[INFO] fetching crate fluent-fallback 0.3.0...
[INFO] checking fluent-fallback-0.3.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate fluent-fallback 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fluent-fallback 0.3.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fluent-fallback 0.3.0
[INFO] finished tweaking crates.io crate fluent-fallback 0.3.0
[INFO] tweaked toml for crates.io crate fluent-fallback 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fluent-fallback 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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 chunky-vec v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 1c6e0925e0a18ff335d02eb6ea0d5b4d6f73d479e15ba9387f09ea8f1c009dca
[INFO] running `Command { std: "docker" "start" "-a" "1c6e0925e0a18ff335d02eb6ea0d5b4d6f73d479e15ba9387f09ea8f1c009dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6e0925e0a18ff335d02eb6ea0d5b4d6f73d479e15ba9387f09ea8f1c009dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6e0925e0a18ff335d02eb6ea0d5b4d6f73d479e15ba9387f09ea8f1c009dca", kill_on_drop: false }`
[INFO] [stdout] 1c6e0925e0a18ff335d02eb6ea0d5b4d6f73d479e15ba9387f09ea8f1c009dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20a5ff7b5f18609907fc8a0111c5adae4506f2087544fe53bed19d21d5a5b76d
[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" "20a5ff7b5f18609907fc8a0111c5adae4506f2087544fe53bed19d21d5a5b76d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinystr v0.3.4
[INFO] [stderr]     Checking fluent-syntax v0.10.3
[INFO] [stderr]     Checking chunky-vec v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking type-map v0.4.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling unic-langid-macros-impl v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling ouroboros_macro v0.8.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking unic-langid-macros v0.9.0
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]     Checking intl-memoizer v0.5.1
[INFO] [stderr]     Checking intl_pluralrules v7.0.1
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking ouroboros v0.8.0
[INFO] [stderr]     Checking fluent-bundle v0.14.4
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking fluent-fallback v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.37s
[INFO] running `Command { std: "docker" "inspect" "20a5ff7b5f18609907fc8a0111c5adae4506f2087544fe53bed19d21d5a5b76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a5ff7b5f18609907fc8a0111c5adae4506f2087544fe53bed19d21d5a5b76d", kill_on_drop: false }`
[INFO] [stdout] 20a5ff7b5f18609907fc8a0111c5adae4506f2087544fe53bed19d21d5a5b76d