[INFO] fetching crate econtext 0.2.0...
[INFO] checking econtext-0.2.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate econtext 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate econtext 0.2.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate econtext 0.2.0
[INFO] finished tweaking crates.io crate econtext 0.2.0
[INFO] tweaked toml for crates.io crate econtext 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate econtext 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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 proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded criterion-plot v0.4.2
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded criterion v0.3.2
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5f998c11fb085e7046f04b22a080a505f4f3c8224210aad26ebb44b37032a30
[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" "f5f998c11fb085e7046f04b22a080a505f4f3c8224210aad26ebb44b37032a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f998c11fb085e7046f04b22a080a505f4f3c8224210aad26ebb44b37032a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f998c11fb085e7046f04b22a080a505f4f3c8224210aad26ebb44b37032a30", kill_on_drop: false }`
[INFO] [stdout] f5f998c11fb085e7046f04b22a080a505f4f3c8224210aad26ebb44b37032a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] b2aa916f19e8a52b50d0a415708b3d46a6fc1a397714dfd2fd71ba442a8783fc
[INFO] running `Command { std: "docker" "start" "-a" "b2aa916f19e8a52b50d0a415708b3d46a6fc1a397714dfd2fd71ba442a8783fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking oorandom v11.1.1
[INFO] [stderr]     Checking econtext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.11s
[INFO] running `Command { std: "docker" "inspect" "b2aa916f19e8a52b50d0a415708b3d46a6fc1a397714dfd2fd71ba442a8783fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2aa916f19e8a52b50d0a415708b3d46a6fc1a397714dfd2fd71ba442a8783fc", kill_on_drop: false }`
[INFO] [stdout] b2aa916f19e8a52b50d0a415708b3d46a6fc1a397714dfd2fd71ba442a8783fc