[INFO] fetching crate taskcluster-upload 43.0.0...
[INFO] checking taskcluster-upload-43.0.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate taskcluster-upload 43.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate taskcluster-upload 43.0.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taskcluster-upload 43.0.0
[INFO] finished tweaking crates.io crate taskcluster-upload 43.0.0
[INFO] tweaked toml for crates.io crate taskcluster-upload 43.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e4f95abda49fcf5a536e46d8fb3bd3fde1f3e6324a2038513563829e50d730
[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" "a7e4f95abda49fcf5a536e46d8fb3bd3fde1f3e6324a2038513563829e50d730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e4f95abda49fcf5a536e46d8fb3bd3fde1f3e6324a2038513563829e50d730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e4f95abda49fcf5a536e46d8fb3bd3fde1f3e6324a2038513563829e50d730", kill_on_drop: false }`
[INFO] [stdout] a7e4f95abda49fcf5a536e46d8fb3bd3fde1f3e6324a2038513563829e50d730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 655b1ebee604d8c60a33120a0d324a2bfb330bb56d5a5b89acf142fc83dddce7
[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" "655b1ebee604d8c60a33120a0d324a2bfb330bb56d5a5b89acf142fc83dddce7", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling hawk v3.2.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking slugid v1.0.0
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking httptest v0.15.2
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking taskcluster v43.2.0
[INFO] [stderr]     Checking taskcluster-upload v43.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.18s
[INFO] running `Command { std: "docker" "inspect" "655b1ebee604d8c60a33120a0d324a2bfb330bb56d5a5b89acf142fc83dddce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655b1ebee604d8c60a33120a0d324a2bfb330bb56d5a5b89acf142fc83dddce7", kill_on_drop: false }`
[INFO] [stdout] 655b1ebee604d8c60a33120a0d324a2bfb330bb56d5a5b89acf142fc83dddce7