[INFO] updating cached repository Jess3Jane/mastodon_unarchiver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Jess3Jane/mastodon_unarchiver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Jess3Jane/mastodon_unarchiver" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Jess3Jane/mastodon_unarchiver"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Jess3Jane/mastodon_unarchiver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Jess3Jane/mastodon_unarchiver" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Jess3Jane/mastodon_unarchiver"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Jess3Jane/mastodon_unarchiver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71c428fae2b0e9f34c70320cb24ed8f1ecb9ca03
[INFO] sha for GitHub repo Jess3Jane/mastodon_unarchiver: 71c428fae2b0e9f34c70320cb24ed8f1ecb9ca03
[INFO] validating manifest of Jess3Jane/mastodon_unarchiver on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Jess3Jane/mastodon_unarchiver on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Jess3Jane/mastodon_unarchiver
[INFO] finished frobbing Jess3Jane/mastodon_unarchiver
[INFO] frobbed toml for Jess3Jane/mastodon_unarchiver written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Jess3Jane/mastodon_unarchiver/Cargo.toml
[INFO] started frobbing Jess3Jane/mastodon_unarchiver
[INFO] finished frobbing Jess3Jane/mastodon_unarchiver
[INFO] frobbed toml for Jess3Jane/mastodon_unarchiver written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Jess3Jane/mastodon_unarchiver/Cargo.toml
[INFO] crate Jess3Jane/mastodon_unarchiver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Jess3Jane/mastodon_unarchiver against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Jess3Jane/mastodon_unarchiver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d73954423a1bbef04522e1d2c38ff41a0dc9eb068bfbb5c22f4a3143264e831f
[INFO] running `"docker" "start" "-a" "d73954423a1bbef04522e1d2c38ff41a0dc9eb068bfbb5c22f4a3143264e831f"`
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]     Checking miniz_oxide v0.1.3
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.27
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking tar v0.4.16
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking unarchiver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut file = file.unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut ob: Outbox = serde_json::from_reader(file).unwrap();
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut file = file.unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut ob: Outbox = serde_json::from_reader(file).unwrap();
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.20s
[INFO] running `"docker" "inspect" "d73954423a1bbef04522e1d2c38ff41a0dc9eb068bfbb5c22f4a3143264e831f"`
[INFO] running `"docker" "rm" "-f" "d73954423a1bbef04522e1d2c38ff41a0dc9eb068bfbb5c22f4a3143264e831f"`
[INFO] [stdout] d73954423a1bbef04522e1d2c38ff41a0dc9eb068bfbb5c22f4a3143264e831f