[INFO] fetching crate slog-env-cfg 0.6.0...
[INFO] checking slog-env-cfg-0.6.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate slog-env-cfg 0.6.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate slog-env-cfg 0.6.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-env-cfg 0.6.0
[INFO] finished tweaking crates.io crate slog-env-cfg 0.6.0
[INFO] tweaked toml for crates.io crate slog-env-cfg 0.6.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate slog-env-cfg 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded serial_test_derive v0.2.0
[INFO] [stderr]   Downloaded crossbeam v0.7.2
[INFO] [stderr]   Downloaded serial_test v0.2.0
[INFO] [stderr]   Downloaded slog-term v2.4.1
[INFO] [stderr]   Downloaded serde v1.0.97
[INFO] [stderr]   Downloaded cc v1.0.38
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded slog-scope v4.1.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded syn v0.15.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe9efe80fefe10a8742d9d3299db77dba3e3258e66a32f6c1a0188814f51312
[INFO] running `Command { std: "docker" "start" "-a" "6fe9efe80fefe10a8742d9d3299db77dba3e3258e66a32f6c1a0188814f51312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe9efe80fefe10a8742d9d3299db77dba3e3258e66a32f6c1a0188814f51312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe9efe80fefe10a8742d9d3299db77dba3e3258e66a32f6c1a0188814f51312", kill_on_drop: false }`
[INFO] [stdout] 6fe9efe80fefe10a8742d9d3299db77dba3e3258e66a32f6c1a0188814f51312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed6c0107d830ddeddc9cd51a736fcb7f78b7c98fecafe379f3c03d3c14f0a824
[INFO] running `Command { std: "docker" "start" "-a" "ed6c0107d830ddeddc9cd51a736fcb7f78b7c98fecafe379f3c03d3c14f0a824", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking serial_test v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking slog-scope v4.1.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]     Checking slog-envlogger v2.2.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking slog-env-cfg v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serial_test_derive v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "ed6c0107d830ddeddc9cd51a736fcb7f78b7c98fecafe379f3c03d3c14f0a824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6c0107d830ddeddc9cd51a736fcb7f78b7c98fecafe379f3c03d3c14f0a824", kill_on_drop: false }`
[INFO] [stdout] ed6c0107d830ddeddc9cd51a736fcb7f78b7c98fecafe379f3c03d3c14f0a824