[INFO] fetching crate parametrizer 1.2.0...
[INFO] checking parametrizer-1.2.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate parametrizer 1.2.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate parametrizer 1.2.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parametrizer 1.2.0
[INFO] finished tweaking crates.io crate parametrizer 1.2.0
[INFO] tweaked toml for crates.io crate parametrizer 1.2.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca4cabd798169f67fdf3eb806837075cf70661121dff1ebe5c9563877022c9c
[INFO] running `Command { std: "docker" "start" "-a" "dca4cabd798169f67fdf3eb806837075cf70661121dff1ebe5c9563877022c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca4cabd798169f67fdf3eb806837075cf70661121dff1ebe5c9563877022c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca4cabd798169f67fdf3eb806837075cf70661121dff1ebe5c9563877022c9c", kill_on_drop: false }`
[INFO] [stdout] dca4cabd798169f67fdf3eb806837075cf70661121dff1ebe5c9563877022c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ce0873b7cb889f2c25b7f29bc922759cc23141f52743ccc4a33eb1b9fc4542c
[INFO] running `Command { std: "docker" "start" "-a" "8ce0873b7cb889f2c25b7f29bc922759cc23141f52743ccc4a33eb1b9fc4542c", 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] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking parametrizer v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.47s
[INFO] running `Command { std: "docker" "inspect" "8ce0873b7cb889f2c25b7f29bc922759cc23141f52743ccc4a33eb1b9fc4542c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce0873b7cb889f2c25b7f29bc922759cc23141f52743ccc4a33eb1b9fc4542c", kill_on_drop: false }`
[INFO] [stdout] 8ce0873b7cb889f2c25b7f29bc922759cc23141f52743ccc4a33eb1b9fc4542c