[INFO] fetching crate xenu-background 0.1.1...
[INFO] checking xenu-background-0.1.1 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate xenu-background 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xenu-background 0.1.1 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xenu-background 0.1.1
[INFO] finished tweaking crates.io crate xenu-background 0.1.1
[INFO] tweaked toml for crates.io crate xenu-background 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded rayon v1.4.0
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded rayon-core v1.8.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.20
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded png v0.5.2
[INFO] [stderr]   Downloaded imagefmt v4.0.0
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded palette v0.2.1
[INFO] [stderr]   Downloaded xcb v0.7.8
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded picto v0.1.2
[INFO] [stderr]   Downloaded xcb-util v0.1.8
[INFO] [stderr]   Downloaded xyz v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1fea7d15c9ebacb34bb9d09858e4518bba0c23e1d637ea84fae5cc9b0bd279c
[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" "d1fea7d15c9ebacb34bb9d09858e4518bba0c23e1d637ea84fae5cc9b0bd279c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1fea7d15c9ebacb34bb9d09858e4518bba0c23e1d637ea84fae5cc9b0bd279c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1fea7d15c9ebacb34bb9d09858e4518bba0c23e1d637ea84fae5cc9b0bd279c", kill_on_drop: false }`
[INFO] [stdout] d1fea7d15c9ebacb34bb9d09858e4518bba0c23e1d637ea84fae5cc9b0bd279c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] f1a4fc1ad0bf3e62ce517a5bdb9c7a4f19a7f80499243f9db0ba97bb47a7d667
[INFO] running `Command { std: "docker" "start" "-a" "f1a4fc1ad0bf3e62ce517a5bdb9c7a4f19a7f80499243f9db0ba97bb47a7d667", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking phf v0.7.24
[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 memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling xcb v0.7.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking xyz v0.2.1
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking imagefmt v4.0.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking picto v0.1.2
[INFO] [stderr]     Checking xcb-util v0.1.8
[INFO] [stderr]     Checking xenu-background v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.09s
[INFO] running `Command { std: "docker" "inspect" "f1a4fc1ad0bf3e62ce517a5bdb9c7a4f19a7f80499243f9db0ba97bb47a7d667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a4fc1ad0bf3e62ce517a5bdb9c7a4f19a7f80499243f9db0ba97bb47a7d667", kill_on_drop: false }`
[INFO] [stdout] f1a4fc1ad0bf3e62ce517a5bdb9c7a4f19a7f80499243f9db0ba97bb47a7d667