[INFO] fetching crate rust-s3 0.18.9...
[INFO] checking rust-s3-0.18.9 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate rust-s3 0.18.9 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rust-s3 0.18.9 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-s3 0.18.9
[INFO] finished tweaking crates.io crate rust-s3 0.18.9
[INFO] tweaked toml for crates.io crate rust-s3 0.18.9 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rust-s3 0.18.9 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc1ed42a585d53d938e27873adf8ff3e0c7a0d7177986931a96aece4d2e56fc6
[INFO] running `"docker" "start" "-a" "fc1ed42a585d53d938e27873adf8ff3e0c7a0d7177986931a96aece4d2e56fc6"`
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking rust-s3 v0.18.9 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/credentials.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/request.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]  --> src/error.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::fmt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::S3Result`
[INFO] [stderr]   --> src/lib.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     use super::error::S3Result;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/error.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         macro_rules! from {
[INFO] [stderr] 33 | |             ($t: ty) => {
[INFO] [stderr] 34 | |                 impl std::convert::From<$t> for $i {
[INFO] [stderr] 35 | |                     fn from(e: $t) -> $i {
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             }
[INFO] [stderr] 40 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |       err!(S3Error);
[INFO] [stderr]    |       -------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/credentials.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/request.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]  --> src/error.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::fmt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/error.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         macro_rules! from {
[INFO] [stderr] 33 | |             ($t: ty) => {
[INFO] [stderr] 34 | |                 impl std::convert::From<$t> for $i {
[INFO] [stderr] 35 | |                     fn from(e: $t) -> $i {
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             }
[INFO] [stderr] 40 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |       err!(S3Error);
[INFO] [stderr]    |       -------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.72s
[INFO] running `"docker" "inspect" "fc1ed42a585d53d938e27873adf8ff3e0c7a0d7177986931a96aece4d2e56fc6"`
[INFO] running `"docker" "rm" "-f" "fc1ed42a585d53d938e27873adf8ff3e0c7a0d7177986931a96aece4d2e56fc6"`
[INFO] [stdout] fc1ed42a585d53d938e27873adf8ff3e0c7a0d7177986931a96aece4d2e56fc6