[INFO] fetching crate samotop-delivery 0.13.0...
[INFO] checking samotop-delivery-0.13.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate samotop-delivery 0.13.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate samotop-delivery 0.13.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate samotop-delivery 0.13.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate samotop-delivery 0.13.0
[INFO] tweaked toml for crates.io crate samotop-delivery 0.13.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate samotop-delivery 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65414f4c87590bea03db437d8b210ef41d08da47ac12e2bda5a675c856811eba
[INFO] running `Command { std: "docker" "start" "-a" "65414f4c87590bea03db437d8b210ef41d08da47ac12e2bda5a675c856811eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65414f4c87590bea03db437d8b210ef41d08da47ac12e2bda5a675c856811eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65414f4c87590bea03db437d8b210ef41d08da47ac12e2bda5a675c856811eba", kill_on_drop: false }`
[INFO] [stdout] 65414f4c87590bea03db437d8b210ef41d08da47ac12e2bda5a675c856811eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9626e18e9f4b95c54d8ff65b7baf2821381e5749ac55f3dc28e2c82675893a72
[INFO] running `Command { std: "docker" "start" "-a" "9626e18e9f4b95c54d8ff65b7baf2821381e5749ac55f3dc28e2c82675893a72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling radium v0.5.3
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[INFO] [stderr]     Checking pin-utils v0.1.0
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[INFO] [stderr]     Checking bytes v1.0.1
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[INFO] [stderr]    Compiling ctor v0.1.20
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[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking potential v2.2.1
[INFO] [stderr]     Checking samotop-core v0.13.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking async-io v1.6.0
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[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking lozizol v0.5.3-dev
[INFO] [stderr]     Checking samotop-delivery v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `max_size`
[INFO] [stdout]   --> src/journal/transport.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     max_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_size`
[INFO] [stdout]   --> src/journal/transport.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     max_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `criterion_main`
[INFO] [stdout]  --> benches/transport_smtp.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.81s
[INFO] running `Command { std: "docker" "inspect" "9626e18e9f4b95c54d8ff65b7baf2821381e5749ac55f3dc28e2c82675893a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9626e18e9f4b95c54d8ff65b7baf2821381e5749ac55f3dc28e2c82675893a72", kill_on_drop: false }`
[INFO] [stdout] 9626e18e9f4b95c54d8ff65b7baf2821381e5749ac55f3dc28e2c82675893a72