[INFO] fetching crate magnetic 2.5.1...
[INFO] building magnetic-2.5.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate magnetic 2.5.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate magnetic 2.5.1
[INFO] finished tweaking crates.io crate magnetic 2.5.1
[INFO] tweaked toml for crates.io crate magnetic 2.5.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate magnetic 2.5.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate magnetic 2.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f8adb8533d3ff2bb27d33cfe5ccedf4380d979aed64759fa6fcaaf1685af8e5
[INFO] running `Command { std: "docker" "start" "-a" "9f8adb8533d3ff2bb27d33cfe5ccedf4380d979aed64759fa6fcaaf1685af8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f8adb8533d3ff2bb27d33cfe5ccedf4380d979aed64759fa6fcaaf1685af8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8adb8533d3ff2bb27d33cfe5ccedf4380d979aed64759fa6fcaaf1685af8e5", kill_on_drop: false }`
[INFO] [stdout] 9f8adb8533d3ff2bb27d33cfe5ccedf4380d979aed64759fa6fcaaf1685af8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ec819c3bf7a55d589549db8c28b2161326dde7bcd6ff33b683d5c58d5fc99ea
[INFO] running `Command { std: "docker" "start" "-a" "6ec819c3bf7a55d589549db8c28b2161326dde7bcd6ff33b683d5c58d5fc99ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnetic v2.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6ec819c3bf7a55d589549db8c28b2161326dde7bcd6ff33b683d5c58d5fc99ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec819c3bf7a55d589549db8c28b2161326dde7bcd6ff33b683d5c58d5fc99ea", kill_on_drop: false }`
[INFO] [stdout] 6ec819c3bf7a55d589549db8c28b2161326dde7bcd6ff33b683d5c58d5fc99ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 535d18399300cbf583eac2d8602d3f44ee7e772f212695f15fb4c4fc29d7a5fd
[INFO] running `Command { std: "docker" "start" "-a" "535d18399300cbf583eac2d8602d3f44ee7e772f212695f15fb4c4fc29d7a5fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling magnetic v2.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.85s
[INFO] running `Command { std: "docker" "inspect" "535d18399300cbf583eac2d8602d3f44ee7e772f212695f15fb4c4fc29d7a5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535d18399300cbf583eac2d8602d3f44ee7e772f212695f15fb4c4fc29d7a5fd", kill_on_drop: false }`
[INFO] [stdout] 535d18399300cbf583eac2d8602d3f44ee7e772f212695f15fb4c4fc29d7a5fd