[INFO] fetching crate taskcluster 42.1.1...
[INFO] checking taskcluster-42.1.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate taskcluster 42.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate taskcluster 42.1.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taskcluster 42.1.1
[INFO] finished tweaking crates.io crate taskcluster 42.1.1
[INFO] tweaked toml for crates.io crate taskcluster 42.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a05f3a8e84db7434d9ae1407b65b8e93584f885d2c0628054e657eea3e0aa74
[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" "0a05f3a8e84db7434d9ae1407b65b8e93584f885d2c0628054e657eea3e0aa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a05f3a8e84db7434d9ae1407b65b8e93584f885d2c0628054e657eea3e0aa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a05f3a8e84db7434d9ae1407b65b8e93584f885d2c0628054e657eea3e0aa74", kill_on_drop: false }`
[INFO] [stdout] 0a05f3a8e84db7434d9ae1407b65b8e93584f885d2c0628054e657eea3e0aa74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612b8d60b696d949834ce5a290d636f88bc670281809eb5321f299b4a2bddb0d
[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" "612b8d60b696d949834ce5a290d636f88bc670281809eb5321f299b4a2bddb0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling hawk v3.2.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking openssl-sys v0.9.61
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking openssl v0.10.33
[INFO] [stderr]     Checking slugid v1.0.0
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tokio-util v0.6.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking httptest v0.15.1
[INFO] [stderr]     Checking reqwest v0.11.2
[INFO] [stderr]     Checking taskcluster v42.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "612b8d60b696d949834ce5a290d636f88bc670281809eb5321f299b4a2bddb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612b8d60b696d949834ce5a290d636f88bc670281809eb5321f299b4a2bddb0d", kill_on_drop: false }`
[INFO] [stdout] 612b8d60b696d949834ce5a290d636f88bc670281809eb5321f299b4a2bddb0d