[INFO] fetching crate jtm 0.1.3...
[INFO] checking jtm-0.1.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate jtm 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate jtm 0.1.3
[INFO] finished tweaking crates.io crate jtm 0.1.3
[INFO] tweaked toml for crates.io crate jtm 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jtm 0.1.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.22.1)
[INFO] [stderr]       Adding hmac v0.8.1 (available: v0.12.1)
[INFO] [stderr]       Adding num-bigint-dig v0.6.1 (available: v0.8.4)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f14eab2e4b2959717b3b4e68fea86b64e15e6fcd37d59885af1d84466f592e23
[INFO] running `Command { std: "docker" "start" "-a" "f14eab2e4b2959717b3b4e68fea86b64e15e6fcd37d59885af1d84466f592e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f14eab2e4b2959717b3b4e68fea86b64e15e6fcd37d59885af1d84466f592e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14eab2e4b2959717b3b4e68fea86b64e15e6fcd37d59885af1d84466f592e23", kill_on_drop: false }`
[INFO] [stdout] f14eab2e4b2959717b3b4e68fea86b64e15e6fcd37d59885af1d84466f592e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbeeba26a6ee86ac9bef653a6d815d1fec411b5b8e671d3e391c46552e9cd2f1
[INFO] running `Command { std: "docker" "start" "-a" "cbeeba26a6ee86ac9bef653a6d815d1fec411b5b8e671d3e391c46552e9cd2f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking jtm v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "cbeeba26a6ee86ac9bef653a6d815d1fec411b5b8e671d3e391c46552e9cd2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbeeba26a6ee86ac9bef653a6d815d1fec411b5b8e671d3e391c46552e9cd2f1", kill_on_drop: false }`
[INFO] [stdout] cbeeba26a6ee86ac9bef653a6d815d1fec411b5b8e671d3e391c46552e9cd2f1