[INFO] fetching crate mp4 0.7.2...
[INFO] checking mp4-0.7.2 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate mp4 0.7.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mp4 0.7.2 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mp4 0.7.2
[INFO] finished tweaking crates.io crate mp4 0.7.2
[INFO] tweaked toml for crates.io crate mp4 0.7.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mp4 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oorandom v11.1.2
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded either v1.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.67
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.67
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.67
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded syn v1.0.40
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded rayon-core v1.8.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded js-sys v0.3.44
[INFO] [stderr]   Downloaded web-sys v0.3.44
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded proc-macro2 v1.0.20
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded rayon v1.4.0
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.67
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c1d4606642eef9611d8dad61dfa95ceb3b7d2f6d7081b4d230b0fde91a093ef
[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" "2c1d4606642eef9611d8dad61dfa95ceb3b7d2f6d7081b4d230b0fde91a093ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c1d4606642eef9611d8dad61dfa95ceb3b7d2f6d7081b4d230b0fde91a093ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1d4606642eef9611d8dad61dfa95ceb3b7d2f6d7081b4d230b0fde91a093ef", kill_on_drop: false }`
[INFO] [stdout] 2c1d4606642eef9611d8dad61dfa95ceb3b7d2f6d7081b4d230b0fde91a093ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d38200703ee7a05c03e8521f01109908c07856387f5419936cf7de1401d87d7d
[INFO] running `Command { std: "docker" "start" "-a" "d38200703ee7a05c03e8521f01109908c07856387f5419936cf7de1401d87d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking mp4 v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "d38200703ee7a05c03e8521f01109908c07856387f5419936cf7de1401d87d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38200703ee7a05c03e8521f01109908c07856387f5419936cf7de1401d87d7d", kill_on_drop: false }`
[INFO] [stdout] d38200703ee7a05c03e8521f01109908c07856387f5419936cf7de1401d87d7d