[INFO] fetching crate serde-transcode 1.1.1...
[INFO] checking serde-transcode-1.1.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate serde-transcode 1.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate serde-transcode 1.1.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-transcode 1.1.1
[INFO] finished tweaking crates.io crate serde-transcode 1.1.1
[INFO] tweaked toml for crates.io crate serde-transcode 1.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19627dab74ac5547050ec408c933a57e30d2f8d6d780633c972391f16fe50708
[INFO] running `Command { std: "docker" "start" "-a" "19627dab74ac5547050ec408c933a57e30d2f8d6d780633c972391f16fe50708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19627dab74ac5547050ec408c933a57e30d2f8d6d780633c972391f16fe50708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19627dab74ac5547050ec408c933a57e30d2f8d6d780633c972391f16fe50708", kill_on_drop: false }`
[INFO] [stdout] 19627dab74ac5547050ec408c933a57e30d2f8d6d780633c972391f16fe50708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1637828c30e0457cfb8dbb565bba144362753004de1269b33ae1c0d886e4d036
[INFO] running `Command { std: "docker" "start" "-a" "1637828c30e0457cfb8dbb565bba144362753004de1269b33ae1c0d886e4d036", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde-transcode v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ser` is imported redundantly
[INFO] [stdout]  --> src/test.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{ser, de};
[INFO] [stdout]   |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `ser` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `de` is imported redundantly
[INFO] [stdout]  --> src/test.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{ser, de};
[INFO] [stdout]   |                  ^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `de` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]  --> src/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `fmt` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/test.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     Ok(Foo(try!(de::Deserialize::deserialize(d))))
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "1637828c30e0457cfb8dbb565bba144362753004de1269b33ae1c0d886e4d036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1637828c30e0457cfb8dbb565bba144362753004de1269b33ae1c0d886e4d036", kill_on_drop: false }`
[INFO] [stdout] 1637828c30e0457cfb8dbb565bba144362753004de1269b33ae1c0d886e4d036