] checking wasm-profiler-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate wasm-profiler 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wasm-profiler 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-profiler 0.1.0
[INFO] finished tweaking crates.io crate wasm-profiler 0.1.0
[INFO] tweaked toml for crates.io crate wasm-profiler 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] dc037d249e5dbc0f957e09d5817563e0b842186bd0c1fb5db3575c878e627e19
[INFO] running `Command { std: "docker" "start" "-a" "dc037d249e5dbc0f957e09d5817563e0b842186bd0c1fb5db3575c878e627e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc037d249e5dbc0f957e09d5817563e0b842186bd0c1fb5db3575c878e627e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc037d249e5dbc0f957e09d5817563e0b842186bd0c1fb5db3575c878e627e19", kill_on_drop: false }`
[INFO] [stdout] dc037d249e5dbc0f957e09d5817563e0b842186bd0c1fb5db3575c878e627e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c87d1d7a0af332bb32261a5918ff6f30c6640e9ccd97097d2931a3fd5f3c4d1
[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" "8c87d1d7a0af332bb32261a5918ff6f30c6640e9ccd97097d2931a3fd5f3c4d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking parity-wasm v0.39.0
[INFO] [stderr]     Checking libc v0.2.81
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking wasm-profiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:26:70
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn import_profile_from_file(path: &Path) -> Result<Profiler, Box<Error>> {
[INFO] [stdout]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:26:70
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn import_profile_from_file(path: &Path) -> Result<Profiler, Box<Error>> {
[INFO] [stdout]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:45:72
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn load_module_from_file(&mut self, path: &Path) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:45:72
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn load_module_from_file(&mut self, path: &Path) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.00s
[INFO] running `Command { std: "docker" "inspect" "8c87d1d7a0af332bb32261a5918ff6f30c6640e9ccd97097d2931a3fd5f3c4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c87d1d7a0af332bb32261a5918ff6f30c6640e9ccd97097d2931a3fd5f3c4d1", kill_on_drop: false }`
[INFO] [stdout] 8c87d1d7a0af332bb32261a5918ff6f30c6640e9ccd97097d2931a3fd5f3c4d1