[INFO] fetching crate flexgen 0.4.5...
[INFO] testing flexgen-0.4.5 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate flexgen 0.4.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate flexgen 0.4.5
[INFO] finished tweaking crates.io crate flexgen 0.4.5
[INFO] tweaked toml for crates.io crate flexgen 0.4.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexgen 0.4.5 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flexgen 0.4.5 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb71c6907862bdd82d1ea43e3ff10bf98ef8566428b9cacd903db2395491920b
[INFO] running `Command { std: "docker" "start" "-a" "fb71c6907862bdd82d1ea43e3ff10bf98ef8566428b9cacd903db2395491920b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb71c6907862bdd82d1ea43e3ff10bf98ef8566428b9cacd903db2395491920b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb71c6907862bdd82d1ea43e3ff10bf98ef8566428b9cacd903db2395491920b", kill_on_drop: false }`
[INFO] [stdout] fb71c6907862bdd82d1ea43e3ff10bf98ef8566428b9cacd903db2395491920b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c7cd09dc2e691cc8723e38351b318595878564d95cd4440c2a339ffdcf0030
[INFO] running `Command { std: "docker" "start" "-a" "f5c7cd09dc2e691cc8723e38351b318595878564d95cd4440c2a339ffdcf0030", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling prettyplease v0.1.9
[INFO] [stderr]    Compiling use-builder v0.1.0
[INFO] [stderr]    Compiling rust-format v0.3.4
[INFO] [stderr]    Compiling flexstr v0.9.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling flexgen v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.25s
[INFO] running `Command { std: "docker" "inspect" "f5c7cd09dc2e691cc8723e38351b318595878564d95cd4440c2a339ffdcf0030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c7cd09dc2e691cc8723e38351b318595878564d95cd4440c2a339ffdcf0030", kill_on_drop: false }`
[INFO] [stdout] f5c7cd09dc2e691cc8723e38351b318595878564d95cd4440c2a339ffdcf0030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 501cb970758daae255c68fad32434f0a56c7763ee11bb3ec0214ad15b5019481
[INFO] running `Command { std: "docker" "start" "-a" "501cb970758daae255c68fad32434f0a56c7763ee11bb3ec0214ad15b5019481", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling quote-doctest v0.3.2
[INFO] [stderr]    Compiling pretty_assertions v1.2.1
[INFO] [stderr]    Compiling flexgen v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "501cb970758daae255c68fad32434f0a56c7763ee11bb3ec0214ad15b5019481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501cb970758daae255c68fad32434f0a56c7763ee11bb3ec0214ad15b5019481", kill_on_drop: false }`
[INFO] [stdout] 501cb970758daae255c68fad32434f0a56c7763ee11bb3ec0214ad15b5019481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e03eabf15281ab7210645bb80fd0184614114830285eed0f0173938df45988d
[INFO] running `Command { std: "docker" "start" "-a" "8e03eabf15281ab7210645bb80fd0184614114830285eed0f0173938df45988d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexgen-64971ace62ba611e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test var::tests::code_value_from_str ... ok
[INFO] [stdout] test config::tests::from_reader ... ok
[INFO] [stdout] test var::tests::code_token_value_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flexgen
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e03eabf15281ab7210645bb80fd0184614114830285eed0f0173938df45988d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e03eabf15281ab7210645bb80fd0184614114830285eed0f0173938df45988d", kill_on_drop: false }`
[INFO] [stdout] 8e03eabf15281ab7210645bb80fd0184614114830285eed0f0173938df45988d