[INFO] fetching crate double-ratchet-2 0.3.3...
[INFO] checking double-ratchet-2-0.3.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate double-ratchet-2 0.3.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate double-ratchet-2 0.3.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate double-ratchet-2 0.3.3
[INFO] finished tweaking crates.io crate double-ratchet-2 0.3.3
[INFO] tweaked toml for crates.io crate double-ratchet-2 0.3.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 polyval v0.5.2
[INFO] [stderr]   Downloaded elliptic-curve v0.10.4
[INFO] [stderr]   Downloaded aes-gcm-siv v0.10.2
[INFO] [stderr]   Downloaded ring-compat v0.3.1
[INFO] [stderr]   Downloaded p256 v0.9.0
[INFO] [stderr]   Downloaded hkdf v0.11.0
[INFO] [stderr]   Downloaded p384 v0.8.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2bb34e36cff6ce0797497f8d9ed67cae8ccb6f98b90da751aae489d135f5c3a
[INFO] running `Command { std: "docker" "start" "-a" "f2bb34e36cff6ce0797497f8d9ed67cae8ccb6f98b90da751aae489d135f5c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2bb34e36cff6ce0797497f8d9ed67cae8ccb6f98b90da751aae489d135f5c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2bb34e36cff6ce0797497f8d9ed67cae8ccb6f98b90da751aae489d135f5c3a", kill_on_drop: false }`
[INFO] [stdout] f2bb34e36cff6ce0797497f8d9ed67cae8ccb6f98b90da751aae489d135f5c3a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fe641d64e3e3b013c097107962b86ee46ca5d604deffff3166eabc2fe0b75a7
[INFO] running `Command { std: "docker" "start" "-a" "2fe641d64e3e3b013c097107962b86ee46ca5d604deffff3166eabc2fe0b75a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking const-oid v0.6.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking aead v0.4.2
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking der v0.4.1
[INFO] [stderr]     Checking pem-rfc7468 v0.2.0
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking aes v0.7.4
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking polyval v0.5.2
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking hkdf v0.11.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking spki v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking pkcs8 v0.7.5
[INFO] [stderr]     Checking crypto-bigint v0.2.2
[INFO] [stderr]     Checking aes-gcm-siv v0.10.2
[INFO] [stderr]     Checking elliptic-curve v0.10.4
[INFO] [stderr]     Checking ecdsa v0.12.4
[INFO] [stderr]     Checking p256 v0.9.0
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking double-ratchet-2 v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.34s
[INFO] running `Command { std: "docker" "inspect" "2fe641d64e3e3b013c097107962b86ee46ca5d604deffff3166eabc2fe0b75a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe641d64e3e3b013c097107962b86ee46ca5d604deffff3166eabc2fe0b75a7", kill_on_drop: false }`
[INFO] [stdout] 2fe641d64e3e3b013c097107962b86ee46ca5d604deffff3166eabc2fe0b75a7